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A rich, showy combination specimen from Santa Eulalia, Mexico. The Calcites look like glistening ice cubes covering the lustrous, honey brown Mimetite crystals.
Calcite Crystals on Mimetite
Santa Eulalia, Chihuahua, Mexico
11.9 x 8 x 5.5 cm
Ex-Ernie Schlichter Collection
Golden Calcite crystal on Dolomite with Sphalerite
Elmwood Mine, Carthage, Central Tennessee Ba-F-Pb-Zn District, Smith Co., Tennessee,  US
16 x 10 x 9 cm
Lustrous golden, double terminated Calcite crystal (10.5x6.5 cm) perched on a substrate of Dolomite trimmed with Sphalerite. In very good condition.
Azurite Crystal Cluster
Shilu Mine, Guangdong Province, China
10 x 7 x 5.5 cm
Super cluster of sharp crystals of Azurite from the Shilu Mine.
Stibnite Crystal Cluster
Baia Sprie, Maramures,County, Romania
9.5 x 8 x 5 cm
Terrific cluster of dark silver-gray Stibnite crystals from Romania, which mines are long closed. Super specimen in fine condition.
Calcite Crystals on Matrix
Elmwood Mine, Carthage, Central Tennessee Ba-F-Pb-Zn District, Smith Co., Tennessee,  US
14 x 12 x 8.5 cm

Very nice formation of pale to darker golden crystals of Calcite (to 6.5x4 cm) on matrix. In very good condition.
Calcite Crystals on Plate of Apophyllite Crystals
Jalgaon, Maharashtra, India
15 x 12.5 x 5 cm
Gemmy, light golden Calcite crystals (4x3 cm) on a plate of scintillating Apophylitte.
Quartz var. Amethyst ("Cactus Quartz")
Farm Boekenhouhoek, South Africa
12.5 x 10.5 x 5.5 cm
Beautiful cluster of Amethyst crystals covered with a druse of seconday Quartz. Difficult to photograph due to the druse coating, but it is far better in person.
Quartz Crystals on Lepidolite with Tourmaline
Paderneira Mine, Minas Gerais, Brazil
6.5 x 5 x 3 cm
Gemmy, pristine Quartz crystals on light purple Lepidolite with a central light purple and green Tourmaline crystal. Comes with a custom made stand.
Blue Barite Crystals on Matrix
Sidi Lahcen Mine, Jebel Ouichane, Segangane, Nador, Morocco
10.5 x 10 x 5.5 cm
Excellent specimen of lustrous blue Barite crystals on matrix. In very good condtion.

Rare, twinned crystals of Witherite on matrix. Witherite was named for William Withering (1741-1799) an English physician and naturalist who in 1784 published his research on the new mineral.
Mahoning #4 Mine, Hardin County, Illinois, USA
4.5 x 4 x 3 cm
Ex-Gregory Crenko Collection
Fine, rich specimen of numerous well formed Bournonite crystals with some accenting Chalcopyrite on a cluster of Quartz crystals.
Bournonite, Chalcopyrite & Quartz
Morococha District, Yauli Province, Junin Department, Peru
16.5 x 8 x 4.5 cm
Ex-Jorge Diaz Asenjo Collection
Hausmmanite Crystals with Calcite on Matrix
N'Chwanning Mines, Kalahari Manganese Fields, Northern Cape Province, South Africa
6 x 4.5 x 1.5 cm
Ex-Charles Key Collection

Rare on the market specimen of  Hausmannite crystals with Calcite. Hausmannite is usually not a beautiful mineral; however some specimens are truly wonderful. It can have a bright metallic luster and form well-shaped crystals. The crystals are tetragonal dipyramids, an eight faced form that looks psuedo-octahedral. 
Very nice cluster of jet black Schorl crystals.
Click here for information on the Erongo Mountais
Schorl Crystal Cluster
Erongo Mountains, Usakos & Omaruru Districts, Namibia, Africa
8 x 6 x 3 cm

