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Amber is a yellow, brown or orange organic gem, neither a crystal nor a mineral. It is a product of nature, the fossilized resin of prehistoric pin...

Amethyst is a beautiful purple stone, known as a “Gem of Fire” by ancient cultures. It has been greatly sought after throughout history and was at ...

Amethyst is a beautiful purple stone, known as a “Gem of Fire” by ancient cultures. It has been greatly sought after throughout history and was at ...

Ametrine is quartz that occurs in bands of purple and yellow. As the name suggests, it is a combination of Amethyst and Citrine. The different colo...

Ametrine is quartz that occurs in bands of purple and yellow. As the name suggests, it is a combination of Amethyst and Citrine. The different colo...

Aquamarine is a transparent to translucent stone ranging from cerulean blue to light blue in higher grades. In lower grades it can be transparent t...

Aquamarine is a transparent to translucent stone ranging from cerulean blue to light blue in higher grades. In lower grades it can be transparent t...

Aquamarine is a transparent to translucent stone ranging from cerulean blue to light blue in higher grades. In lower grades it can be transparent t...

A rare type of amethyst, Auralite is a mixture of two to seven different minerals. Believed to have formed during a time when minerals and elements...

This stone is a combination of two very similar materials: Azurite is a deep blue mineral produced by weathered copper ore deposits, and over time,...

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...

Spinel is a hard vitreous magnesium aluminum oxide, and comes in a range of other colors, but those varieties are transparent. Black Spinel not onl...

Spinel is a hard vitreous magnesium aluminum oxide, and comes in a range of other colors, but those varieties are transparent. Black Spinel not onl...

These Black Tourmaline rock specimens will be a great addition to your rock collection! They have a deep, inky black color to them and depending on...

These Black Tourmaline rock specimens will be a great addition to your rock collection! They have a deep, inky black color to them and depending on...

Blue Apatite ranges in color from light teal to blue to bright blue to dark blue to green. It can be easily confused with other minerals due to its...

Blue Chalcedony is a naturally occurring, soft blue translucent stone. It is a member of the Quartz family, a form of silica with a cryptocrystalli...

Blue Crazy Lace Agate is actually Mexican Crazy Lace Agate that has been color enhanced with blue to bring out the beautiful patterns in the stone....

Diamond is a rare, naturally occurring mineral composed of pure carbon. Although most people think of diamonds as colorless, they actually occur i...

Moonstone naturally occurs in a broad spectrum of colors, but is most commonly associated with white, gray and peach. It's soft chatoyancy is remin...

Blue Peruvian Opal naturally occurs with swirling patterns of deep blues, blue to greens and greens swirled with yellow to green, rust, brown and o...

Botswana Agate displays highly defined parallel banding, usually in white on hues of brown, gray, pink, tan, apricot and purplish red. Botswana Aga...