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Dolomite.
ST69AF0: Dolomite
Druse of crystals with dominant rhombohedron faces. They are translucent and extraordinarily bright.
The sample is from the Francesco S. Stoppani collection (catalog number 0946), whose label we’ll send to the buyer. As is the case with so many specimens in this collection, the sample is of great quality for the locality.
Oberdorf an der Laming, Laming valley, Bruck an der Mur, Styria/Steiermark  Austria
Specimen size: 7 × 6.7 × 3.7 cm = 2.76” × 2.64” × 1.46”

Price: €440 / US$506 / ¥57630 / AUD$680
Dolomite.
TB90AL4: Dolomite
Curious botryoidal Dolomite, uncommon in this locality, with smooth and silk-shiny surfaces and a soft pink color. The specimen has been analyzed and we will send the buyer a copy of the analysis.
Tsumeb Mine, Tsumeb, Otjikoto Region  Namibia
Specimen size: 21.2 × 11.9 × 8 cm = 8.35” × 4.69” × 3.15”

Main crystal size: 2.7 × 1.8 cm = 1.06” × 0.71”

Price: €480 / US$552 / ¥62870 / AUD$740
Dolomite.
MR90AH7: Dolomite
Aerial group of sharp rhombohedral Dolomite crystals that are twinned and bright, between transparent and translucent, with phantom growths and fine alignments of black globular growths, probably Graphite, a Spanish classic.
Azcárate Quarry, Eugui, Esteríbar, Comarca Auñamendi, Navarre, Autonomous Community of Navarre  Spain
Specimen size: 8 × 7 × 5.5 cm = 3.15” × 2.76” × 2.17”

Price: €480 / US$552 / ¥62870 / AUD$740
Dolomite (twinned).
HM780EM: Dolomite (twinned)
Group of very sharp rhombohedral Dolomite crystals, transparent, with good luster, a slightly gray color and on matrix. An excellent Spanish classic.
Asturreta Quarry, 'el pozo', Eugui, Esteríbar, Comarca Auñamendi, Navarre, Autonomous Community of Navarre  Spain (±1970)
Specimen size: 14.5 × 11.8 × 6.8 cm = 5.71” × 4.65” × 2.68”

Main crystal size: 5.5 × 3 cm = 2.17” × 1.18”

Price: €780 / US$898 / ¥102160 / AUD$1210
Dolomite on Quartz and Chalcopyrite.
SD99AC3: Dolomite on Quartz and Chalcopyrite
Slightly deformed rhombohedral Dolomite crystals with a pale-brown to pinkish color, with small twinned Chalcopyrite crystals on their surfaces and on a base of Quartz crystals with a very poorly developed prism. It is an excellent German classic for the species and the locality. As is the case with so many specimens in this collection, the sample is of great quality for the locality.
Eupel Mine, Niederhövels, Wissen, Flammersfeld, Altenkirchen (Westerwald), Siegerland, Rhineland-Palatinate/Rheinland-Pfalz  Germany
Specimen size: 17.8 × 10.2 × 4.4 cm = 7.01” × 4.02” × 1.73”

Price: €430 / US$495 / ¥56320 / AUD$670
Dolomite with Calcite.
EE87AL4: Dolomite with Calcite
Floater group of white rhombohedral Dolomite crystals that form parallel polycrystalline aggregates and are partially coated with some Calcite crystals.
Stan Trg (Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District  Kosovo (2002)
Specimen size: 14.3 × 8.9 × 4.4 cm = 5.63” × 3.50” × 1.73”

Price: €240 / US$276 / ¥31430 / AUD$370
Dolomite with Calcite, Pyrite, Arsenopyrite and Quartz.
EJ89AG8: Dolomite with Calcite, Pyrite, Arsenopyrite and Quartz
The great mining region of Trepča is one of the largest polymetal deposits in the world and it has given for many years exceptional pieces of Sphalerite as well as varied combinations of sulfides and carbonates. This old piece, found before the mine went back to work in 2005, presents an architectural group of large rhombohedral Dolomite crystals partially coated by Calcite crystals and with a cluster of Pyrite crystals on one side of the piece. Small crystals of Arsenopyrite dot the large Dolomite crystals and also some small Quartz crystals complete the combo.
Stan Trg (Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District  Kosovo (1994-2002)
Specimen size: 18.5 × 11.5 × 7.7 cm = 7.28” × 4.53” × 3.03”

