From Mashamba West , Kolwezi, Western area, Shaba Cu belt, Shaba (Katanga), Congo (Zaire) It is no surprise that minerals predominantely display co...

from Bombay Quarry, Mumbai, Maharastra, India   Heres a 2.5 inch triple penetrating crystal cluster of optical Calcite perched atop a drusy quartz ...

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

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

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

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...

From San Eugenio, Artigas Dept., Uruguay Unusual 7'' elongated rhombic calcite crystal with modified terminations on gem amethyst crystal matrix. T...

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 ...

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

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 ...

From Hubei, China   Massive 8'' scepter shaped quartz crystal fully terminated with milky white core on a quartz cluster base. The scepter crystal ...

From Franklin, Sussex County, New Jersey   Large blocky dodecahedral crystals of willemite on matrix. The willemite fluoresces green under UV illum...

Hand polished freeform of banded pink mangano calcite from Pakistan. This specimen is very well defined with beautiful banded concentric patterns. ...

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Scintillating formation of spherical aggregates of quartz with translucent green conic...

From Bombay Quarry, Mumbai (Bombay), Maharastra, India Hemispherical cluster of hair-thin okenite crystals in a geode lined with calcite along side...

From Bombay Quarry, Mumbai (Bombay), Maharastra, India   Large hemispherical formation of thin needle like colorless mesolite crystals on matrix li...

From Nasik District, Maharashtra, India   Large geode with a transparent penetrating twinned golden calcite on druzy chalcedony matrix in stalactit...

from Fujin, China       Internally flawless crystal cluster of optical-grade colorless calcite on gossan matrix. The calcite crystal are fully term...

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

From Aurangabad, Maharashtra, India Massive complex cluster of fully crystallized green heulandite in rosette-shaped rounded aggregates. The green ...