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Tourmaline naturally occurs in a full color spectrum and is used as both a trade name and as a gemological name for a group of minerals of varying ...

Shungite is a black, lustrous, non-crystalline mineraloid consisting of a high percentage of carbon. It was first found in a deposit near Shunga vi...

Black Gold Amazonite is a member of the Feldspar family and varies in hue from robin’s egg blue to blue-green to black, occasionally mingled with r...

Onyx is a black and white banded Chalcedony, a cryptocrystalline Quartz. It is often thought of as an all-black stone, and much of the black Onyx o...

Snowflake Obsidian is a volcanic black stone with small, white, radially clustered inclusions of cristobalite in the black glass, producing snowfla...

The name originates from the town of Larvik, Norway where this type of igneous rock is found. Legend has it that it came to the world?s attention i...

Black Tourmaline is a black crystalline aluminum borosilicate mineral with occasional light gray inclusions that appear as flecks or veins. Tourmal...

Black Gold Amazonite is a member of the Feldspar family and varies in hue from robin’s egg blue to blue-green to black, occasionally mingled with r...

Onyx is a black and white banded Chalcedony, a cryptocrystalline Quartz. It is often thought of as an all-black stone, and much of the black Onyx o...

Black Gold Amazonite is a member of the Feldspar family and varies in hue from robin’s egg blue to blue-green to black, occasionally mingled with r...

Black Gold Amazonite is a member of the Feldspar family and varies in hue from robin’s egg blue to blue-green to black, occasionally mingled with r...

Black Gold Amazonite is a member of the Feldspar family and varies in hue from robin’s egg blue to blue-green to black, occasionally mingled with r...

Onyx is a black and white banded Chalcedony, a cryptocrystalline Quartz. It is often thought of as an all-black stone, and much of the black Onyx o...

Onyx is a black and white banded Chalcedony, a cryptocrystalline Quartz. It is often thought of as an all-black stone, and much of the black Onyx o...

Tourmaline naturally occurs in a full color spectrum and is used as both a trade name and as a gemological name for a group of minerals of varying ...

Black Tourmaline is a black crystalline aluminum borosilicate mineral with occasional light gray inclusions that appear as flecks or veins. Tourmal...

This variety of opal is named "dendritic" for the small inclusions within it that resemble moss or ferns. These inclusions consist of iron, mangane...

Black Gold Amazonite is a member of the Feldspar family and varies in hue from robin’s egg blue to blue-green to black, occasionally mingled with r...

Black Gold Amazonite is a member of the Feldspar family and varies in hue from robin’s egg blue to blue-green to black, occasionally mingled with r...

Black Gold Amazonite is a member of the Feldspar family and varies in hue from robin’s egg blue to blue-green to black, occasionally mingled with r...

Onyx is a black and white banded Chalcedony, a cryptocrystalline Quartz. It is often thought of as an all-black stone, and much of the black Onyx o...

Lava is rock from the molten center of the earth, once spewed through fractures in the planetary crust or from a volcanic eruption. Once cooled, th...

Lava is rock from the molten center of the earth, once spewed through fractures in the planetary crust or from a volcanic eruption. Once cooled, th...

Onyx is a black and white banded Chalcedony, a cryptocrystalline Quartz. It is often thought of as an all-black stone, and much of the black Onyx o...