M719 - Zoisite with Corundum Ruby Sphere, Brazil.

Basic calcium aluminum silicate, often with some iron and manganese;
epidote group. Hardness 6 to 6-1/2. Beautifully polished dark green
Zoisite with some darker, almost black, streaking. Good contrast. Brazil. Used as a semi-precious gemstone.

From  Brazil.

Price:   $ 26.50 each