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Mineral Specimens - page 18
The Silvane Collection

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Carles Curto Text: Carles Curto (curator of the Geology Museum, Barcelona ) & Jordi Fabre
Assistance from John S. White (former Smithsonian curator) John S. White

 


The Silvane Collection

In the world of collecting there is always a small group of prestigious collections that is not well known. This is the case with the Silvane collection, which was created over the last 25 years through the efforts of Josep Amigó (1924-2008).

Devoted to his family, he decided to name his collection the Silvane Collection, which is the result of his linking together the names of his two grand-daughters, Silvia and Ana Elena (whose nickname was Anelen).

Sr. Amigó, as we knew him to be, was above all else a collector and while over the years he had many collections, including trains, stamps, coins, etc, he always said that minerals were the most important, so in the end he only collected minerals. He always said that he could find new details, each unforgettable, every time he looked at a specimen, and that was something that did not occur in any of his other collections.

Years ago he built a collection of good quality minerals but then he got rid of them, as they did not fulfill his desire for systematic variety nor represent his good taste. Then, in the mid 70s and start of the 80s, large finds were made in the Kalahari, Touissit and India that produced an excellent chance to obtain new species. At the same time the views about mineral collections modernized from the point of view of their patrimony, preservation and the presentation of material. With all of this the mineral collecting bug within Sr. Amigó was reawakened. His meeting with Jordi during the Expominer Mineral Show of 1985 and the purchase of a blue Barite from the Moscona mine further animated him. From then on he was a faithful visitor to Jordi's stockroom every time that Jordi came back from a trip or show, which enabled him to pick the material he liked most. This chance to choose, along with the arrival of excellent material from Russia, Afghanistan, Pakistan and, more recently, China, just reinforced and confirmed his passion.

Given time, discretion and good taste, the Silvane collection grew until it contained more than 700 specimens, some of which are exceptional but all of which were selected with the best taste and clear criteria. Sr. Amigó never bragged about his great knowledge, but he always applied a clear principal in what he selected: apart from liking it and its aesthetics the specimen had to connect with him. So it was this mixture of intuition and good taste that came together to create this excellent collection, which is far better than the average Spanish collection.

I especially recall the meetings we used to have in Jordi's stockroom during which Sr. Amigó would tell us the 'whys', both for what he selected and what he rejected, all with his caustic but fine sense of humor. These meetings often ended in front of a table that was well laid out with great dishes and good wines. For him (and also for me) it was the corollary of a perfect mineral session. Along with these meetings I recall with great satisfaction the frequent visits to his house during which, apart from detailed discussions about minerals and mineralogy, we had the chance to touch on a wide range of both divine and human subjects.

So, a precious collection, all of a very high level, with no poor pieces or trash, in which Fluorite and Calcite are very well represented, since he liked them a lot, but which also includes extraordinary specimens of fairly rare material, as he knew when to listen (and weigh) advice. If someone recommended strongly a species that he did not know and he connected with it, then he would end up pleased. Classics from Tsumeb, Morocco, USA, etc, etc, and then modern classics from Russia, China and Pakistan-Afghanistan ennoble the collection, whose balance between esthetics and rareness is very satisfactory.

I am certain that this collection will more than match the wishes of many collectors who will have to (and need to) appreciate each and every one of the specimens within it.

Carles Curto Milà

 

 




Sr. Josep Amigó

Sr. Amigó in our warehouse, in August 2004,
having a good time looking for specimens
for his collection.

Sr. Josep Amigó

(...) but all of which were selected with
the best taste and clear criteria.

Proustite

Willemite   Sulfur   Ludlamite

 

 

Copper

 

Labels from the Silvane Collection

Silvane collection labelSilvane collection label

USA


Silver
Silver. Front
Front
Silver. Rear
Rear

AC16P4: Arborescent growth, very esthetic, of thin, elongated crystals with well defined faces and edges. We also note the locality, an American classic for Silver.
White Pine Mine, White Pine, Ontonagon County, Michigan  USA

Specimen size: 3.3 × 1.6 × 0.8 cm = 1.3” × 0.6” × 0.3”


Sold
Rutile with Pyrophyllite

AE48N4: Very sharp crystal, twinned, unusually acute for a sample from Graves Mountains. It is very bright and it is on matrix.
Graves Mountain, Lincoln County, Geogia  USA

Specimen size: 4.7 × 2.7 × 2.7 cm = 1.9” × 1.1” × 1.1”

Main crystal size: 2.2 × 1.8 cm = 0.9” × 0.7”


Rutile with Pyrophyllite. Front
Front
Rutile with Pyrophyllite. Rear
Rear
Rutile with Pyrophyllite. Top
Top
Order
Copper with Cuprite
Copper with Cuprite. Front
Front
Copper with Cuprite. Rear
Rear
Copper with Cuprite.

AV47N6: Dendritic growth of small but very sharp crystals of excellent luster and free of alteration. They are with a group of cuboctahedral crystals of red Cuprite.
Ray Mine, Ray district, Pinal County, Arizona  USA

Specimen size: 6.5 × 6.2 × 1.5 cm = 2.6” × 2.4” × 0.6”

Main crystal size: 0.8 × 0.4 cm = 0.3” × 0.2”


Sold
Malachite

AC27M8: Very well defined spherical growths of a very uniform green color that contrasts with the light colored matrix.
It comes from the Martin Zinn collection whose original label is lost.
Metcalf Pit, Morenci, Greenlee County, Arizona  USA

Specimen size: 3.9 × 3.7 × 1.5 cm = 1.5” × 1.5” × 0.6”


Malachite. Malachite.
Sold

MEXICO & CANADA


Mexico

Wulfenite with Calcite
Wulfenite with Calcite. Front
Front
Wulfenite with Calcite. Top
Top

AV14P1: Laminar crystals with very well defined faces and edges. Them are transparent, bright and with an excellent deep yellow color and very aerial on a Calcite matrix.
Los Lamentos, Chihuahua  Mexico

Specimen size: 2.5 × 2 × 1.5 cm = 1.0” × 0.8” × 0.6”

Main crystal size: 1.1 × 0.6 cm = 0.4” × 0.2”


Sold
Silver with Calcite

AJ26M9: Feathered growths of very elongated but well defined crystals on a matrix of white Calcite.
Batopilas, Distrito Andrιs del Rνo, Chihuahua  Mexico

Specimen size: 3.3 × 2.8 × 1.4 cm = 1.3” × 1.1” × 0.6”

Main crystal size: 1.5 × 0.1 cm = 0.6” × 0.0”

Calcite minor fluorescence long & short UV


Silver with Calcite.
Sold

Canada

Vesuvianite
Vesuvianite. Front
Front
Vesuvianite. Rear
Rear
Vesuvianite.

