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MJK97AP3: Dioptase with Plancheite and Quartz

Dioptase crystals, isolated or in small groups, more elongated than usual in the species and many of them doubly terminated, extraordinarily lustrous and on matrix. On Quartz and associated with Plancheite. The specimen comes from a very little known locality. The Plancheite has been analyzed and we will send a copy of the analysis to the buyer.
Ngouedi mission village, Loutete, Mouyondzi District, Bouenza Department Republic of the Congo (2022)
Specimen size: 21 × 10.2 × 5.2 cm = 8.27” × 4.02” × 2.05”
Price: €3300 / US$3525 / ¥533840 / AUD$5540

MFB86AP3: Dioptase with Quartz and Cerussite

Dioptase crystals, in groups and isolated, some of them doubly terminated, very lustrous and in matrix, on slightly smoky Quartz crystals and partially covered by brown Cerussite crystals, distinctive of the locality.
M'Fouati, M'Fouati District, Bouenza Department Republic of the Congo (2022)
Specimen size: 7.4 × 5.2 × 4.8 cm = 2.91” × 2.05” × 1.89”

Main crystal size: 1.1 × 0.5 cm = 0.43” × 0.20”
Price: €2200 / US$2350 / ¥355890 / AUD$3690

TPA99AP2: Dioptase with Wulfenite coated by Pyromorphite

Druse of very lustrous equant crystals of Dioptase, with a very vivid color and with lamellar crystals of Wulfenite with coatings of Pyromorphite microcrystals. The Pyromorphite has been analyzed and the results were a surprise because until now these coatings had been called Cerussite! We will send a copy of the analysis to the buyer.
M'Fouati, M'Fouati District, Bouenza Department Republic of the Congo
Specimen size: 6 × 4.6 × 4.4 cm = 2.36” × 1.81” × 1.73”
Price: €480 / US$512 / ¥77640 / AUD$800

TC230AD: Dissakisite-(Ce)/Allanite-(Ce) with Dolomite

Group of doubly terminated crystals of the isomorphous series Dissakisite-(Ce)/Allanite-(Ce). The majority of Trimouns specimens present color zoning that seems to indicate the presence of both species in the same crystal, the darkest areas corresponding to Allanite-(Ce), as they are richer in iron, and the dominant lighter areas to Dissakisite-(Ce). On matrix, with white rhombohedral Dolomite crystals.
Trimouns Mine, Luzenac, Haute-Ariège, Foix, Ariège Department, Occitanie France
Specimen size: 6 × 3.8 × 3.6 cm = 2.36” × 1.50” × 1.42”

Main crystal size: 1.1 × 0.1 cm = 0.43” × 0.04”
Price: €230 / US$245 / ¥37200 / AUD$380

TC280AE: Dissakisite-(Ce)/Allanite-(Ce) with Dolomite

Doubly terminated crystal of the isomorphous series Dissakisite-(Ce)/Allanite-(Ce). The majority of Trimouns specimens present color zoning that seems to indicate the presence of both species in the same crystal, the darkest areas corresponding to Allanite-(Ce), as they are richer in iron, and the dominant lighter areas to Dissakisite-(Ce). On matrix, with white rhombohedral Dolomite crystals.
Trimouns Mine, Luzenac, Haute-Ariège, Foix, Ariège Department, Occitanie France
Specimen size: 4.4 × 3.8 × 2.3 cm = 1.73” × 1.50” × 0.91”
Price: €280 / US$299 / ¥45290 / AUD$470

TV99AE8: Djurleite-Chalcocite intergrowth

A novelty at Tucson 2017. Aggregate on matrix of bright laminar crystals with pseudohexagonal contour. The analysis indicates an intimate intergrowth of Djurleite and Chalcocite. We’ll send a copy of the analysis to the buyer.
This specimen was published on the Mineralogical Record´s web page, in the ‘What's New’ section, report 46, April 14, 2017 edition.
Aït Ahmane (auxiliary shaft), Agdz, Bou Azzer mining district, Zagora Province, Drâa-Tafilalet Region Morocco (11/2014-05/2015)
Specimen size: 5.7 × 4 × 2.4 cm = 2.24” × 1.57” × 0.94”

Main crystal size: 2.4 × 1.2 cm = 0.94” × 0.47”
Price: €540 / US$576 / ¥87350 / AUD$900

TV86AF7: Djurleite-Chalcocite intergrowth

A novelty at Tucson 2017. A cluster, on matrix, of very sharp and flattened crystals with a pseudohexagonal contour. These samples were mined carefully over seven months in the Aït Ahmane area (it seems that not in the same shafts that produced the famous Gersdorffites) and, due the sharpness of the crystals and their size, this find will highlight between the world's best for the species. We’ll send to the buyer a copy of the analysis that indicates an intimate intergrowth of Djurleite and Chalcocite.
This sample has been referenced and figurate, as a novelty in Ste. Marie 2017, in the magazine "Le Règne Minéral" (Num. 136. 2017; page 47)
Aït Ahmane (auxiliary shaft), Agdz, Bou Azzer mining district, Zagora Province, Drâa-Tafilalet Region Morocco (11/2014-05/2015)
Specimen size: 5.7 × 4 × 1.9 cm = 2.24” × 1.57” × 0.75”
Price: €1800 / US$1922 / ¥291180 / AUD$3020

