M MineralystRock & Mineral Guide
Gemstone

Peridot

Peridot — reference photo

Peridot is a gemstone with the chemical formula Mg2SiO4. It has a Mohs hardness of 6.5 - 7 and vitreous luster.

Peridot properties

TypeGemstone
Chemical formulaMg2SiO4
Mohs hardness6.5 - 7
LusterVitreous
Typical colorsOlive green to yellow-green
FormationFormed in volcanic rocks and as a result of crystallization in the Earth's mantle
Rarity6 / 10

Mohs hardness 6.5–7 — hard

1 · Talc5 · Apatite10 · Diamond
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