AB89N4: Group of crystals of very good color, very uniform, and excellent transparency. Furthermore, a lot of the crystals on the group are doubly terminated. A floater.
Jeffrey Quarry, Asbestos, Quιbec  Canada (1998)

Specimen size: 6.7 × 3 × 2 cm = 2.6” × 1.2” × 0.8”

Main crystal size: 2 × 0.6 cm = 0.8” × 0.2”


Order
Lazulite with Quartz and Siderite

AJ76N2: Group of twinned crystals of Lazulite of excellent color and luster, with small rhombohedral crystals of Siderite and on well-defined crystals of Quartz. A very elegant piece.
Crusscot Creek, Yukon Territory  Canada (1996)

Specimen size: 4.6 × 2.8 × 3.4 cm = 1.8” × 1.1” × 1.3”

Main crystal size: 1 × 0.7 cm = 0.4” × 0.3”


Lazulite with Quartz and Siderite. Front
Front
Lazulite with Quartz and Siderite. Top
Top
Sold
Analcime with Aegirine
Analcime with Aegirine. Front
Front
Analcime with Aegirine. Top
Top

AL46N4: Esthetic growth of clean and bright very well defined crystals, one of them clearly dominant. The black acicular crystals are Aegirine.
Poudrette Quarry, Mont Saint-Hilaire, Rouville County, Quιbec  Canada

Specimen size: 3.5 × 3.2 × 2.7 cm = 1.4” × 1.3” × 1.1”

Main crystal size: 2.3 × 2.3 cm = 0.9” × 0.9”


Sold

SPAIN


Twinned Dolomite

AV58M9: Double twin formed by three transparent rhombohedral crystals whose matrix is a first generation of smaller, white, translucent crystals of the same species.
Cantera Azkarate, Eugui, Navarra  Spain (1993)

Specimen size: 4.7 × 3.1 × 1.8 cm = 1.9” × 1.2” × 0.7”

Main crystal size: 1 × 1 cm = 0.4” × 0.4”


Twinned Dolomite.
Order
Sphalerite with Dolomite, Chalcopyrite and Pyrite
Sphalerite with Dolomite, Chalcopyrite and Pyrite.
Sphalerite with Dolomite, Chalcopyrite and Pyrite.

AE96M6: Complex Sphalerite crystals of good transparency and luster, and excellent color. They are on a matrix of Dolomite. Some of the crystals are partially covered by very small crystals of Chalcopyrite and Pyrite. A Spanish classic, very difficult to obtain actually.
Mina Troya, Mutiloa, Gipuzkoa  Spain

Specimen size: 6.2 × 4.2 × 2.7 cm = 2.4” × 1.7” × 1.1”

Main crystal size: 0.7 × 0.6 cm = 0.3” × 0.2”


Sold
Cinnabar with Calcite

NH47M8: Very well defined crystals of excellent luster and magnificent red color, that contrasts on a surface of white Calcite, on rocky matrix. The specimen is more aerial and esthetic than usual in the samples from this classic mine, closed some years ago.
Pozo de San Teodoro, Almadιn, Ciudad Real  Spain

Specimen size: 4.6 × 3.1 × 2.9 cm = 1.8” × 1.2” × 1.1”

Main crystal size: 0.4 × 0.2 cm = 0.2” × 0.1”


Cinnabar with Calcite.
Cinnabar with Calcite.
Sold

PORTUGAL


Arsenopyrite with Siderite
Arsenopyrite with Siderite. Front
Front
Arsenopyrite with Siderite. Top
Top

AC36P4: Group of prismatic, bright, and very well defined crystals that forms parallel growths partially coated by small rosettes of Siderite crystals.
Minas da Panasqueira, level 2, Beira Baixa  Portugal

Specimen size: 5 × 4.6 × 3.3 cm = 2.0” × 1.8” × 1.3”

Main crystal size: 3.4 × 2.4 cm = 1.3” × 0.9”


Sold
Ferberite with Apatite and Mica

AC6M9: Growth of doubly terminated crystals with excellent terminations, very bright and with two implanted doubly terminated crystals of Apatite-(CaF).
Minas da Panasqueira, Level 2, Beira Baixa  Portugal (1992)

Specimen size: 6.5 × 3 × 2.5 cm = 2.6” × 1.2” × 1.0”

Apatite very fluorescent long & short UV

Ferberite with Apatite and Mica. Front
Front
Ferberite with Apatite and Mica. Side
Side
Order
Siderite with Ferberite and Apatite-(CaF)
Siderite with Ferberite and Apatite-(CaF). Siderite with Ferberite and Apatite-(CaF).

