Rock Identifier
Epidote (Epidote (Ca2(Al,Fe)3(SiO4)3(OH))) — mineral
mineral

Epidote

Epidote (Ca2(Al,Fe)3(SiO4)3(OH))

AI-generated identification · may be incorrect

Hardness of 6-7 on the Mohs scale, distinct pistachio-green color, vitreous luster, and monoclinic crystal system with perfect cleavage.

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Physical properties

Hardness of 6-7 on the Mohs scale, distinct pistachio-green color, vitreous luster, and monoclinic crystal system with perfect cleavage.

Formation & geological history

Forms primarily through regional and contact metamorphism of igneous rocks and limestone, often found in hydrothermal veins.

Uses & applications

Primarily utilized as a mineral specimen for collectors and occasionally cut into cabochons for jewelry.

Geological facts

Epidote gets its name from the Greek word for 'increase,' referring to the base of its crystal being longer than one side.

Field identification & locations

Identified easily by its characteristic pistachio to yellowish-green color and prismatic crystal habit; commonly found in Austria, Pakistan, and the USA.