Price: €460 / US$529 / ¥60250 / AUD$710
Dolomite with Chalcopyrite and Quartz.
SC7AD6: Dolomite with Chalcopyrite and Quartz
Very sharp white rhombohedral Dolomite crystals implanted on a matrix of Quartz crystals with small twinned Chalcopyrite crystals on both the Quartz and the Dolomite. An excellent German classic.
Eupel Mine, Niederhövels, Wissen, Flammersfeld, Altenkirchen (Westerwald), Siegerland, Rhineland-Palatinate/Rheinland-Pfalz  Germany
Specimen size: 16.8 × 10.5 × 6.5 cm = 6.61” × 4.13” × 2.56”

Main crystal size: 1.1 × 1 cm = 0.43” × 0.39”

Price: €180 / US$207 / ¥23570 / AUD$280
Dolomite with Quartz.
HM110EV: Dolomite with Quartz
White rhombohedral Dolomite crystals on matrix, among which a clearly dominant group stands out in the upper part of the specimen. An Italian alpine classic.
Traversella Mine, Traversella, Chiusella Valley, Canavese District, Metropolitan City of Turin Province, Piedmont (Piemonte)  Italy
Specimen size: 12.2 × 7.3 × 3.3 cm = 4.80” × 2.87” × 1.30”

Price: €110 / US$126 / ¥14400 / AUD$170
Doubly terminatad Anatase with epitaxial Rutile .
EA97AN2: Doubly terminatad Anatase with epitaxial Rutile
Floater parallel growth of very acute dipyramidal Anatase crystals completely epitaxially covered by fibrous Rutile crystals, with a reddish yellow color.
Anatase-Rutile occurrence, Cuiabá District, Gouveia, Minas Gerais  Brazil (03/2003)
Specimen size: 3.2 × 1.6 × 1.1 cm = 1.26” × 0.63” × 0.43”

Main crystal size: 3.2 × 1 cm = 1.26” × 0.39”

Price: €280 / US$322 / ¥36670 / AUD$430
Doubly terminated Azurite with Malachite and Dolomite.
NJ89AM5: Doubly terminated Azurite with Malachite and Dolomite
Doubly terminated crystal of Azurite, very sharp and with well defined crystal forms. With coatings of Malachite, on a matrix with coatings of pinkish rhombohedral Dolomite crystals. The specimen, a Moroccan classic, comes from the collection of Ignacio Gaspar Sintes (number AZU-10), whose collection card we will send to the buyer.
Touissit, Touissit District, Jerada Province, Oriental Region  Morocco
Specimen size: 6 × 4.5 × 3 cm = 2.36” × 1.77” × 1.18”

Price: €480 / US$552 / ¥62870 / AUD$740
Doubly terminated Beryl (variety aquamarine).
6TC27K9: Doubly terminated Beryl (variety aquamarine)
Two doubly terminated crystals in parallel growth, light blue in color. Both retain their terminations, partially perforated by dissolution channels that pass through both crystals as far as their mid-sections.
Medina, Minas Gerais  Brazil
Specimen size: 8.4 × 1.8 × 1.1 cm = 3.31”

Price: €190 / US$218 / ¥24880 / AUD$290
Doubly terminated Beryl (variety emerald).
TR28AF6: Doubly terminated Beryl (variety emerald)
Doubly terminated floater crystal with very well defined faces and edges and excellent terminations, one of them simple and pinacoidal, the other showing an unusual polycrystalline growth with a deep structural incision that seems to break the crystal longitudinally into two symmetrical parts. The sample is transparent, bright and vividly colored.
Chivor mining district, Municipio Chivor, Eastern Emerald Belt, Boyacá Department  Colombia
Specimen size: 3.3 × 0.8 × 0.7 cm = 1.30” × 0.31” × 0.28”

