From Tekhdi, Madhya Pradesh, India This is a classic branchlike large specimen of gorgeous, translucent, mint-green prehnite crystals (pseudomorphs...

This unique Madagascan Blue Celestite Cluster exhibits large, gem crystals of remarkable quality, featuring prism faces and sharp chisel-terminatio...

This unique Madagascan Blue Celestite Cluster exhibits large, gem crystals of remarkable quality, featuring prism faces and sharp chisel-terminatio...

Top quality fully terminated cluster of lustrous crystallized gem translucent citrine variety quartz crystals with a mixture of amethyst clusteres,...

This unique Madagascan Blue Celestite Cluster exhibits large, gem crystals of remarkable quality, featuring prism faces and sharp chisel-terminatio...

This AAA museum quality Amethyst Quartz Cluster features naturally formed, lustrous and fully terminated crystals with highly reflective faces and ...

Top quality fully terminated cluster of lustrous crystallized gem translucent citrine variety quartz crystals with a mixture of amethyst clusteres,...

This unique Madagascan Blue Celestite Cluster exhibits large, gem crystals of remarkable quality, featuring prism faces and sharp chisel-terminatio...

From Mysuru (formerly Mysore), Karnataka, India Translucent pink ruby crystal, the pink gem variety of the mineral species corundum, with remnants ...

From Piedra Parada, Las Vigas de Ramirez, Veracruz, Mexico. Transparent purple amethyst quartz crystal with lustrous crystal surfaces and rich purp...

This unique Madagascan Blue Celestite Cluster exhibits large, gem crystals of remarkable quality, featuring prism faces and sharp chisel-terminatio...

This unique Madagascan Blue Celestite Cluster exhibits large, gem crystals of remarkable quality, featuring prism faces and sharp chisel-terminatio...

From Piedra Parada, Las Vigas de Ramirez, Veracruz, Mexico. Transparent purple amethyst quartz crystal with lustrous crystal surfaces and rich purp...

This unique Madagascan Blue Celestite Cluster exhibits large, gem crystals of remarkable quality, featuring prism faces and sharp chisel-terminatio...

From Piedra Parada, Las Vigas de Ramirez, Veracruz, Mexico. Transparent purple amethyst quartz crystal with lustrous crystal surfaces and rich purp...

This unique Madagascan Blue Celestite Cluster exhibits large, gem crystals of remarkable quality, featuring prism faces and sharp chisel-terminatio...

From Piedra Parada, Las Vigas de Ramirez, Veracruz, Mexico. Transparent purple amethyst quartz crystal with lustrous crystal surfaces and rich purp...

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

This unique Madagascan Blue Celestite Cluster exhibits large, gem crystals of remarkable quality, featuring prism faces and sharp chisel-terminatio...

AAA quality hand-polished natural Lapis Lazuli bowl from Afghanistan.  This specimen has rich, electric-royal blue color enriched with scintillatin...

This unique Madagascan Blue Celestite Cluster exhibits large, gem crystals of remarkable quality, featuring prism faces and sharp chisel-terminatio...

From Jalgaon District, Maharashtra, IndiaA sculptural stalactitic formation of blue chalcedony completely covered with sparkling druzy quartz cryst...

This unique Madagascan Blue Celestite Cluster exhibits large, gem crystals of remarkable quality, featuring prism faces and sharp chisel-terminatio...

Large formation of translucent reddish pink heulandite crystal in a wheat sheave aggregate alongside  lustrous pink stilbite crystals on gradient p...