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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,...

Jade refers to an ornamental mineral, mostly known for its green varieties. Jade has been used for tens of thousands of years, initially as tools b...

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

Sugilite is a rare cyclosilicate that occurs in a range of vivid colors including deep purple, red to violet, magenta to purple, pink and pale lila...

Iron Zebra Jasper displays streaks or stripes of colors ranging from dark, rich browns and grays to lighter golden browns and creams. It has charac...

Iolite most commonly occurs in shades of blue to gray, violet or indigo. It displays a visual property called “pleochroism,” which means that it ca...

Garnets are a group of silicate minerals that have been used since the Bronze Age as gemstones and abrasives. All species of garnets possess simila...

Prehnite was the first mineral to be named after a person: its discoverer, Dutch Colonel Hendrik Von Prehn. Von Prehn discovered the stone in South...

Moonstone naturally occurs in a broad spectrum of colors, but is most commonly associated with white, gray and peach. Its soft chatoyancy is remins...

Brazilian Amazonite is an opaque blue to green to light green stone, often occurring with inclusions of white, yellow or gray and occasionally tran...

Citrine is a transparent Quartz, ranging in color from pale yellow to golden yellow, honey or brown, giving it a similar appearance to Topaz. It ma...

Brazilian Amazonite is an opaque blue to green to light green stone, often occurring with inclusions of white, yellow or gray and occasionally tran...

Prehnite was the first mineral to be named after a person: its discoverer, Dutch Colonel Hendrik Von Prehn. Von Prehn discovered the stone in South...

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

Morganite gets its pink hue from the presence of manganese or cesium in the stone. It's actually a pink variety of Beryl -- the family of gemstones...

Moonstone naturally occurs in a broad spectrum of colors, but is most commonly associated with white, gray and peach. Its soft chatoyancy is remins...

Australian Green Opal is a variety of Common Opal which is a mixture of Opal and nontronite. Common Opal is generally opaque, without the play of c...

Lapis is a semi to precious stone and one of the most sought after throughout history. It is highly regarded for its beautiful blue color flecked w...

Citrine is a transparent Quartz, ranging in color from pale yellow to golden yellow, honey or brown, giving it a similar appearance to Topaz. It ma...

Peridot (pair-uh-doe) is one of only two gems, the other being Diamond, that is not formed in the Earth’s crust. Rather, it is born in the molten r...

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors, everything from colorless to black, from pastel to bright to...

Lapis is a semi to precious stone and one of the most sought after throughout history. It is highly regarded for its beautiful blue color flecked w...

Iolite most commonly occurs in shades of blue to gray, violet or indigo. It displays a visual property called “pleochroism,” which means that it ca...