Sea Biscuit cut base These pieces are polished into

These pieces are polished into a Angel

Opalite is a man-made from glass and natural additives such as dolomite

The iridescence is caused by the unique crystal structure in the layers of aragonite that make up the shell and how it reflects light

fossils found primarily in Russia

Vasonite is typically green but also can be found as green

Sea Biscuit cut base These pieces are polished intoA sea biscuit is a type of sand dollar that is an marine animal of the order Clypeastroida (class Echinoidea, phylum Echinodermata). They are close relatives of sea urchins and heart urchins. Sea biscuits are less flattened and more rounded than a sand dollar. You will receive the exact item pictured. Dimensions: 2. 25 L x 1. 75 W x 1 H inches Weight: 0. 14 pounds