AC26M9: Very aerial growth of lenticular crystals of creamy Siderite, with flattened crystals of Ferberite and small green crystals of Apatite-(CaF).
Minas da Panasqueira, Level 2, Beira Baixa  Portugal

Specimen size: 6.4 × 5.6 × 5 cm = 2.5” × 2.2” × 2.0”

Main crystal size: 3.8 × 2.5 cm = 1.5” × 1.0”

Apatite very fluorescent long & short UV

Sold
Cassiterite with Siderite and Quartz

AV63M9: Group of twinned crystals of Cassiterite, some of them partially doubly terminated and translucent, very bright, with lenticular crystals of Siderite and small crystals of Quartz and Muscovite.
Minas da Panasqueira, Level 2, Beira Baixa  Portugal (1993)

Specimen size: 3.8 × 2.7 × 2 cm = 1.5” × 1.1” × 0.8”

Main crystal size: 0.7 × 0.6 cm = 0.3” × 0.2”


Cassiterite with Siderite and Quartz.
Order
Apatite-(CaF) with Arsenopyrite and Schorl-Dravite
Apatite-(CaF) with Arsenopyrite and Schorl-Dravite.
Apatite-(CaF) with Arsenopyrite and Schorl-Dravite. Apatite-(CaF) with Arsenopyrite and Schorl-Dravite.

AE47N2: Short prismatic doubly terminated crystals of Apatite-(CaF), one of them clearly dominant. They are on matrix with Arsenopyrite, Muscovite and acicular crystals of Tourmaline (Schorl-Dravite).
The piece was originally from the James Catmur collection and his label will be sent to the buyer along with the Silvane collection label.
Minas da Panasqueira, Level 3, Beira Baixa  Portugal (±2002)

Specimen size: 4.7 × 4 × 2.5 cm = 1.9” × 1.6” × 1.0”

Main crystal size: 1.7 × 1.4 cm = 0.7” × 0.6”

Zoned fluorescence long & short UV


Sold
Apatite-(CaF) with Siderite and Pyrite

AP90M6: Floater group of tabular and translucent crystals, of an excellent luster and an esthetic pale green color.
The sample was previously in the Martin Zinn collection, whose label will be sent to the buyer.
Minas da Panasqueira, Beira Baixa  Portugal

Specimen size: 5.8 × 4.1 × 2.3 cm = 2.3” × 1.6” × 0.9”

Main crystal size: 2.4 × 1.6 cm = 0.9” × 0.6”

Minor fluorescence long & short UV


Apatite-(CaF) with Siderite and Pyrite. Front
Front
Apatite-(CaF) with Siderite and Pyrite. Rear
Rear
Sold

EUROPE (EXCL. SPAIN, PORTUGAL AND RUMANIA)


Pyromorphite
Pyromorphite.

AM64P4: An European classic for the species. The crystals, with slightly curved edges and on matrix, are doubly terminated and have the brown-salmon color, typical for the locality.
Rosenberg Mine, Braubach, Bad Ems District, Lahn valley, Rhineland-Palatinate  Germany

Specimen size: 2.8 × 1.9 × 1.9 cm = 1.1” × 0.7” × 0.7”

Main crystal size: 0.6 × 0.5 cm = 0.2” × 0.2”

Minor fluorescence long & short UV


Order
Proustite

AM89M4: A very fine and excellent esthetic miniature. Proustite crystals are sharply defined, with perfect terminations and superb color, transparency and brilliance. We would like to emphasize its luminous cherry red color.
Schneeberg, Erzgebirge, Saxony  Germany

Specimen size: 2 × 1.8 × 1.2 cm = 0.8” × 0.7” × 0.5”

Main crystal size: 1.3 × 0.5 cm = 0.5” × 0.2”


Proustite. Front
Front
Proustite. Rear
Rear
Sold
Manganite
Manganite. Front
Front
Manganite. Top
Top

AE98M6: Group of aerial and very well defined crystals with multiple terminations. They are very bright and on a Calcite matrix. A classic-classic.
Ilfeld, Harz Mountains, Thuringia  Germany

Specimen size: 4.8 × 4 × 3.9 cm = 1.9” × 1.6” × 1.5”

Main crystal size: 1.9 × 0.6 cm = 0.7” × 0.2”


Order
Manganite

AT92N2: Group of very bright, well defined crystals with bright perfect terminations. The sample is a good representative of one of the great classics of European mineralogy.
Ilfeld, Harz Mountains, Thuringia  Germany

Specimen size: 6.3 × 4.5 × 3.5 cm = 2.5” × 1.8” × 1.4”

Main crystal size: 1.7 × 0.9 cm = 0.7” × 0.4”


Manganite. Front
Front
Manganite. Top
Top
Order
Sulfur with Aragonite
Sulfur with Aragonite. Sulfur with Aragonite.

AM46M8: Sharp and well defined crystals, extraordinarily bright, with intergrowths of Aragonite and in matrix. From a locality classic for the species.
Machσw Mine, Tarnobzeg, Podkarpackie  Poland

Specimen size: 9.5 × 8 × 4.5 cm = 3.7” × 3.1” × 1.8”

Main crystal size: 0.4 × 0.4 cm = 0.2” × 0.2”

Aragonite very fluorescent long & short UV

Sold
Vesuvianite with Clinochlore

AK64M8: Group of very well defined small crystals with excellent terminations, extraordinarily bright and of reddish color, with Clinochlore and in matrix.
Bellecombe, St. Vincent, Val d'Aosta  Italy (12/1991)

Specimen size: 4.3 × 4.3 × 1.4 cm = 1.7” × 1.7” × 0.6”

Main crystal size: 0.4 × 0.2 cm = 0.2” × 0.1”


Vesuvianite with Clinochlore. Vesuvianite with Clinochlore.
Order
Vesuvianite
Vesuvianite. Vesuvianite.

AR36P1: Group of sharp very well defined crystals. They are transparent, bright and have an excellent color that resembles the good samples from Asbestos. We specially note the locality in which specimens of Vesuvianite of such quality are very infrequent.
Lajetto, Condove, Val di Susa, Piemonte  Italy

Specimen size: 5.8 × 5.9 × 2.6 cm = 2.3” × 2.3” × 1.0”

Main crystal size: 0.3 × 0.2 cm = 0.1” × 0.1”


Sold
Epidote with Grossular (Hessonite)

AK87N2: Parallel growth of very well defined crystals. They are transparent and have an excellent color. They are on matrix with small crystals of Grossular (Hessonite). From a not unknown but unusual locality.
Val di Viu, Valli di Lanzo, Torino, Piemonte  Italy

Specimen size: 11.3 × 8.7 × 4.9 cm = 4.4” × 3.4” × 1.9”

Main crystal size: 1.8 × 0.9 cm = 0.7” × 0.4”


Epidote with Grossular (Hessonite). Epidote with Grossular (Hessonite).
Order
Sulfur with Calcite
Sulfur with Calcite. Sulfur with Calcite.

