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Check out Bi-Colored Fluorite Crystals with Quartz, Stibnite on Calcite, Calcite with Pyrite, Sphalerite & Quartz, Azurite & Malachite, Orpiment, Galena & Chalcopyrite with Sphalerite & Quartz, Danburite Crystal Cluster, Rutile on Hematite on Quartz, Ruby Jack Sphalerite Crystals on Dolomite, Manganoan Calcite on Quartz, Fluorapophyllite Crystal Cluster with Stilbite, Fluorite & Barite Crystals over Quartz Druse, Sphalerite Crystals with Dolomite, Chalcopyrite with Quartz & Sphalerite, Gypsum Crystals over Malachite, Cerussite Crystals with Barite, Arsenopyrite Crystal Cluster, Apatite Crystal Cluster with Mica, Fluorite Crystal Cluster, Hemimorphite Crystal Cluster, Green Quartz var. Prasem on Andradite Garnet, Manganite Crystal Cluster, Pyrite Crystals with Calcite, Prehnite Crystals with Albite & Laumontite and Adamite Crystals on Goethite & Limonite mineral specimens on this page.
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Gray-blue twinned Apatite crystals with sidecar crystals.
Fine cluster of green Quartz (with Actinolite Inclusions) on solid Andradite, which includes some well formed crystals, as well. In fine condition.
Superb complex cluster of well defined silvery Arsenopyrite prismatic crystals (to 2.75 x 1.75 cm) from the famous Panasqueira Mines. Even better in person !
Wonderful display of numerous, glassy Hemimorphite crystals. Very good quality.
Excellent, well crystallized solid Manganite.
Nice plate of silvery Pyrite crystals adorned with Calcite crystals.
Lustrous and translucent, color-zoned Fluorite cubes to 2.5 cm aesthetically clustered on either side of  the 3-dimensional matrix and, nicely separated by a field of sparkly starbursts of drusy Quartz crystals. The Fluorite crystals have intense, stepped-growth faces giving a flashy look and dark purple phantoms. In very fine condition.
Fine, large cluster of translucent, color zoned blue Fluorite crystals with nice stepped-growth faces. In fine condition.
Wonderful example of the fine Prehnites that heve come from the famous, now closed, Prospect Park Quarries.
You have seen lots of Mapimi Adamites, mostly the whorls of fanned crystals or druses, but it is rare to see big, distinct crystals such as these nestled in a Goethite lined cavity of Limonite.  These classic Adamite crystals are long tapered prisms with a chisel termination and measure to 1+ cm. In very good condition, except for some outer periphery wear.
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Splendid spray of silvery Stibnite crystals (3.2x2.5 cm) perched in a vuggy like opening of Calcite. Such isolated Stibnite sprays on attractive matrix, from the Mines of Romania, are very rarely available in the US. And, since the Mines are now closed - they will only increase in value faster.

Aesthetic specimen of creamy white Calcite and translucent Quartz  crystals with minor golden Pyrite and Sphalerite
Click here for: Traditional Villages in Maramures, by Joyce Dalton

Click here for a photo gallery of Maramures, Romania
Superb specimen from the Charlie Key Collection with dozens of well defined deep purple Azurite crystals and minor Malachite.
Click here for information on Azurite.
Very nice mix of Galena and golden Chalcopyrite with Sphalerite and minor Quartz representative of the fine combination specimens from the Bulgarian Mines.
Beautiful plate of prismatic, well terminated Danburite crystals.
We rarely see nice specimens of Rutile on Hematite attached to a solid matrix - in this case a Quartz crystal.
Click here for information on Danburite.
Click here for information on Rutile.
Stunning specimen of purple Fluorite crystals (1 x 1 cm) and white Barite blades over glistening Quartz druse on matrix. Wonderrful piece from the famous, defunct Berbes Mine.
Gorgeous star burst of Fluorapophyllite crystals on a plate of white, translucent Stilbite crystals.
Highly lustrous, rhombs of Manganoan Calcite on Quartz.
Super lustrous Ruby Jack Sphalerite crystals on nicely contrasting plate of Dolomite crystals from the famous Elmwood mine.
Click here for information on Sphalerite.
Click here for a video of Ribadesella, Asturias, Spain.
Large mass of jet black, lustrous Sphalerite crystals crowned with pearlescent, white Dolomite crystals.
Aesthetic specimen of golden Chalcopyrite crystals with Quartz & Sphalerite.

Water clear crystals of Selenite over Malchite with very aesthetic result.
Gemmy, yellow-green crystals of Cerussite wth creamy Barite crystals on matrix.

