M MineralystRock & Mineral Guide
Mineral

Epidote

Epidote — reference photo

Epidote is a mineral with the chemical formula Ca2(Al,Fe)2Si3O12(OH). It has a Mohs hardness of 6 - 7 and vitreous to resinous luster.

Epidote properties

TypeMineral
Chemical formulaCa2(Al,Fe)2Si3O12(OH)
Mohs hardness6 - 7
LusterVitreous to Resinous
Typical colorsGreen, Yellow-green, Brown
FormationMetamorphic rocks, often in association with other minerals
Rarity5 / 10

Mohs hardness 6–7 — hard

1 · Talc5 · Apatite10 · Diamond
Identifying a mineral with the Mineralyst app

Mineralyst

Wondering what you found?

Point your camera at any mineral and Mineralyst identifies it in seconds — with guided follow-up questions for a confident answer.

  • Build a collection
  • Keep a wish list
  • 5 photos per find
  • Share with friends

Related rocks & minerals

FluoriteFluoriteGalenaGalenaGarnetGarnetGibbsiteGibbsiteGoethiteGoethiteGraphiteGraphite