AE16N2: Very well defined and aerial crystals partially coated by Calcite and on a matrix of the same Sulfur.
Agrigento, Sicilia  Italy

Specimen size: 4.7 × 5.1 × 3.7 cm = 1.9” × 2.0” × 1.5”

Main crystal size: 1.1 × 1.1 cm = 0.4” × 0.4”

Calcite fluorescent long & short UV


Sold
Sulfur with Calcite

AE17N2: Sub-parallel growth of very bright crystals with a lot of echeloned growths and other growth forms on the faces. The matrix is also native Sulfur of a very different color, clearly orange and it is partially coated by small crystals of Calcite.
Cozzodisi Mine, Casteltermini, Agrigento, Sicilia  Italy

Specimen size: 5.1 × 3.2 × 2.5 cm = 2.0” × 1.3” × 1.0”

Calcite minor fluorescence long & short UV


Sulfur with Calcite. Front
Front
Sulfur with Calcite. Rear
Rear
Order
Sulfur with Calcite
Sulfur with Calcite. Sulfur with Calcite.

AB67N2: Group of very bright crystals that have excellent color. They have echeloned growths and are partially coated by microcrystals of Calcite.
Racalmuto, Agrigento, Sicilia  Italy (±1963)

Specimen size: 10.3 × 8.6 × 4.1 cm = 4.1” × 3.4” × 1.6”

Calcite fluorescent long & short UV


Sold
Galena with Quartz

AR68N6: Group of cuboctahedral crystals with a very well defined spinel law twin and with small and thin crystals of frosted Quartz. The piece resembles those from Dalnjegorsk but it is from the famous Bulgarian mining area of Madan.
9 September Mines, Madan, Smolyan, Rhodope Mountains  Bulgaria

Specimen size: 10.2 × 7.3 × 4.8 cm = 4.0” × 2.9” × 1.9”

Main crystal size: 5.3 × 3.4 cm = 2.1” × 1.3”


Galena with Quartz. Front
Front
Galena with Quartz. Top
Top
Order
Calcite
Calcite. Calcite.

AF99N8: Group of acute scalenohedral crystals with reddish zoned inclusions of Hematite on the tips. An excellent sample from a classic locality.
Bigrigg Mine, Egremont, Cumbria, England  United Kingdom

Specimen size: 9 × 6.7 × 4.3 cm = 3.5” × 2.6” × 1.7”

Main crystal size: 3.2 × 1.7 cm = 1.3” × 0.7”


Sold
Strontianite with Calcite

AM67N2: From a very classic locality for the species. The crystals are very well defined and aerial, with color zoning, deeper on terminations, and on matrix.
The piece was originally from the Folch duplicates collection, whose autographed label will be sent to the buyer with the Silvane collection label.
Oberdorf an der Laming, Bruck an der Mur, Styria  Austria

Specimen size: 6 × 4 × 3 cm = 2.4” × 1.6” × 1.2”

Main crystal size: 1.3 × 0.7 cm = 0.5” × 0.3”

Minor fluorescence long & short UV


Strontianite with Calcite.
Strontianite with Calcite. Strontianite with Calcite.
Sold
Doubly terminated smoky Quartz
Doubly terminated smoky Quartz. Front
Front
Doubly terminated smoky Quartz. Top
Top

AK76N6: An excellent and interesting miniature. A group of doubly terminated crystals, very transparent, bright and slightly twisted (gwindel) and with parallel growths on terminal faces. A classic Swiss Quartz.
The sample is from the Folch duplicate collection and we'll send his autographed label to the buyer.
Val Giuf, Tavetsch, Grisons  Switzerland

Specimen size: 3.3 × 2.5 × 1.6 cm = 1.3” × 1.0” × 0.6”


Sold

FSU


Brookite with Calcite

AY98P4: Group of crystals, the main one doubly terminated, on matrix and with Calcite crystals. The specimen has the highest possible quality for the locality.
Dodo Mine, Tyumenskaya Oblast, Polar Urals  Russia (04/2000)

Specimen size: 3.8 × 3.4 × 1.5 cm = 1.5” × 1.3” × 0.6”

Main crystal size: 1.5 × 0.9 cm = 0.6” × 0.4”

Calcite minor fluorescence long & short UV


Brookite with Calcite. Brookite with Calcite.
Order
Magnetite with Calcite and Epidote
Magnetite with Calcite and Epidote.

AK60P4: Group of sharp dodecahedral crystals of Magnetite with very well defined faces and edges, partially overgrown by scalenohedral crystals of Calcite and small crystals of Epidote.
Dashkesan  Azerbaijan Republik

Specimen size: 5.3 × 4.5 × 2.4 cm = 2.1” × 1.8” × 0.9”

Main crystal size: 1.1 × 1.1 cm = 0.4” × 0.4”

Calcite minor fluorescence long & short UV


Sold
Copper with Cuprite

AK10N8: Dendritic growth with flattened crystals, one of them clearly dominant. They have well defined crystalline forms. The simplicity is very esthetic and representative.
Itauz Mine, Dzhezkazgan  Kazakhstan (2003)

Specimen size: 11.2 × 9.3 × 1.8 cm = 4.4” × 3.7” × 0.7”

Main crystal size: 3 × 0.7 cm = 1.2” × 0.3”


Copper with Cuprite. Front
Front
Copper with Cuprite. Rear
Rear
Copper with Cuprite.
Order
Copper with Cuprite
Copper with Cuprite. Copper with Cuprite.

