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

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

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

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

Massive twinned rhombohedral calcite crystals with rich orange to yellow color all throughout. Fully terminated with lustrous crystals faces with s...

From Elk Creek, Meade County, South Dakota Large, museum-quality, lustrous transparent deep golden calcite on matrix. Double terminated scalenohedr...

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

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

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

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

From Tieshan District, Huangshi Prefecture, Hubei Province, China Lustrous translucent large blocky golden rhombohedral crystals of calcite in a st...

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

Xianghualing-Xianghuapu Mines, Hunan, China Unusual, unique one of a kind specimen of calcite on purple green fluorite. Cubic fluorite crystals in ...

From Elmwood Mine, Tennessee, United States. Large, museum-quality, lustrous transparent deep golden calcite with sphalerite crystal at the base of...

From Elmwood Mine, Tennessee, United States. Large, museum-quality, lustrous transparent deep golden calcite, 4"x2.75" with sphalerite crystal at t...

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

From Elmwood Mine, Tennessee, United States. Large, museum-quality, lustrous transparent deep golden calcite with sphalerite crystal at the base of...

Lustrous vibrant orange-yellow showy, sharp "Porcupine" calcite cluster. The calcites are perfectly terminated and damage free.   Weight: 4.7 lbs, ...

from Jalgaon,  Maharashtra, India   Large specimen of lustrous green apophyllite crystals in isolated clusters on druzy chalcedony matrix. The apop...

Large specimen of a radial formation of emerald green apophyllite crystals beside a intersecting crystals of transparent rhombic calcite crystals a...

From Nasik District, Maharashtra, India Large translucent to transparent apophyllite crystal cluster with twinned crystals of calcite on matrix wit...

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