M MineralystRock & Mineral Guide
Rock

Gabbro

Gabbro — reference photo

Gabbro is a rock. It has a Mohs hardness of 6-7 and dull to slightly glossy luster.

Gabbro properties

TypeRock
Mohs hardness6-7
LusterDull to slightly glossy
Typical colorsDark green to black, may have lighter mineral specks
FormationIntrusive igneous rock formed from the slow crystallization of magma beneath the Earth's surface
Rarity3 / 10

Mohs hardness 6–7 — hard

1 · Talc5 · Apatite10 · Diamond
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