From Chenzhou Prefecture, Hunan Province, China Translucent pale-pink crystals of sharp flattened rhombohedral manganoan calcite in parallel format...

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

From San Eugenio, Artigas Dept., Uruguay Large 7'' scalenohedral crystal of calcite on amethyst matrix accented by isolated cluster of colorless qu...

Beautiful specimen from Piedra Parada, Las Vigas de Ramirez, Veracruz, Mexico. Several purple amethyst quartz crystals on matrix with epidote micro...

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

Beautiful specimen from Piedra Parada, Las Vigas de Ramirez, Veracruz, Mexico. Lustrous deep-purple transparent amethyst quartz crystals surrounded...

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  Here is an exceptional world class specimen of a cluster of hexagonal crystals of dark ...

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

Superb specimen of translucent red-brown Chocolate heulandite in a doube terminated wheat sheave aggregates with lustrous crystal faces on chalcedo...

Superb water-clear wedge-shaped barite crystals covering one face of tan-colored matrix. The barite crystals formed over botryoidal black oxide min...

Lustrous transparent powder blue thin pyramidal crystals in parallel formations on matrix inter grown with several isolated crystals of calcite in ...

Large 2.5 inch metallic lustrous cubic Spanish Pyrite crystal on matrix. This specimen has sharp, well-defined terminations where the crystal faces...

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 double penetrating twinned crystals of calcite on translucent to transparent apophyllit...

Large shallow vug with a transparent penetrating twinned golden calcite on druzy chalcedony matrix in stalactitic formations with several isolated ...

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

From Shigar Valley, Skardu, Baltistan, Gilgit-Baltistan, Pakistan Lustrous transparent pale sherry-colored topaz crystals on colorless quartz cryst...

Here is very blocky, fine quality, facet grade, light tone of Spodumene var. yellow green kunzite crystal. This spectacular medium light tone yello...

From Jalgaon District, Maharashtra, India  Classic example of cream colored cluster of colorless bowtie stilbite crystal on matrix. Stilbite crysta...

From Jalgaon District, Maharashtra, India    Classic example of wheat-sheaf-shaped cluster of colorless bowtie stilbite crystals. Stilbite crystals...

From Jalgaon District, Maharashtra, India    Doubly-terminated cluster of pristine pale-yellow stilbite crystals on matrix. The stilbite crystals a...

From Nasik District, Maharashtra, India Lustrous Large transparent yellow rhombohedral calcite crystal with textured striated crystal faces. Most o...

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