M MineralystRock & Mineral Guide
Mineral

Microcline

Microcline — reference photo

Microcline is a mineral with the chemical formula KAlSi3O8. It has a Mohs hardness of 6 and vitreous to pearly luster.

Microcline properties

TypeMineral
Chemical formulaKAlSi3O8
Mohs hardness6
LusterVitreous to pearly
Typical colorsTypically green, but can also be white, pink, or reddish
FormationIgneous and metamorphic environments, often found in granites and pegmatites
Rarity4 / 10

Mohs hardness 6 — fairly hard

1 · Talc5 · Apatite10 · Diamond
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