Large, museum-quality, lustrous transparent deep golden calcite with small sphalerite crystal at the base of the crystal. Double terminated scaleno...

From Elk Creek, Meade County, South Dakota Large, museum-quality, lustrous transparent deep golden calcite on matrix. Double terminated scalenohedr...

Xianghualing-Xianghuapu Mines, Hunan, China Unusual, unique one of a kind specimen of calcite on purple green fluorite. Cubic fluorite crystals in ...

Large, museum-quality, lustrous transparent deep golden calcite with sphalerite crystal at the base of the crystal. Double terminated scalenohedral...

From Elmwood Mine, Tennessee, United States. Large, museum-quality, lustrous transparent deep golden calcite with sphalerite crystal at the base of...

Lustrous rich translucent green cubic halite crystals on matrix.     Weight: 1.85 lbs, Dimensions: 8 x 3.5 x 3.5 inches

From Mina el Potosí, Santa Eulalia District, Aquiles Serdán, Chihuahua, Mexico Here is a very aesthetic specimen with transparent, colorless diverg...

From Nasik District, Maharashtra, IndiaAesthetic specimen of lustrous double terminated pinkish-red Heulandite crystals in a fan shaped formation i...

Large single crystal of transparent, pink spodumene Kunzite with with steep termination on the top, and complex termination on the bottom. Kunzite...

From Katanga (Shaba) Province, Democratic Republic of the Congo (Zaire)Lustrous transparent green acicular malachite crystals lining cavities on Cu...

From Katanga (Shaba) Province, Democratic Republic of the Congo (Zaire)Lustrous transparent green acicular malachite crystals lining cavities on Cu...

From Bombay Quarry, Mumbai (Bombay), Maharastra, India   Large hemispherical formation of thin needle like colorless mesolite crystals on matrix li...

From Bombay Quarry, Mumbai (Bombay), Maharastra, India   Large hemispherical formation of thin needle like colorless mesolite crystals lined with g...

From San Pedro Mine, San Pedro Corralitos, Chihuahua, Mexico Well defined undamaged specimen of olive yellow-green ball aggregates of mimetite crys...

From Bombay Quarry, Mumbai (Bombay), Maharastra, India Hemispherical cluster of hair-thin okenite crystals in a geode lined with calcite along side...

 from Elmwood Mine, Carthage, Smith County, Tennessee   Transparent 3d cubic transparent purple fluorite crystals overgrown atop a cluster of metal...

Translucent cubic purple fluorite crystal overgrown on top of a clear quartz crystals.The fluorite surfaces are composed of smaller parallel crysta...

From Xianghualing Cassiterite Mine, 32 km north of Linwu, Hunan Province, China Large, museum-quality, cubic transparent purple fluorite crystals w...

From Minggang Mine, Henan Province, China Large well defined cubic formation of fluorite crystals with crystal faces composed of smaller sub-parall...

From near Pantai Manakarra, Mamuju, Sulawesi, Indonesia   Double-sided cluster of translucent grape purple quartz agate in spherical formations wit...

From Tekhdi, Madhya Pradesh, India Lustrous transparent purple parallel Quartz Var. crystals with red hematite encrusted phantoms inside water clea...

Red Quartz Hematite crystal cluster from Izizauen Alnif, Tarhbalt, Morocco. Cylindrical stalactite of calcite crystals mixed with red hematite.  He...

Red Quartz Hematite crystal cluster from Izizauen Alnif, Tarhbalt, Morocco. Cylindrical stalactite of calcite crystals mixed with red hematite.  He...

Red Quartz Hematite crystal cluster from Izizauen Alnif, Tarhbalt, Morocco. Cylindrical stalactite of calcite crystals mixed with red hematite.  He...