From Koksha Valley, Khash & Kuran Wa Munjan Districts, Badakhshan Province, Afghanistan Prismatic blue afghanite crystals exposed on the face o...

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

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

Beautiful specimen from Piedra Parada, Las Vigas de Ramirez, Veracruz, Mexico. Many lustrous purple amethyst quartz crystals scattered over large m...

Beautiful specimen from Piedra Parada, Las Vigas de Ramirez, Veracruz, Mexico. Many amethyst quartz crystals on matrix. The color varies from pink-...

From Stanley Butte, San Carlos Indian Reservation, Graham County, Arizona Well crystallized, classic cluster of greenish-brown andradite garnet cry...

From Nuestra Señora del Carmen Mines, La Celia lamproite outcrops, Jumilla, Murcia, SpainLustrous interconnected purple-gray crystals with minor ma...

From Ganzhou, Jinagxi, China Superb water-clear wedge-shaped barite crystals covering one face of tan-colored matrix. The barite crystals formed ov...

From Jebel Ouichane, Sagangane, Nador Province, L'Oriental Region, Morocco.Here is a superb cluster of these incredible new blue Barites that have ...

From Aurangabad, Maharashtra, India Large pale snow white pseudomorph crystal of gem transparent calcite crystals coated with sparkling barite micr...

From Mibladen, Haute Moulouya Basin, Zeida-Aouli-Mibladen belt, Midelt Province, MoroccoTranslucent golden cerussite crystals scattered over orange...

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

From Pederniera Mine, Sao Jose da Safira, Minas Gerais, Brazil Slender crystal of blue colored elbaite tourmaline with complex termination on one...

Milpillas Mine, Cuitaca, Sonora, Mexico Large cabinet specimen of acicular vivid green crystals of brochantite lining one side of gray matrix. The ...

From Nasik District, Maharashtra, India Large translucent cubic crystals of calcite on light pink heulandite crystal cluster matrix. The calcite ha...

This fascinating specimen formed when gemmy calcite crystals grew in the natural pocket formed by a buried fossil clamshell. The interior of the sh...

This fascinating specimen formed when gemmy calcite crystals grew in the natural pocket formed by a buried fossil clamshell. The interior of the sh...

From Aurangabad, Maharashtra, India Large 5.75 inch pale-pink pseudomorph crystal of gem transparent calcite crystals coated with sparkling quartz ...

From Aurangabad, Maharashtra, India Large pale snow white pseudomorph crystal of gem transparent calcite crystals coated with sparkling quartz micr...

From Kamoya Mines, Lualaba Province, Democratic Republic of the Congo Several bright metallic crystals of rare carrollite running through white cal...

From Mibladen, Atlas Mountains, Khénifra Province, Morocco A large lustrous, transparent to translucent colorless sixling-twin cerussite crystal fr...

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Lustrous translucent beige-colored bladed cerussite crystals that are repeatedly twinn...

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Lustrous translucent beige-colored bladed cerussite crystals that are repeatedly twinn...

From Aurangabad, Maharashtra, India Large pale whale tail chalcedony calcite pseudomorph crystal of gem transparent calcite crystals coated with sp...