Chrysoprase is a bright apple green, translucent stone, whose color often caused ancient jewelers to confuse it with Emerald. A cryptocrystalline C...

Rhodochrosite is a bubblegum pink to rose red stone, with occasional inclusions of creamy white and dark grey. A manganese carbonate material of th...

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...

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...

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...

Emerald is one of the four “precious” gemstones, the others being Diamond, Ruby and Sapphire. It is the green form of Beryl, colored by trace amoun...

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

Purple Garnet is a magenta to purple variety of the famous stone. Garnet has been used for adornment and spirituality by myriad cultures and civili...

Green Garnet can be among the most valuable of garnets, which come in a variety of colors. Occurring in sizes ranging from a grain of sand to the s...

Kunzite was named after a former Tiffany & Co. vice president, famed mineralogist and jeweler George Frederick Kunz, who first catalogued the s...