TC160TG: Djurleite-Chalcocite intergrowth on Calcite

Aggregate, on matrix, of very sharp crystals between lamellar and tabular, with bright luster and a sharp hexagonal outline. The analysis, of which we will send a copy to the buyer, indicates an intimate intergrowth of Djurleite and Chalcocite.
Aït Ahmane (auxiliary shaft), Agdz, Bou Azzer mining district, Zagora Province, Drâa-Tafilalet Region Morocco (11/2014-05/2015)
Specimen size: 5 × 4.4 × 3.9 cm = 1.97” × 1.73” × 1.54”

Main crystal size: 1.1 × 1 cm = 0.43” × 0.39”
Price: €160 / US$170 / ¥25880 / AUD$260

TH16AK1: Djurleite-Chalcocite intergrowth with Calcite

Surprising is the morphological perfection of the laminar crystals, on matrix, very sharp, bright and with a very well defined hexagonal contour. The analysis, which we will send a copy of to the buyer, indicates an intimate growth of Djurleite and Chalcocite with Djurleite dominant.
Aït Ahmane (auxiliary shaft), Agdz, Bou Azzer mining district, Zagora Province, Drâa-Tafilalet Region Morocco (11/2014-05/2015)
Specimen size: 3 × 2.9 × 0.7 cm = 1.18” × 1.14” × 0.28”
Price: €110 / US$117 / ¥17790 / AUD$180

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”

Main crystal size: 1.8 × 1.5 cm = 0.71” × 0.59”
Price: €440 / US$470 / ¥71170 / AUD$730

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, Chartered Community of Navarre (Navarre) Spain
Specimen size: 8 × 7 × 5.5 cm = 3.15” × 2.76” × 2.17”
Price: €480 / US$512 / ¥77640 / AUD$800

SV490MRX: Dolomite

Group of very sharp Dolomite crystals, two of them clearly dominant, rhombohedral and with very marked, transparent and lustrous penetration twins. With internal growth figures and external sprinklings of very tiny Chalcopyrite crystals.
Azcárate Quarry, Eugui, Esteríbar, Comarca Auñamendi, Chartered Community of Navarre (Navarre) Spain (1998)
Specimen size: 10.4 × 9.7 × 9 cm = 4.09” × 3.82” × 3.54”

Main crystal size: 7.5 × 5.4 cm = 2.95” × 2.13”
Price: €490 / US$523 / ¥79260 / AUD$820

SV480EFX: Dolomite (twinned)

Group of very sharp Dolomite crystals, two of them clearly dominant, rhombohedral, with very marked penetration twins, between transparent and translucent, in rock matrix. Worthy of note is a great dark phantom in the main crystal, quite uncommon in such a size in specimens from this locality. A classic for Spanish mineralogy and especially for this species.
Azcárate Quarry, Eugui, Esteríbar, Comarca Auñamendi, Chartered Community of Navarre (Navarre) Spain
Specimen size: 12.5 × 11.8 × 10.2 cm = 4.92” × 4.65” × 4.02”
Price: €480 / US$512 / ¥77640 / AUD$800

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, Chartered Community of Navarre (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$833 / ¥126180 / AUD$1310

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$256 / ¥38820 / AUD$400

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”

Main crystal size: 4 × 3.3 cm = 1.57” × 1.30”
Price: €460 / US$491 / ¥74410 / AUD$770

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”
Price: €180 / US$192 / ¥29110 / AUD$300

JEM96AP8: Dolomite with Magnesite

Rhombohedral Dolomite crystals, transparent, very lustrous, colorless and on matrix, with lenticular Magnesite crystals. This specimen has a very different crystallography than usual, and comes from the collection of Andrés Jiménez Shelly and was previously in the Folch collection (duplicates) whose handwritten label we will attach.
Asturreta Quarry, Eugui, Esteríbar, Comarca Auñamendi, Chartered Community of Navarre (Navarre) Spain (±1970)
Specimen size: 6.3 × 4.9 × 3.3 cm = 2.48” × 1.93” × 1.30”

Main crystal size: 2.8 × 2.4 cm = 1.10” × 0.94”
Price: €240 / US$256 / ¥38820 / AUD$400

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$117 / ¥17790 / AUD$180

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$512 / ¥77640 / AUD$800

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$202 / ¥30730 / AUD$310

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$3098 / ¥469130 / AUD$4870

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$138 / ¥21030 / AUD$210

23NNB87: Doubly terminated Epidote

Floater group of equant crystals of deep pistachio-green Epidote with an unusual pseudo-octahedral habit, and truncated on the faces of the smoother and shinier pinacoid. The specimen comes from the collection of Miguel David Martínez (number 1048) whose label we will send to the buyer.
Maldin Koh, Maldin, Ras Koh Mountains, Kharan District, Balochistan (Baluchistan) Pakistan (2011)
Specimen size: 7.6 × 7.5 × 5.5 cm = 2.99” × 2.95” × 2.17”

Main crystal size: 6.2 × 5.6 cm = 2.44” × 2.20”
Price: €260 / US$277 / ¥42060 / AUD$430

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$117 / ¥17790 / AUD$180

We work with the IMA approved names for minerals. If you are not sure of the IMA name for the mineral you are looking for you can select it from the following list


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