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The Core of Expominer Virtual

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Welcome to the first Expominer Virtual Show

Linarite with Quartz


Radial aggregates of acicular Linarite crystals, translucent, with great luster and a very vivid color, on a Quartz-coated matrix. The specimen is from the Lee Hogg collection.

Grand Reef Mine, Laurel Canyon, Grand Reef Mountain, Klondyke, Aravaipa District, Graham County, Arizona USA

Specimen size: 3.1 x 2.9 x 1.3 cm

Former collection of Lee Hogg

€80 / US$97 / JPY10220 / AUD$120


Chalcopyrite with Sphalerite


Aggregate of twinned Chalcopyrite crystals showing very sharp skeletal growths with Sphalerite crystals. The specimen comes from the Pedro Goy collection.

French Creek Mines, St. Peters, Warwick Township, Chester County, Pennsylvania USA

Specimen size: 8.1 x 5.6 x 3.1 cm

Main crystal size: 2 x 1.3 cm

Former collection of Pedro Goy

€560 / US$679 / JPY71570 / AUD$860


Quartz (variety smoky)
Quartz (variety smoky)
Quartz (variety smoky)


Aggregate of crystals with window growths on some of their faces and an intense glassy luster. The specimens from the Grant quarry, apart from their scarcity, are especially prized by advanced collectors for their quality and for their distinct internal growth and dissolution forms.

Grant Quarry, Greely, Gloucester Township, Carleton County, Ontario Canada (06/2004)

Specimen size: 5.2 x 3.8 x 2.8 cm

Main crystal size: 4.2 x 3.8 cm

€310 / US$376 / JPY39620 / AUD$470




Aggregate of elongated Pyromorphite crystals with deep hopper terminations and very marked parallel growths, with good luster and a slightly greenish brown color, which makes the pieces from this pocket unmistakable. They have become a Spanish classic. The specimen comes from a pocket in an old lead mining area, already exploited in Roman times, and known for previous Pyromorphite finds.

Resuperferolítica Claim, Cerro de la Canaleja, Santa Eufemia, Comarca Los Pedroches, Córdoba, Andalusia Spain (04/1995)

Specimen size: 2.9 x 1.8 x 1.3 cm

Main crystal size: 1 x 0.8 cm

€65 / US$78 / JPY8300 / AUD$100




Spheroidal growths of small Smithsonite crystals with distinct forms, translucent, lustrous, yellowish in color, on matrix. Excellent quality for a Spanish Smithsonite.

Hermosa Mine (Sel de Haya Mine), Sel del Haya, Cobijón, Udías, Comarca Costa occidental, Cantabria Spain (2006)

Specimen size: 4.8 x 4 x 2.6 cm

€45 / US$54 / JPY5750 / AUD$60


Quartz with Siderite


Group of Quartz crystals with dominant dipyramidal forms and a short prism, translucent, lustrous and with a pale amethyst color, partially covered by small crystals of Siderite. The specimen comes from the Alain Martaud collection, whose label we will send to the buyer.

San Valentín open pit, Sancti Espíritu, Sierra Minera de Cartagena-La Unión, La Unión, Comarca Campo de Cartagena, Murcia, Region of Murcia Spain

Specimen size: 5.8 x 5.1 x 4.7 cm

Main crystal size: 3 x 2.4 cm

Former collection of Alain Martaud

€50 / US$60 / JPY6390 / AUD$70


Quartz after Aragonite


Group of crystals, very aerial and on matrix, of Quartz pseudomorphs after Aragonite, an unusual substitution and, in this case, also very aesthetic. The crystals have recognizable crystal shapes, and are translucent and white. The specimen comes from the Alain Martaud collection, whose label we will send to the buyer.

Los Pajaritos-Cabezo de Don Juan Ravine, Llano del Beal, Cartagena, Comarca Campo de Cartagena, Murcia, Region of Murcia Spain (1980-1985)

Specimen size: 10.5 x 7.8 x 9 cm

Former collection of Alain Martaud

€140 / US$169 / JPY17890 / AUD$210


Malachite after Azurite and Azuite


Druse of equant Azurite crystals with sharp crystal forms, with a group of very well defined Malachite pseudomorphs after Azurite crystals. Exemplary of the type locality for Azurite.

Chessy-les-Mines, Les Bois d'Oingt, Villefranche-sur-Saône, Rhône, Auvergne-Rhône-Alpes France (1989-1995)

Specimen size: 4 x 3.1 x 2.9 cm

Main crystal size: 1 x 0.6 cm

Type locality

€130 / US$157 / JPY16610 / AUD$200




Botryoidal Hematite growths known by the name of “kidney ore”, with good luster and reddish tones. An excellent English classic.

Florence Mine, Egremont, West Cumberland Iron Field, former Cumberland, Cumbria England / United Kingdom

Specimen size: 17.8 x 8 x 6.4 cm

Main crystal size: 3 x 2.4 cm

€280 / US$339 / JPY35780 / AUD$430


Quartz (varieties smoky and scepter)


Parallel and scepter growth of doubly terminated crystals, very lustrous, transparent, and with an intense smoky color, on a group of very elongated white Quartz crystals.

Steinkopf, Namakwa District (Namaqualand), Northern Cape Province South Africa (08/2010)

Specimen size: 5 x 3.1 x 2.2 cm

€150 / US$182 / JPY19170 / AUD$230


Sphalerite with Arsenopyrite, Magnetite and Muscovita


Complex Sphalerite crystal with rounded and poorly defined faces and edges, translucent and with a light yellow color. Very aerial and on matrix, with small very sharp crystals of Arsenopyrite, Magnetite, and Muscovite.

Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Ulanhad (Chifeng), Inner Mongolia Autonomous Region China (2016)

Specimen size: 4.6 x 3.2 x 2.2 cm

Main crystal size: 2.1 x 2 cm

€220 / US$267 / JPY28110 / AUD$330