Bluish black rocks & minerals

Bluish 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.

10 bluish black rocks and minerals in this encyclopedia.

Asbolaneuncommon
mineral · Mohs 5-6black, bluish black, dark gray
Chalcophaniteuncommon
mineral · Mohs 2.5black, bluish-black
Digeniteuncommon
mineral · Mohs 2.5-3dark blue, black, bluish black
Lithiophoritecommon
mineral · Mohs 3black, bluish black
Psilomelanecommon
mineral · Mohs 5-6black, bluish-black, gray
Pyrolusitecommon
mineral · Mohs 6-6.5black, bluish-black, dark gray
Rauviterare
mineralpurplish black, bluish black, brownish red
Umangiteuncommon
mineral · Mohs 2.5-3bluish black, dull iridescent purple
Umohoiterare
mineral · Mohs 2-3black, dark blue, bluish-black
Weissiterare
mineral · Mohs 2.5-3black, bluish black

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