M MineralystRock & Mineral Guide
Mineral

Chlorite

Chlorite — reference photo

Chlorite is a mineral with the chemical formula Mg3Si4O10(OH)2·(Mg,Fe)3(OH)6. It has a Mohs hardness of 2-2.5 and greasy to pearly luster.

Chlorite properties

TypeMineral
Chemical formulaMg3Si4O10(OH)2·(Mg,Fe)3(OH)6
Mohs hardness2-2.5
LusterGreasy to Pearly
Typical colorsGreen, Black, Brown
FormationMetamorphic rocks, often found in schists and slates
Rarity4 / 10

Mohs hardness 2–2.5 — very soft

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

ChondroditeChondroditeChromiteChromiteChrysocollaChrysocollaChrysotileChrysotileCinnabarCinnabarColemaniteColemanite