This is an excellent specimen of botryoidal, bluish-green Hemimorphite.
A fine specimen of yellow-green Adamite. Note the fluorescence under UV light.
 Wenshan Autonomous Prefecture, Yunnan Province, China
 14 x 5.5 x 3.5 cm
Ojuela Mine, Mapimi, Durango, Mexico
7 x 4 x 2.5 cm
Fluorite Crystals on Quartz
Fujian Province, China
12 x 8.5 x 4.5 cm
Light green crystals of Fluorite on a Quartz plate. Very pretty and in fine codition.
Quartz Crystals var. Amethyst on Quartz with Calcite
Brandberg Complex, Brandberg Area, Erongo Region, Namibia
10.5 x 9 x 6 cm
Interesting plate of Quartz crystals some of which have partially evolved into dark blue Amethyst. There is also a scattering of white Calcite crystals. In very good condition.
Chalcedony Stalagmites
Jalgaon, Maharashtra, India
16 x 11 x 8 cm
Glittering, snow white, stalagmatic formation of Chalcedony. Even better in person.
Cuprian Adamite Crystals on Matrix
Ojuela Mine. Mapimi, Mun. de Mapimi, Durango, Mexico
5.5 x 5 x 2 cm
Very nice specimen of gemmy, green Cuprian Adamite crystals on Limonite.
A great specimen of rhombohedral Calcite on Galena with complex twinning and, with a trimming of yellowish-brown Calcite. Presents well from several sides.
Calcite on Galena
Kruchev dol Mine, Madan District,  Southern Rhodope Mountains, Bulgaria 
12.5 x 10 x 6 cm
A very nice large cluster of Fluorite crystals with gemmy Calcite crystals from the famous Moscona Mine. The Fluorite crystals are covered with a thin layer of glistening, micro-crystalline Pyrite.
Calcite Crystals on Fluorite Coated with Pyrite Microcrystals
Moscona Mine, Solís, Corvera de Asturias, Villabona mining area, Asturias, Spain
17 x 10 x 9.5 cm
Ex-Jorge Diaz Asenjo Collection
Azurite on Clay
Malbunka Copper Mine, Areyonga, Northern Territory, Australia
20.5 x 15.5 x 3.5 cm
Large specimen of these unique Azurite crystal formations on Clay that came out of Australia a few years ago.
Atacamite Crystals on Matrix
La Farola Mine, Copiapo Province, Atacama Region, Chile
7.5 x 7 x 2 cm
Ex-Art Soregaroli Collection
Clusters of intergrown "stars" of lustrous, gemmy, emerald-green acicular Atacamite crystals on matrix. This an especially fine specimen.
A large, lustrous, golden Barite crystal with Calcite.
 Barite Crystal with Calcite
 Melkle Mine, Elko County, Nevada, USA
 7 x 4.5 x 4.5 cm
A fine cluster of lustrous, pearlescent, Barite spearpoints in en echelon bundles mounded on a bit of Fluorite matrix.
Barite on Fluorite
Annabel Lee Mine, Harris Creek District, Hardin County, Illinois
11 x 7.5 x 7 cm
Super specimen of complex crystals of silvery Arsenopyrite on a cluster of Ilvaite crystals from the new finds of Inner Mongolia.
Opposite side
Arsenopyrite & Ilvaite Crystals
Huanggang, Inner Mongolia, China
10.5 x 8.5 x 6 cm

Nice plate of Amethyst crystals (to 2.25 x 2 cm), some sceptered, on matrix
Quartz var. Amethyst Crystals on Matrix
Goboboseb Mountains, Brandberg District, Namibia, Africa
9.5 x 7 x 4 cm
A heavy, solid piece of silvery Pyrite with nicely separated, sharp, golden crystals of Chalcopyrite to 2 x 2 cm.
Chalcopyrite Crystals on Pyrite
Huanzala Mine, Huallanca District, Dos de Mayo Province, Huanuco Department, Peru
15 x 10 x 6 cm
Ex-Jorge Diaz Asenjo Collection
Quartz var. Amethyst (Cactus Amethyst)
Boekenhouthoek Area, Mpumalanga Province, South Africa
15 x 11 x 5 cm
A very nice, large plate of "starburst", purple Amethyst crystals in very good condition.
Amethyst Quartz with Pyrite
Fengjiashan Mine, Daye Copper Mine, Ezhou Prefectrure, Hubei Province, China
12.5 x 12.5 x 5.5 cm
A solid mass of silvery Pyrite crystals with intergrown, light Amethyst crystals.
Sphalerite with Calcite
Stari Trg Mine, Trepca Complex, Near Mitrovica, Kosovoska Municipality, Kosovo
9 x 5 x 4 cm
Cluster of jet black, sharp, complex crystals of Sphalerite with an upper trim of Calcite. Even better in person.
Illinois Fluorites
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