Price: €2900 / US$3340 / ¥379840 / AUD$4520
Doubly terminated Calcite with inclusions.
8TF130Y4: Doubly terminated Calcite with inclusions
Doubly terminated crystal, on matrix, with very complex forms. It is bright and transparent and shows a phantom growth in its central zone.
Pune District (Poonah District), Maharashtra  India
Specimen size: 4.3 × 4.1 × 3.2 cm = 1.69”

Price: €130 / US$149 / ¥17020 / AUD$200
Doubly terminated Hübnerite with Quartz.
AG69P9: Doubly terminated Hübnerite with Quartz
Parallel polycrystalline growth of doubly terminated and very well defined crystals with intense red reflections, an excellent luster and it is enhanced by being with Quartz crystals.
The specimen is from the James Catmur collection. We will send both, the label from Catmur collection and the label from Silvane collection.
Huayllapon Mine (Huallapon Mine), Pasto Bueno District, Pallasca Province, Ancash Department  Peru (1996)
Specimen size: 8.7 × 5.4 × 4.2 cm = 3.43” × 2.13” × 1.65”

Price: €390 / US$449 / ¥51080 / AUD$600
Doubly terminated Malachite after Azurite.
TH16AI9: Doubly terminated Malachite after Azurite
This is a single, sharp, doubly terminated floater of Malachite pseudomorphous after Azurite, apparently simple, but the polycrystalline growths are full of interesting details.
Milpillas Mine, Cuitaca, Municipio Santa Cruz, Sonora  Mexico (2009)
Specimen size: 4.2 × 2.3 × 1.9 cm = 1.65” × 0.91” × 0.75”

Price: €110 / US$126 / ¥14400 / AUD$170
Doubly terminated Quartz (variety amethyst).
EV16H2: Doubly terminated Quartz (variety amethyst)
Doubly terminated floater. The color is deeper at the terminations, whose luster is also more intense than in the other faces. The crystal grew on other small crystals of Quartz (amethyst)
Don Nicolás Mine, Villa Rafael Benegas (Villa Benegas), Mina Clavero, San Alberto Department, Córdoba Province  Argentina (01-06/2002)
Specimen size: 5.2 × 3.3 × 2.8 cm = 2.05” × 1.30” × 1.10”

Price: €100 / US$115 / ¥13090 / AUD$150
Doubly terminated Quartz (variety amethyst) scepter.
EC96G1: Doubly terminated Quartz (variety amethyst) scepter
Parallel growth of two prismatic, doubly-terminated crystals. They are well developed, of an intense color and simple forms, growing as a scepter on a little matrix of white Quartz.
Don Nicolás Mine, Villa Rafael Benegas (Villa Benegas), Mina Clavero, San Alberto Department, Córdoba Province  Argentina (01-06/2002)
Specimen size: 6.8 × 4.1 × 3 cm = 2.68” × 1.61” × 1.18”

Main crystal size: 0.8 × 0.8 cm = 0.31” × 0.31”

Price: €160 / US$184 / ¥20950 / AUD$240
Doubly terminated Quartz (variety faden) with Chlorite.
ERM27AN5: Doubly terminated Quartz (variety faden) with Chlorite
Parallel growth of flattened Quartz crystals, all of them doubly terminated, traversed inside by a very distinct faden growth. They are shiny, transparent, colorless and rich in Chlorite (Group) inclusions.
Plan-du-Lac, Saint Christophe en Oisans, Le Bourg d'Oisans Comune, Isère, Auvergne-Rhône-Alpes  France (±1995)
Specimen size: 5.2 × 3.4 × 1 cm = 2.05” × 1.34” × 0.39”

Price: €220 / US$253 / ¥28810 / AUD$340
Doubly terminated Quartz with hydrocarbon inclusions and Baryte.
EP61AB8: Doubly terminated Quartz with hydrocarbon inclusions and Baryte
Aggregate of Quartz crystals, most of them doubly terminated, with a considerable length for the locality and very rich in fluid hydrocarbide inclusions, some of them mobile.
La Cabaña, Berbes mining area, Valdelmar, Berbes, Ribadesella, Comarca Oriente, Asturias, Principality of Asturias  Spain
Specimen size: 12.2 × 7.9 × 6.5 cm = 4.80” × 3.11” × 2.56”