AK62M9: Arborescent growth of elongated crystals, small but very well defined, whose matrix is a first generation of bigger crystals almost covered by Cuprite.
Itauz Mine, Dzhezkazgan  Kazakhstan

Specimen size: 5.2 × 4.1 × 3.5 cm = 2.0” × 1.6” × 1.4”


Order
Stellerite with Chabazite-Ca

AG86N2: Globular growths of deep orange color. They are on a matrix with small crystals of Chabazite-Ca. Relatively abundant in the past, it is now hard to obtain.
Rudny Altai, Kostanai Oblast  Kazakhstan (1997)

Specimen size: 8.2 × 4.8 × 2.4 cm = 3.2” × 1.9” × 0.9”


Stellerite with Chabazite-Ca.
Sold
Bertrandite with smoky Quartz and Muscovite
Bertrandite with smoky Quartz and Muscovite.
Bertrandite with smoky Quartz and Muscovite.

AA67M9: Very aerial fanlike groups of white acicular crystals, on a matrix of crystals of pale smoky Quartz. As with most of the Russian minerals, some years ago more or less abundant, nowadays it is very difficult to obtain good samples of these species.
Kara-Oba, Betpakdala, Karaganda Oblast  Kazakhstan

Specimen size: 6.8 × 4 × 2.8 cm = 2.7” × 1.6” × 1.1”

Main crystal size: 0.8 × 0.1 cm = 0.3” × 0.0”


Order
Calcite with Stilbite

AJ66N4: Crystals very rich in faces but with dominating forms of the prism and the terminal rhombohedron. They are absolutely clear and extraordinarily bright and are esthetically situated on a matrix of yellowish crystals of Stilbite.
Sokolovskiy Mine, Rudny Altai, Kostanai Oblast  Kazakhstan

Specimen size: 7.8 × 7.4 × 3.1 cm = 3.1” × 2.9” × 1.2”

Main crystal size: 2.4 × 1.6 cm = 0.9” × 0.6”

Minor fluorescence long & short UV


Calcite with Stilbite. Calcite with Stilbite.
Sold
Sulfur with Calcite
Sulfur with Calcite. Sulfur with Calcite.

AD28M4: Excellent group of Sulfur crystals with an intense color and extraordinary luster, on a rich Calcite matrix. We call attention to this uncommon locality, where a small number of specimens were collected for a short time.
Yavorovskoe, Lviv, Lviv Oblast  Ukraine

Specimen size: 9.7 × 7.3 × 6.3 cm = 3.8” × 2.9” × 2.5”

Main crystal size: 1.5 × 1.1 cm = 0.6” × 0.4”

Calcite fluorescent long & short UV


Sold
Perovskite with Clinochlore and Calcite

AF48M6: Pseudocubic crystal of very well defined faces and edges and with a quite significant ”hopper” growth, on a Chlorite matrix. The crystal is very prominent and very esthetic.
Zlatoust, Chelyabinsk Oblast  Russia

Specimen size: 2.9 × 2.4 × 2.2 cm = 1.1” × 0.9” × 0.9”

Main crystal size: 1.5 × 1.2 cm = 0.6” × 0.5”


Perovskite with Clinochlore and Calcite.
Order

MOROCCO


Vanadinite
Vanadinite.

AA61P4: Groups and isolated tabular crystals. They are very well defined and have extraordinary color and luster.
ACF shaft, Mibladen, Midelt  Morocco

Specimen size: 4.5 × 3.4 × 1.5 cm = 1.8” × 1.3” × 0.6”

Main crystal size: 1 × 0.9 cm = 0.4” × 0.4”


Sold
Azurite

AF77N6: Group of relatively small crystals on Limonite matrix. They are transparent, extraordinarily bright and have a very deep blue color. The sample is from a mine that we can now consider historic.
Puit IX, Touissit, Oujda  Morocco

Specimen size: 6.8 × 4.7 × 1.7 cm = 2.7” × 1.9” × 0.7”

Main crystal size: 0.7 × 0.2 cm = 0.3” × 0.1”


Azurite. Azurite.
Order
Azurite
Azurite. Front
Front
Azurite. Rear
Rear

AN26M8: Rosette growth floater of very well defined crystals and of an excellent blue color, clearer than usual for Azurite crystals of this size.
Oumjrane, Alnif  Morocco (2000)

Specimen size: 4 × 3.5 × 1.9 cm = 1.6” × 1.4” × 0.7”

Main crystal size: 0.9 × 0.8 cm = 0.4” × 0.3”


Sold
Roselite-beta with Roselite and Calcite

AY27M6: Groups of small lenticular, slightly orange colored, crystals of Roselite-beta, partially covering more isolated crystals of Roselite, with very well defined faces and edges. The sample is with an analysis of the Roselite-beta.
Filσn 7, Tazenakht Mine, Bou Azzer, Ouarzazate  Morocco (1960)

Specimen size: 2.8 × 2 × 1.7 cm = 1.1” × 0.8” × 0.7”

Main crystal size: 0.7 × 0.4 cm = 0.3” × 0.2”


Roselite-beta with Roselite and Calcite. Roselite-beta with Roselite and Calcite.
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AFRICA


Barite with Malachite
Barite with Malachite. Barite with Malachite.

AQ60P4: Very sharp tabular crystals of Barite, very complete, with very well defined faces and edges and implanted on a thin matrix of Malachite.
Shangulowe Mine, Shangulowe  Congo D.R.

Specimen size: 9.5 × 5 × 2 cm = 3.7” × 2.0” × 0.8”

Main crystal size: 1.1 × 0.7 cm = 0.4” × 0.3”


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Malachite with Chrysocolla

AP60P4: Globular aggregates of crystals of primary Malachite on Chrysocolla and on Limonite matrix.
Mashamba West Mine, Shaba  Congo D.R.

Specimen size: 7.8 × 5.3 × 4.8 cm = 3.1” × 2.1” × 1.9”


Malachite with Chrysocolla.
Order
Malachite
Malachite.
Malachite.

AP66M8: Geode of crystals. They are very sharp and well defined, bright and have an excellent, very deep, green color.
Mashamba West Mine, Shaba  Congo D.R.

