Onyx Sea Turtle chrysoprase A sea biscuit is a

A sea biscuit is a type of sand dollar that is an marine animal of the order Clypeastroida (class Echinoidea

scientifically known as Schorl

These pieces are polished into a bear shape

It is among the most abundant minerals and can be found on every continent

Onyx Sea Turtle chrysoprase A sea biscuit is aOnyx is a variety of chalcedony, an ultra small quartz crystalline mineral. Onyx is formed in layers if micro quartz and moganite, another quartz mineral. These pieces are black and white onyx from Mexico that has been carved and polished into a sea turtle. You will receive one piece from our current stock. All are of similar size and quality. Average Dimensions: 2. 5 L x 2. 25 W x 0. 75 H inches. Average Weight: 2. 4 ounces