Lustrous sparkling cluster of dolomite crystals from Morocco. Dolomite is part of the carbonate class of minerals and is know as a calcium magnesiu...

A fine and gorgeous Malachite Stalactite slice from Congo with rich, velvety bands of light and dark green and a magical chatoyance that morphs and...

From Moscona Mine, Villabona District, Asturias, SpainAesthetic penetrating cubic formation of transparent to translucent golden yellow fluorite cr...

From Nandan County, Hechi, Guangxi, China Long cluster of large, blocky crystals of yellow-tan barite crystals. The barites are translucent and sho...

A fine and gorgeous Malachite Stalactite slice from Congo with rich, velvety bands of light and dark green and a magical chatoyance that morphs and...

From Nasik District, Maharashtra, India One milky calcite crystal on powder blue druzy chalcedony matrix.   Weight: 393 grams , Dimensions: 4.5 x 1...

From Nasik District, Maharashtra, India Lustrous cluster of intersecting acicular sprays of scolectite crystals with Stilbite matrix. The scolecite...

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

From Nasik District, Maharashtra, India Large lustrous cluster of intersecting acicular sprays of scolectite crystals with matrix. The scolecite cr...

From Elk Creek, Meade County, South Dakota. Cluster of translucent yellow-brown barite on botryoidal crystals.  Weight: 1.9 lbs, Dimensions: 4 x 2 ...

A fine and gorgeous Malachite Stalactite slice from Congo with rich, velvety bands of light and dark green and a magical chatoyance that morphs and...

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

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

From Nandan County, Hechi, Guangxi, China Lustrous grayish-yellow pseudo-rhombohedral barite crystals in parallel orientation. The barites are tran...

from Minas Gerais, Brazil. Several green beryl crystals on tan colored feldspar matrix. The crystal are greenish-brown color and has the typical co...

From Aurangabad, Maharashtra, India Classic example of cream colored cluster of bowtie stilbite crystals in tapered wheat-sheaf-shaped aggregates o...

Galena from Krushev Dol Mine, Madan District, Rhodope Mountains, Bulgaria Bright metallic galena crystals with mirror-like surface luster with mino...

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

From Nandan County, Hechi, Guangxi, China Long cluster of large, blocky crystals of yellow-tan barite crystals. The barites are translucent and sho...

From Jalgaon District, Maharashtra, India  Classic example of cream colored cluster of colorless bowtie stilbite crystal on matrix. Stilbite crysta...

This fascinating specimen formed when gemmy calcite crystals grew in the natural pocket formed by a buried fossil clamshell. The interior of the sh...

From Huanggang Mine, Kèshíkèténg Qí, Chifeng, Inner Mongolia, China Large specimen of silvery metallic luster arsenopyrite crystals in a subparall...

From Jalgaon District, Maharashtra, India  Classic example of cream colored cluster of bowtie stilbite crystal on matrix. Stilbite crystals are tra...

From Nasik District, Maharashtra, India Lustrous cluster of intersecting acicular sprays of scolectite crystals with Stilbite matrix. The scolecite...