From Edong Mining District, Daye, Hubei, China Cluster of sharp scalenohedral calcite crystals partially covered with lustrous iridescent metallic ...

This amazing stalactite formations are the height of beauty, with glittering druzy crystalline blossoms covering a cluster of long, finger-like pro...

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

From Madan District, Rhodope Mountains, Bulgaria Sculptural formation of lustrous yellow-metallic pyrite crystals with Sphalerite. The pyrite cryst...

An exquisite light grey druzy quartz stalactite cluster with details in green celadonite and white quartz. This piece is very special due to its li...

This Genuine Amethyst Cluster Geode from Uruguay is a top quality natural formation of gem amethyst. The half geode cathedral decor features lustro...

This top museum quality Amethyst Quartz geode slice features naturally formed, lustrous and fully terminated with highly reflective faces and a dee...

This top museum quality Amethyst Quartz geode slice features naturally formed, lustrous and fully terminated with highly reflective faces and a dee...

This top museum quality Amethyst Quartz geode slice features naturally formed, lustrous and fully terminated with highly reflective faces and a dee...

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Rich cluster of many intersecting yellow mimetite crystals. Very lustrous, good color....

This top museum quality Amethyst Quartz geode slice features naturally formed, lustrous and fully terminated with highly reflective faces and a dee...

This top museum quality Amethyst Quartz geode slice features naturally formed, lustrous and fully terminated with highly reflective faces and a dee...

Top quality, lustrous gem translucent yellow fluorite polished point. This specimen has bright rich honey yellow color and displays a base of ether...

An aesthetic specimen of a 7" gem transparent gypsum var. selenite crystal on druzy matrix. The specimen has top quality transparency with a glassy...

An aesthetic specimen of a 7.5" gem transparent gypsum var. selenite crystal on druzy matrix. The specimen has top quality transparency with a glas...

From Rio Grande do Sul, Brazil An aesthetic specimen of a 4" gem transparent gypsum var. selenite crystal on druzy quartz matrix. The specimen has ...

From Alimon Mine, Huaron, Cerro de Pasco, Peru Large formation of metallic chalcopyrite crystals overgrown on lustrous jet black sphalerite accente...

From Alimon Mine, Huaron, Cerro de Pasco, Peru Large formation of metallic chalcopyrite crystals overgrown on lustrous jet black sphalerite accente...

From Rio Grande do Sul, Brazil An aesthetic specimen of a gem transparent gypsum var. selenite crystal on druzy quartz amethyst matrix. The specime...

Translucent yellow botryoidal yellow fluorite inside the quartz var. amethyst geode. Both portions of the geode are present. The exposed edge of th...

From Alimon Mine, Huaron, Cerro de Pasco, Peru Large formation of metallic chalcopyrite crystals overgrown on lustrous jet black sphalerite accente...

Top quality, hand polished agate point from Madagascar. This blue banded agate point featuring wonderful white, brown, and blue hues. This specimen...

Top quality, hand polished agate point from Madagascar. This blue banded agate point featuring wonderful white, brown, and blue hues. This specimen...

Top quality, hand polished agate point from Madagascar. This blue banded agate point featuring wonderful white, brown, and blue hues. This specimen...