Cerussite (also known as lead carbonate or white lead ore) is a mineral consisting of lead carbonate (PbCO3), and an important ore of lead. The name is from the Latin cerussa, white lead.
Bi-Colored Fluorite Crystals with Quartz
El Filo Vein, Santa Librada, Mapimi, Durango, Mexico
12.5 x 9.5 x 6.5 cm
Ex-Jason New Collection
Stibnite on Calcite
Prinzipal Mine, Herja System, Baia Mare,
Maramures, Romania (Mined c. 2002)
8.5 x 7.5 x 4.5 cm
Calcite, Pyrite, Sphalerite & Quartz 
Cavnic, Maramures, Romania
10 x 8 x 3.5 cm
Azurite and Malachite
Concepcion del Oro, Mun. de Concepcion del Oro, Zacatecas, Mexico
7 x 6.5 x 3 cm
Ex-Charlie Key Collection
Galena & Chalcopyrite with Sphalerite & Quartz
Kruchev dol Mine, Madan District, Southern Rhodope Mountains, Bulgaria (Mined 1/2006)
13.5 x 11.5 x 5.5 cm
Danburite Crystal Cluster
Mina Aurora, Charcas, San Luis Potosi, Mexico
16.5 x 9.5 x 7 cm
Rutile on Hematite on Quartz
Novo Horizonte, Bahia, Brazil
7 x 5 x 3.5 cm
Ruby Jack Sphalerite Crystals on Dolomite
Elmwood Mine, Carthage, Central Tennessee Ba-F-Pb-Zn District,
Smith County, Tennessee, USA
10.5 x 8 x 4 cm
Manganoan Calcite on Quartz
Kruchev dol Mine, Madan District, Southern Rhodope Mountains, Bulgaria (Mined c. 2006)
6 x 4 x 4 cm
Fluorapophyllite Crystal Cluster and Stilbite on Basalt Matrix
Deccan Plateau, Maharashtra, India
10 x 7 x 4.5 cm
Ex-Jorge Diaz Asenjo Collection
Fluorite and Barite Crystals over Quartz Druse on Matrix
Berbes Mine, Berbes Mining area, Ribadesella, Asturias, Spain
17 x 15 x 13.5 cm
Ex-Jorge Diaz Asenjo Collection
Sphalerite Crystals with Dolomite
Quiruvilca Mine (La Libertad Mine; ASARCO Mine), Quiruvilca District,
Santiago de Chuco Province, La Libertad Department, Peru
15.5 x 12 x 7 cm
Ex-Jorge Diaz Asenjo Collection
Chalcopyrite, Quartz & Sphalerite
Boldut Mine, Cavnic, Maramures, Romania
9.5 x 9 x 6 cm
Gypsum Crystals over Malachite
Lilly Mine, Pisco Umay, Ica Department, Peru
7 x 5.5 x 3 cm
Cerussite Crystals with Barite on Matrix
Mibladen, Midelt, Khénifra Province, Meknès-Tafilalet Region, Morocco
13 x 9 x 4.5 cm
Arsenopyrite Crystal Cluster with Sphalerite & Muscovite
Panasqueira Mines, Beira, Baixa, Portugal
13 x12 x 4 cm
Apatite Crystal Cluster with Mica
Panasqueira Mines, Beira, Baixa, Portugal
7 x 4.5 x 2.5 cm
Fluorite Crystal Cluster
La Viesca Quarry, La Collada, Siero, Asturias, Spain
18.8 x 12.1 x 10.3 cm
Hemimorphite Crystal Cluster
Ojuela Mine, Mapimí, Mun. de Mapimí, Durango, Mexico
13 x 12.5 x 6 cm
Green Quartz var. Prasem on Andradite Garnet
Dal'negorsk, Primorskiy Kray, Far-Eastern Region, Russia
6.5 x 6 x 5.5 cm
Manganite Crystal Cluster
Antikokan, Northwest Ontario, Canada
7.5 x 7 x 1.5 cm
Ex-Charles Key Collection; Ex-Roy A. Smith Collection
Pyrite Crystals with Calcite
Huanzala District, Dos de Mayo Province, Huanuco Department, Peru
9.5 x 6 x 3.5 cm
Prehnite Crystals with Albite & Laumontite
Prospect Park Quarries, Prospect Park, NJ, USA
14.5 x 13.5 x 7.5 cm
Ex- Fred Vlamynck Collection; Ex-Eric Stanchich Collection
Adamite Crystals with Albite & Laumontite
Ojuela Mine,  Mapimí,  Mun. de Mapimí,  Durango,  Mexico
10 x 10 x 4.5 cm