From Mibladen, Atlas Mountains, Khénifra Province, Morocco  An exceptional world-class cluster of hexagonal brick-red Vanadinite crystals with glas...

From Mibladen, Atlas Mountains, Khénifra Province, Morocco  Here is an exceptional world class specimen of a cluster of hexagonal crystals of brigh...

From Mibladen, Atlas Mountains, Khénifra Province, Morocco  An exceptional world-class cluster of hexagonal brick-red Vanadinite crystals with glas...

From Agoudal Mine, Bou Azzer District, Anti-Atlas Mountains, Tazenakht, Ouarzazate, Morocco Lustrous translucent pink cobalt-rich calcite crystals ...

From Shigar Valley, Skardu, Baltistan, Gilgit-Baltistan, Pakistan Lustrous transparent orange-brown complete topaz crystals frozen in white surroun...

Doubly-terminated, stacked cluster of Herkimer Quartz crystals from Herkimer County, New York. This aesthetic specimen, translucent to transparent ...

From Mibladen, Atlas Mountains, Khénifra Province, Morocco  Here is an exceptional world class specimen of a cluster of hexagonal crystals of brigh...

From Huanggang Mine, Kèshíkèténg Qí, Chifeng, Inner Mongolia, China Large specimen of silvery metallic luster arsenopyrite crystals in a subparall...

From Jalgaon District, Maharashtra, India  Classic example of cream colored cluster of bowtie stilbite crystal on matrix. Stilbite crystals are tra...

This Quartz stalactite slice from Southern Paraná Basalt Basin, Artigas, Uruguay features a beautifully banded cross section. This polished slice i...

From Nasik District, Maharashtra, India Lustrous transparent-to-translucent colorless elongated scolecite crystals in a spray-shaped formation. The...

From Nasik District, Maharashtra, India Lustrous cluster of intersecting acicular sprays of scolectite crystals with Stilbite matrix. The scolecite...

This Quartz stalactite slice from Southern Paraná Basalt Basin, Artigas, Uruguay features a beautifully banded cross section. This polished slice i...

From Bouismas Mine, Zagora, Morocco This is an exceptional example of well crystallized native Silver on Calcite on matrix. The Silver exhibits a w...

From Agoudal Mine, Bou Azzer District, Anti-Atlas Mountains, Tazenakht, Ouarzazate, Morocco Lustrous translucent pink cobalt-rich calcite crystals ...

Beautiful polished freeform specimen featuring striking bands of mixed chrysocolla and malachite in a captivating concentric botryoidal growth patt...

Beautiful polished freeform specimen featuring striking bands of mixed chrysocolla and malachite in a captivating concentric botryoidal growth patt...

From Guilin Prefecture, Guangxi Zhuang Autonomous Region, China Aesthetic stalactitic formation of translucent tanish-orange scalenohedral calcite ...

From Moscona Mine, Villabona District, Asturias, SpainAesthetic penetrating cubic formation of transparent to translucent golden yellow fluorite cr...

From Shaba Copper Belt, Katanga (Shaba) Province, Democratic Republic of the Congo (Zaire) A sculptural botryoidal formation of solid velvety green...

Beautiful specimen from Piedra Parada, Las Vigas de Ramirez, Veracruz, Mexico. Parallel formation of amethyst crystals with great transparency and ...

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

From Mibladen, Atlas Mountains, Khénifra Province, Morocco  An exceptional world-class cluster of hexagonal brick-red Vanadinite crystals with glas...

Lustrous transparent deep golden calcite crystal on small sphalerite matrix. Large double terminated scalenohedral twinned on the C-axis with well ...