Superb specimen of translucent red-brown Chocolate heulandite in a doube terminated wheat sheave aggregates with lustrous crystal faces on chalcedo...

Superb water-clear wedge-shaped barite crystals covering one face of tan-colored matrix. The barite crystals formed over botryoidal black oxide min...

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 ...

Milpillas Mine, Cuitaca, Sonora, Mexico Large cabinet specimen of acicular vivid green crystals of brochantite lining one side of gray matrix. The ...

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

From Shigar Valley, Skardu, Baltistan, Gilgit-Baltistan, Pakistan Lustrous transparent pale sherry-colored topaz crystals on colorless quartz cryst...

From Shigar Valley, Skardu, Baltistan, Gilgit-Baltistan, Pakistan Lustrous transparent orange-brown complete topaz crystals frozen in white surroun...

From Shigar Valley, Skardu, Baltistan, Gilgit-Baltistan, Pakistan Lustrous transparent pale sherry-colored topaz crystals on colorless quartz cryst...

Here is very blocky, fine quality, facet grade, light tone of Spodumene var. yellow green kunzite crystal. This spectacular medium light tone yello...

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

From Jalgaon District, Maharashtra, India    Classic example of wheat-sheaf-shaped cluster of colorless bowtie stilbite crystals. Stilbite crystals...

From Jalgaon District, Maharashtra, India    Doubly-terminated cluster of pristine pale-yellow stilbite crystals on matrix. The stilbite crystals a...

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...

From Wagholi Quarry, Maharashtra, India Vibrant royal blue cavansite crystals in spherical aggregates on quartz microcrystal-coated matrix with sma...

Trilobites, an early arthropod relative of spiders, horseshoe crabs, and scorpions, preserved in this level of detail only occurred as a result of ...

From Huanzala Mine, Huallanca District, Huanuco Department, Peru   Lustrous bladed translucent white barite crystals  on thin lustrous sharp galena...

From Huanzala Mine, Huallanca District, Huanuco Department, Peru Large intersecting formation of metallic luster galena in cubo-octahedral form wit...

Lustrous specimen of native (natural) copper intergrown with greenish basalt matrix. The copper is exposed on all sides and has bright metallic su...

Transparent 3d cubic purple fluorite crystals overgrown atop a cluster of lustrous sphalerite crystals . on matrix. The fluorite has rich purple zo...

Transparent purple fluorite crystals with minor hemimorphite crystal matrix. The crystal is externally unblemished, and only one internal flaw, oth...

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, Namibia Lustrous beautiful complex rhombic crystal cluster of pink smithsonite on matrix. Crys...

From Shigar Valley, Skardu District, Baltistan, Gilgit-Baltistan, Pakistan.   Large stark white microcline crystals 2- 3" in a staggered formation ...

From Tsumeb Mine, Otavi-Bergland District, Oshikoto, NamibiaTop quality specimen of translucent, colorless rhombic calcite crystals in a stacked fo...