Chemical formula
|
Ca 2 Fe 3+ Al 2 (Si 2 O 7 )(SiO 4 )O(OH) |
Crystalline System
|
Monoclinic |
Class
|
Silicates |
Origin | Minas Gerais, Brazil |
Size |
Medium: 3.00-4.00 cm Large: 4.00-5.00 cm |
Massive Moss Green Epidote.
For geologists, it is used as an indicator mineral to differentiate copper and epithermal porphyries of high and low sulfidation.
It is used exclusively for collection.
The piece you receive may differ slightly from the photo shown, since the minerals are natural and no pieces are identical. The size is approximate.