Main crystal size: 8.1 × 7.1 cm = 3.19” × 2.80”

Price: €580 / US$668 / ¥75960 / AUD$900
Doubly terminated Quartz with inclusions and Baryte.
NE16M3: Doubly terminated Quartz with inclusions and Baryte
Complete Quartz crystal, with irregularly grown faces and dissolution forms (no fractures) on the back side. This crystal shows inclusions and small matrix fragments with laminar Baryte crystals on its surface.
Emilio Mine, "Zona Intermedia", Obdulia vein, Caravia mining area, La Rubiera, Loroñe, Colunga, Comarca de la Sidra, Asturias, Principality of Asturias  Spain (09-11/2004)
Specimen size: 8.8 × 5.1 × 4 cm = 3.46” × 2.01” × 1.57”

Price: €110 / US$126 / ¥14400 / AUD$170
Doubly terminated Topaz (repaired).
9JR16: Doubly terminated Topaz (repaired)
Topaz crystals, one of them clearly dominant, doubly terminated, of excellent luster and very transparent, with remnants of rhyolitic rock matrix. The smallest crystals are very rich in crystal faces as can be seen in the close-up photo. The piece is repaired on the left side of the main crystal, being a fracture perpendicular to the axis of the prism, but it does'nt affect to the beauty of the specimen as a whole. The sample is from the James Catmur collection (number B667) whose label we’ll send to the buyer.
Thomas Range, Juab County, Utah  USA (1999)
Specimen size: 4.7 × 3.5 × 1.5  cm = 1.85” × 1.38” × 0.59”

Main crystal size: 4.7 × 1.4 cm = 1.85” × 0.55”

Price: €140 / US$161 / ¥18330 / AUD$210
Dufrénite, Quartz, Albite.
11TRM14: Dufrénite, Quartz, Albite
Quartz crystal (smoky variety), doubly terminated and partially covered by a large group of snowy white Albite crystals. On top of the Albite sits a younger mass of very small dark Dufrenite crystals, which is normally a secondary mineral in iron deposits. Metasomatic fluid circulation and weathering processes gave rise to the formation of secondary phosphates, such as Dufrenite, in this lithium-rich pegmatite.
Galiléia, Vale do Rio Doce, Minas Gerais  Brazil
Specimen size: 6.8 × 5.9 × 3.8 cm = 2.68” × 2.32” × 1.50”

Price: €90 / US$103 / ¥11780 / AUD$140
Duftite with Calcite.
MJ47AH7: Duftite with Calcite
Botryoidal growths of micro-crystals of Duftite, some of them very well defined under a binocular microscope. They are clear green to slightly darker green and their luster varies from bright to dull, with transparent colorless crystals of Calcite, and they coat a limonite matrix. The samples have been analyzed, and we will send a copy of the analysis to the buyer.
Ojuela Mine, Mapimí, Municipio Mapimí, Durango  Mexico (2012)
Specimen size: 13.7 × 9.4 × 4.9 cm = 5.39” × 3.70” × 1.93”

Price: €240 / US$276 / ¥31430 / AUD$370
Duftite with Calcite.
MX9X2: Duftite with Calcite
Botryoidal growths of micro-crystals of Duftite, some of them very well defined under a binocular microscope. They are clear green to slightly darker green and their luster varies from bright to dull, with transparent and colorless crystals of Calcite, and they coat a limonite matrix. Due to the absence of previous data about notable samples of Duftite at the Ojuela mine, we consider this find as an interesting "novelty" for this mine. The samples have been analyzed, and we'll send a copy of the analysis to the buyer.
Ojuela Mine, Mapimí, Municipio Mapimí, Durango  Mexico (2012)
Specimen size: 3.5 × 2.9 × 2 cm = 1.38” × 1.14” × 0.79”

Price: €40 / US$46 / ¥5230 / AUD$60

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