Bluish-gray rocks & minerals

Bluish-gray rocks and minerals share this color due to specific trace elements, chemical bonds, or structural defects. Color alone rarely settles an identification — use it with hardness, luster, and streak.

11 bluish-gray rocks and minerals in this encyclopedia.

Anorthositecommon
igneous · Mohs 6white, gray, bluish-gray
Blueschistcommon
metamorphicblue, bluish-gray, blue-green
Bluestonecommon
sedimentary · Mohs 3-7blue, gray, bluish-gray
Boulangeriteuncommon
mineral · Mohs 2.5-3lead-gray, bluish-gray
Clausthaliterare
mineral · Mohs 2.5-3lead-gray, bluish-gray
Guanajuatiterare
mineral · Mohs 2.5lead-gray, bluish-gray
Holmquistiterare
mineral · Mohs 5-6violet, lavender, dark blue
Kimberliteuncommon
igneous · Mohs 3-5dark gray, bluish gray, greenish gray
Klockmanniterare
mineral · Mohs 2-3slate-gray, bluish-gray
Lawsoniteuncommon
mineral · Mohs 8colorless, white, bluish-gray
Molybdenitecommon
mineral · Mohs 1-1.5lead-gray, bluish-gray

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