JDMISGem Reference
Epidote group (with clinozoisite, zoisite, piemontite, allanite) · Epidote

Epidote

Epidote — Epidote

Pistachio-green, strongly trichroic epidote is a affordable collector stone, usually cut in long ovals under 5 carats. RI 1.73-1.77, negative optic sign and the strong 455 nm iron band identify it at the bench. A component of unakite and of many Alpine-type veins.

Colour
yellow
Transparency
Transparent
RI
1.729–1.768
SG
3.25–3.50
Mohs
6.0–7.0
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