M MineralystRock & Mineral Guide
Rock

Amphibolite

Amphibolite — reference photo

Amphibolite is a rock. It has a Mohs hardness of 5-6 and dull to slightly glossy luster.

Amphibolite properties

TypeRock
Mohs hardness5-6
LusterDull to slightly glossy
Typical colorsTypically dark green, black, or gray
FormationMetamorphic rock formed from the alteration of basalt or gabbro under medium to high grade conditions
Rarity6 / 10

Mohs hardness 5–6 — fairly hard

1 · Talc5 · Apatite10 · Diamond
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