Specimen size: 9.5 × 8.9 × 5.7 cm = 3.7” × 3.5” × 2.2”

Main crystal size: 0.5 × 0.3 cm = 0.2” × 0.1”


Order
Cobaltian Dolomite

AG16N2: Group of flattened rhombohedral crystals that are almost lenticular, of exceptionally intense color. On matrix.
Mashamba West Mine, Shaba  Congo D.R.

Specimen size: 7.6 × 3.8 × 2.9 cm = 3.0” × 1.5” × 1.1”

Main crystal size: 0.9 × 0.9 cm = 0.4” × 0.4”


Cobaltian Dolomite.
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Copper with Calcite
Copper with Calcite. Front
Front
Copper with Calcite. Side
Side

AM76M8: Arborescent growth with globular terminations, with two groups of crystals of white, very well defined Calcite. Very elegant.
Tsumeb Mine, Tsumeb  Namibia

Specimen size: 3.7 × 3.3 × 2.8 cm = 1.5” × 1.3” × 1.1”


Order
Malachite with Calcite

AA88M6: Very aerial group of crystals of Malachite. They are very well defined and have good size, considering the species. They are on a matrix of scalenohedral crystals of Calcite.
Tsumeb Mine, Tsumeb  Namibia

Specimen size: 5.5 × 3.3 × 3.3 cm = 2.2” × 1.3” × 1.3”

Main crystal size: 0.7 × 0.5 cm = 0.3” × 0.2”

Calcite fluorescent short UV


Malachite with Calcite. Malachite with Calcite.
Order
Mimetite with Galena
Mimetite with Galena. Front
Front
Mimetite with Galena. Top
Top

AZ96N2: Very acute dipyramidal crystals, some of them doubly terminated, very transparent, bright and of excellent yellow color. On a Galena matrix.
It was originally in the Folch duplicates collection, whose handwritten note will be sent to the buyer with the Silvane collection label.
Tsumeb Mine, Tsumeb  Namibia (±1979)

Specimen size: 3.4 × 3.2 × 2.8 cm = 1.3” × 1.3” × 1.1”

Main crystal size: 1 × 0.2 cm = 0.4” × 0.1”


Sold
Aegirine with Orthoclase

AL70N2: Group of crystals of very well defined faces and edges and very acute terminations. It is on a matrix of a small group of white crystals of Orthoclase.
Mount Malosa, Zomba  Malawi

Specimen size: 3.6 × 2.8 × 2.6 cm = 1.4” × 1.1” × 1.0”

Main crystal size: 3.3 × 0.4 cm = 1.3” × 0.2”


Aegirine with Orthoclase.
Order
Twinned Chrysoberyl
Twinned Chrysoberyl. Front
Front
Twinned Chrysoberyl. Rear
Rear

AE2M8: An excellent twin, complete and a floater, of a magnificent transparency, luster and intense and uniform yellow color. An extraordinary piece.
Lac Alaotra, Alaotra-Mangoro, Tamatave  Madagascar

Specimen size: 4.1 × 2.8 × 0.5 cm = 1.6” × 1.1” × 0.2”

Minor zoned fluorescence long & short UV

Sold

BRAZIL


Elbaite with Albite and Muscovite

AC86P1: Parallel growth of very well defined Elbaite crystals. They are bright, of excellent and very uniform deep green color and terminated by a smooth and also bright pinacoid. On Albite matrix, with Muscovite.
Barra de Salinas, Coronel Murta, Minas Gerais  Brazil (2006)

Specimen size: 5 × 3.4 × 3.6 cm = 2.0” × 1.3” × 1.4”

Main crystal size: 1.8 × 0.7 cm = 0.7” × 0.3”


Elbaite with Albite and Muscovite. Front
Front
Elbaite with Albite and Muscovite. Top
Top
Order
Elbaite (Rubellite) with doubly terminated Quartz
Elbaite (Rubellite) with doubly terminated Quartz. Elbaite (Rubellite) with doubly terminated Quartz.
Elbaite (Rubellite) with doubly terminated Quartz. Elbaite (Rubellite) with doubly terminated Quartz.

AH92P1: Very well defined Elbaite (Rubellite) crystal, not thick, with good uniform color, transparency and luster. The crystal grew implanted on a doubly terminated curious crystal of Quartz. The upper termination of the Elbaite crystal is recrystallized and the termination below is broken.
Virgem da Lapa, Minas Gerais  Brazil (2007)

Specimen size: 6.2 × 3.1 × 1.7 cm = 2.4” × 1.2” × 0.7”

Main crystal size: 4.5 × 1.1 cm = 1.8” × 0.4”


Order
Milarite with Cleavelandite

AH16N6: Complete doubly terminated crystal of this uncommon species. It is white, has very well defined faces and edges and has excellent pinacoidal terminations. It stands on a matrix of laminar crystals of Albite (variety Cleavelandite).
Jacupiranga, Minas Gerais  Brazil

Specimen size: 4.9 × 3.3 × 1.3 cm = 1.9” × 1.3” × 0.5”

Main crystal size: 0.8 × 0.4 cm = 0.3” × 0.2”

Cleavelandite fluorescent short UV & low fluorescence long UV

Milarite with Cleavelandite. Milarite with Cleavelandite.
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Hematite
Hematite. Front
Front
Hematite. Rear
Rear
Hematite. Top
Top

AH67N6: Floater group of very thin tabular crystals of Hematite. Extraordinarily bright, they are very rich in side faces, all them perfect.
Mina da Pombas, Serra das Eguas, Brumado, Bahia  Brazil

Specimen size: 4 × 3.6 × 1.1 cm = 1.6” × 1.4” × 0.4”


Order
Apatite-(CaF) with Orthoclase

AB40M6: Group of very well defined crystals, many of them doubly terminated. They have an extraordinary, very deep, violet color, and are very transparent. On an Orthoclase matrix.
Lavra da Pederneira, Minas Gerais  Brazil

Specimen size: 5.2 × 3 × 3.4 cm = 2.0” × 1.2” × 1.3”

