Blue black rocks & minerals

Blue black 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.

12 blue black rocks and minerals in this encyclopedia.

Chalcocitecommon
mineral · Mohs 2.5-3lead-gray, black, tarnish-blue
Alvaniterare
mineral · Mohs 3-3.5bluish green, blue black, black
Barianditerare
mineral · Mohs 2-3blue black
Cuprobismutiterare
mineral · Mohs 3.5blue black, gray, dark blue black
Djurleiteuncommon
mineral · Mohs 2.5-3lead gray, blue black, black
Fluoro-riebeckiteuncommon
mineral · Mohs 5-6blue, dark blue, blue-black
Greigiteuncommon
mineral · Mohs 4-4.5blue, blue black, bronze
Groutiterare
mineral · Mohs 3.5-4blue black
Ilsemanniteuncommon
mineral · Mohs 5.5-6blue, blue black, black
Klockmanniterare
mineral · Mohs 2-3blue black, grayish black, dark gray
No image
Potassic-arfvedsoniterare
mineral · Mohs 5-6dark green, black, blue-black
Umangiteuncommon
mineral · Mohs 3blue black, brownish black, red violet

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