From San Eugenio, Artigas Dept., Uruguay   Museum quality specimen gem-quality 10" scalenohedral crystal of golden Calcite centered on matrix lined...

From San Eugenio, Artigas Dept., Uruguay   Museum quality specimen gem-quality 14" scalenohedral crystal of golden Calcite centered on matrix lined...

This specimen is a world-class, musum-quality stalactic form of the finest gem-quality Amethyst - from the famous regions of Artigas, Uruguay. This...

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

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

A huge, museum-quality geode displaying a wall of perfectly terminated pink Stillbite with white Apophyllite. This piece also shows two (2) perfect...

From San Eugenio, Artigas Dept., Uruguay   Heres a large museum quality cluster of several stalactitic formations of scintillating gem amethyst cry...

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

From Meikle Mine, Elko County, Nevada   Large rich cluster of golden yellow translucent bladed intersecting crystals of barite over calcite matrix....

From Mashamba West , Kolwezi, Western area, Shaba Cu belt, Shaba (Katanga), Congo (Zaire)Complex cluster of lustrous pink translucent flattened rho...

From Nasik District, Maharashtra, India Large water cleat of transparent calcite  crystal on large pink Heulandite scattered throughout a druzy cha...

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

From Nuristan Province, Afghanistan Double terminated crystal of translucent to transparent, colorless spodumene with isolated cluster of albite, s...

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

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

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

From Huanggang Mine, Kèshíkèténg Qí, Chifeng, Inner Mongolia, China Pink mangano calcite flower. The pink color of the calcite is caused by mangane...

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

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

From Quincy Mine, Hancock, Keweenaw Peninsula Copper District, Houghton County, MichiganLustrous translucent parallel scalenohedral calcite crystal...

From Mashamba West , Kolwezi, Western area, Shaba Cu belt, Shaba (Katanga), Congo (Zaire)Large complex cluster of lustrous pink translucent flatten...

From Jalgaon,  Maharashtra, India   Large cabinet specimen of rich golden yellow calcite crystal cluster partially covered in lustrous gem apophyll...

From San Eugenio, Artigas Dept., Uruguay   Large 7'' x 3.5" scalenohedral crystal of calcite on amethyst matrix accented by isolated cluster of col...

From San Eugenio, Artigas Dept., Uruguay Large 6'' sharp scalenohedral crystal of Calcite centered on matrix of grape purple translucent to transpa...