Main crystal size: 0.7 × 0.6 cm = 0.3” × 0.2”

Minor fluorescence long & short UV


Apatite-(CaF) with Orthoclase.
Apatite-(CaF) with Orthoclase.
Sold
Herderite with Muscovite
Herderite with Muscovite. Front
Front
Herderite with Muscovite. Rear
Rear

NQ69M8: Doubly terminated crystals, one of them clearly dominant, with lateral parallel growths, good luster and yellow-brown color, on a matrix of laminar crystals of Muscovite.
Lavra do Afranio, Linσpolis, Minas Gerais  Brazil (2002)

Specimen size: 4.4 × 3.6 × 2.8 cm = 1.7” × 1.4” × 1.1”

Main crystal size: 3 × 2.3 cm = 1.2” × 0.9”


Order

SOUTH AMERICA (EXCL. BRAZIL)


Sphalerite with Pyrite and Quartz

AH12P4: Groups of complex and twinned crystals of Sphalerite (Spinel law twin) with fine triangular growth forms, bright, with very well defined faces and edges, with Pyrite and Quartz and on matrix.
Mina Huanzala, Huallanca, Dos de Mayo, Huαnuco  Peru

Specimen size: 8.7 × 7.3 × 5 cm = 3.4” × 2.9” × 2.0”

Main crystal size: 2 × 1.7 cm = 0.8” × 0.7”


Sphalerite with Pyrite and Quartz. Front
Front
Sphalerite with Pyrite and Quartz. Top
Top
Sold
Rhodonite with Sphalerite and Pyrite
Rhodonite with Sphalerite and Pyrite. Front
Front
Rhodonite with Sphalerite and Pyrite. Top
Top

AA46P1: Very aerial and esthetic group of sharp, flat prismatic and very well defined crystals. They have an excellent luster and an extraordinary color, surely the best among the Rhodonite samples from the locality.
Mina San Martνn, Chiuruco, Huallanca, Ancash  Peru (11/2006)

Specimen size: 4 × 3.2 × 3 cm = 1.6” × 1.3” × 1.2”

Main crystal size: 1 × 0.6 cm = 0.4” × 0.2”


Euro:1400 / US$1998 / Yen:186700
Reservado
Tetrahedrite with Chalcopyrite and Galena

AX27P1: Parallel growths of Tetrahedrite crystals of very well defined faces and edges, extraordinarily bright, with Chalcopyrite and small crystals of Galena with hollow growths. Very original.
Mina Mercedes, Huallanca, Dos de Mayo, Huαnuco  Peru

Specimen size: 6.8 × 4.5 × 2.8 cm = 2.7” × 1.8” × 1.1”

Main crystal size: 1.1 × 1 cm = 0.4” × 0.4”


Tetrahedrite with Chalcopyrite and Galena. Front
Front
Tetrahedrite with Chalcopyrite and Galena. Side
Side
Sold
Quartz (Amethyst) with Calcite
Quartz (Amethyst) with Calcite. Front
Front
Quartz (Amethyst) with Calcite. Rear
Rear

AR17N4: Growth of very bright and deep colored small crystals, with small white crystals of Calcite on their surface and on matrix.
Cantera La Bolsa, Paraje La Bolsa, Artigas  Uruguay (04/2006)

Specimen size: 7.8 × 6.3 × 7 cm = 3.1” × 2.5” × 2.8”

Main crystal size: 0.3 × 0.3 cm = 0.1” × 0.1”


Order
Pyrite with Siderite

AE36N4: Very aerial growth of octahedral crystal with diploid faces, unusual for Pyrite. The matrix of the piece is two lenticular crystals of Siderite.
Tres Cruces, Potosν  Bolivia (1999)

Specimen size: 5.3 × 2.6 × 3.1 cm = 2.1” × 1.0” × 1.2”

Main crystal size: 0.9 × 0.9 cm = 0.4” × 0.4”


Pyrite with Siderite.
Sold
Atacamite with Halloysite
Atacamite with Halloysite.
Atacamite with Halloysite.

AY58N2: Radial growths of acicular crystals of excellent color and luster, with bluish Halloysite and on matrix. Excellent esthetics.
Mina La Farola, Cerro Pintado, Tierra Amarilla, Copiapσ, Atacama  Chile

Specimen size: 10.2 × 9.3 × 3.7 cm = 4.0” × 3.7” × 1.5”

Main crystal size: 2.7 × 2 cm = 1.1” × 0.8”


Euro:290 / US$397 / Yen:35520
Reservado

CHINA


Scheelite with Muscovite

AC99N6: Dipyramidal crystals of Scheelite with very well defined faces and sharp edges, excellent luster and a very uniform deep orange color. They are on Quartz matrix, with Muscovite.
Shaobaodin Mountains, Pingwu, Sichuan  China

Specimen size: 5 × 5 × 3.5 cm = 2.0” × 2.0” × 1.4”

Main crystal size: 2.3 × 1.8 cm = 0.9” × 0.7”

Intense fluorescence short UV & fluorescent long UV


Scheelite with Muscovite. Front
Front
Scheelite with Muscovite. Top
Top
Order
Cassiterite with Beryl
Cassiterite with Beryl.

AA90N4: Group of black twinned crystals of excellent luster and very well defined forms. They are with small tabular crystals of Beryl.
Shaobaodin Mountains, Pingwu, Sichuan  China

Specimen size: 5.9 × 4.9 × 2.3 cm = 2.3” × 1.9” × 0.9”

Main crystal size: 1.9 × 1.1 cm = 0.7” × 0.4”


Order
Cassiterite with Quartz

AM47N2: Group of crystals with a very well defined twinning. They are bright and extraordinarily transparent, aerial and well isolated on the matrix, just like small jewels.
Amo, Ximeng, Yunnan  China

Specimen size: 5.3 × 4.4 × 4 cm = 2.1” × 1.7” × 1.6”

Main crystal size: 1.1 × 0.9 cm = 0.4” × 0.4”


Cassiterite with Quartz.
Cassiterite with Quartz.
Sold
Sphalerite with Calcite
Sphalerite with Calcite.
Sphalerite with Calcite. Sphalerite with Calcite.

