Aquamarine 15mm A Grade Coin Cabochon 13x38mm Malachite is a copper carbonate

Malachite is a copper carbonate with a bright green color and dark green banding

though treated stones have more potassium in them than before

a calcium aluminum phosphate mineral

The charm measures 6mm not including the loop

Aquamarine 15mm A Grade Coin Cabochon 13x38mm Malachite is a copper carbonateAquamarine 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. Sold individually. These cabochons are all unique and vary in colors and