Epidote

Epidote is assigned the general formula Ca₂FeAl₂(Si₂O₇)(SiO₄)(O,OH)₂. This sample is from Untersulzbachtal, Salzburg, Austria. These samples are on display in the Smithsonian Museum of Natural History.

This sample about 9x9 cm and is from Green Monster mine, Prince of Wales Island, Alaska .

This sample is about 4x10 cm and is from Julie claim, Mineral County, Nevada.

The sample above is about 3x6 cm and is described as epidote with quartz. The sample at right is about 1x8 cm and the gem is 3.9 carats. The samples are from Untersulzbachtal, Salzburg, Austria.