AA88N2: “Nest” of crystals of very well defined faces, with an excellent transparency and luster and a very deep red color. The group of Sphalerite crystals is completely surrounded by very flat rhombohedral crystals of Calcite.
Kangjianwan Mine, Shuikoushan, Changning, Hengyang, Hunan  China

Specimen size: 11 × 8.9 × 8 cm = 4.3” × 3.5” × 3.1”

Main crystal size: 1.5 × 1.4 cm = 0.6” × 0.6”

Calcite fluorescent long & short UV


Order
Topaz with Quartz and Mica

AT2N2: Very well defined, transparent, bright and nice colored crystal of Topaz. It is on Quartz crystals, some of them doubly terminated, and Mica.
Gaoligong Mountains, Nujiang, Yunnan  China (2006)

Specimen size: 9.3 × 8.3 × 4.4 cm = 3.7” × 3.3” × 1.7”

Main crystal size: 2.8 × 2.7 cm = 1.1” × 1.1”

Minor fluorescence short UV


Topaz with Quartz and Mica. Front
Front
Topaz with Quartz and Mica. Side
Side
Topaz with Quartz and Mica.
Sold
Bournonite with Fluorite, Muscovite and Jamesonite
Bournonite with Fluorite, Muscovite and Jamesonite. Front
Front
Bournonite with Fluorite, Muscovite and Jamesonite. Rear
Rear
Bournonite with Fluorite, Muscovite and Jamesonite. Top
Top

AV94N2: Parallel groups of twinned crystals of Bournonite. They are doubly terminated and very bright, with small crystals of Jamesonite and a cubic crystal of Fluorite partially coated by globular growths of Muscovite. The sample is a floater and it is complete and damage free.
It was originally from the Jan Buma collection, whose label will be sent to the buyer with the Silvane collection label.
Yaogangxian Mine, Yizhang, Chenzhou, Hunan  China (±2004)

Specimen size: 6 × 2.7 × 2.6 cm = 2.4” × 1.1” × 1.0”

Main crystal size: 2.9 × 2.3 cm = 1.1” × 0.9”


Sold

ASIA


Fluorite with Quartz and Opal

AD37P4: Globular growth of Fluorite partially covered by white Opal and on matrix of crystallized Quartz.
Mahodari, Nasik, Maharashtra  India (2003)

Specimen size: 9.2 × 3.5 × 2.2 cm = 3.6” × 1.4” × 0.9”

Main crystal size: 2.7 × 2.7 cm = 1.1” × 1.1”

Opal Fluorescent long & short UV


Fluorite with Quartz and Opal.
Sold
Apophyllite-(KF) with Quartz
Apophyllite-(KF) with Quartz.

AK86P4: The crystals are formed by a sharp prism and a very acute dipyramid and are very transparent and bright. They also present a neat geometrical zoning of greenish yellow color on the area of the prism. On Quartz matrix, the two main crystals are doubly terminated.
Jalgaon, Maharashtra  India (04/1994)

Specimen size: 8.6 × 6.2 × 4.3 cm = 3.4” × 2.4” × 1.7”

Main crystal size: 4 × 1.1 cm = 1.6” × 0.4”


Order
Heulandite

AT63N6: Bow-tie growths of very bright and very well defined white crystals that contrast with the dark basaltic matrix.
The piece is from the Jan Buma collection and we'll send his label to the buyer.
Jalgaon, Maharashtra  India (2003)

Specimen size: 6.2 × 6 × 4.3 cm = 2.4” × 2.4” × 1.7”

Minor fluorescence long & short UV

Former Jan Buma collection. Number 030101

Heulandite. Front
Front
Heulandite. Top
Top
Order
Powellite with Scolecite and Apophyllite-(KF)
Powellite with Scolecite and Apophyllite-(KF). Powellite with Scolecite and Apophyllite-(KF).

AN91N2: Dipyramidal crystal of Powellite. It has a considerable size and it is very bright and partially coated by bundles of acicular crystals of Scolecite and with Apophyllite-(FK) crystals, on matrix.
Jalgaon, Maharashtra  India (1997)

Specimen size: 8.9 × 6.7 × 4.9 cm = 3.5” × 2.6” × 1.9”

Main crystal size: 2.1 × 2 cm = 0.8” × 0.8”

Very fluorescent long & short UV


Sold
Quartz with Chlorite

AZ66N2: Group of Quartz crystals, some of them doubly terminated, unusually acute and with abundant inclusions of Chlorite. The group offers a very special architecture.
Ganesh Himal, Dhading, Bagmati  Nepal (2006)

Specimen size: 10.2 × 5.5 × 5 cm = 4.0” × 2.2” × 2.0”

Main crystal size: 9.5 × 0.7 cm = 3.7” × 0.3”


Quartz with Chlorite. Front
Front
Quartz with Chlorite. Side
Side
Sold
Brookite with Quartz
Brookite with Quartz. Brookite with Quartz.

AE30N6: Parallel growths of bright translucent crystals perfectly defined and free of damage. The matrix is a group of doubly terminated Quartz crystals.
Kharan Mountains, Baluchistan  Pakistan (2005)

Specimen size: 5.3 × 2.9 × 1.8 cm = 2.1” × 1.1” × 0.7”

Main crystal size: 1.5 × 0.8 cm = 0.6” × 0.3”


Sold
Twinned Spinel with Calcite

AC48N8: Very transparent and bright isolated crystal on Calcite matrix. It has an extraordinary red color and a very obvious twin, typical for the species.
Pein Pyit, Mogok, Mandalay  Myanmar (2003)

Specimen size: 3.5 × 2.9 × 2.2 cm = 1.4” × 1.1” × 0.9”

Main crystal size: 0.8 × 0.6 cm = 0.3” × 0.2”

Fluorescent long & short UV


Twinned Spinel with Calcite. Twinned Spinel with Calcite.
Sold


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