M MineralystRock & Mineral Guide
Rock

Serpentine

Serpentine — reference photo

Serpentine is a rock with the chemical formula Mg3Si2O5(OH)4. It has a Mohs hardness of 2.5 - 4 and greasy to waxy luster.

Serpentine properties

TypeRock
Chemical formulaMg3Si2O5(OH)4
Mohs hardness2.5 - 4
LusterGreasy to waxy
Typical colorsGreen, yellow, black, brown, or white
FormationMetamorphic rock formed from the alteration of ultramafic rocks
Rarity4 / 10

Mohs hardness 2.5–4 — soft

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

Mineralyst

Wondering what you found?

Point your camera at any rock 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

SerpentiniteSerpentiniteShaleShaleSiltstoneSiltstoneSlateSlateSoapstoneSoapstoneTravertineTravertine