Aquamarine (multi) 8mm Star Cut Round - 15-16 Inch Color_Gray and much of the black

and much of the black Onyx on the market has been artificially colored

Amazonite has a long and illustrious history dating back to Mesopotamia

and most commonly found with black inclusions

Azurite in crystal form is extremely rare and expensive

Aquamarine (multi) 8mm Star Cut Round - 15-16 Inch Color_Gray and much of the blackAquamarine is a transparent to translucent stone ranging from cerulean blue to light blue in higher grades. In lower grades it can be transparent to opaque and is commonly light blue, green and yellow with white and gray inclusions. The name is the Latin term for water of the sea. Aquamarine was once thought to be the treasure of mermaids, as well as a lucky stone for sailors.