Aquamarine 10mm Round A Grade Beads - 15-16 Inch 6X8 Turquoise is one of the

Turquoise is one of the oldest known gemstones

This variation mixes Blue Tiger Eye with Yellow Tiger Eye to bring out the best of each of the two stones

they appear dark or black

Rhyolite is a volcanic

Black Opal is a naturally occurring variety of precious opal mined in Australia

Aquamarine 10mm Round A Grade Beads - 15-16 Inch 6X8 Turquoise is one of theAquamarine 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.