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.
21 bluish black rocks and minerals in this encyclopedia.
Glaucophanecommonmineral · Mohs 6blue, blue-gray, lavender
Psilomelanecommonmineral · Mohs 5-6black, bluish-black, gray
Pyrolusitecommonmineral · Mohs 2-6.5black, bluish-black, dark gray
Schorlcommonmineral · Mohs 7black, brownish black, greenish black
Uviteuncommonmineral · Mohs 7.5brown, green, yellow
Bogdanoviteraremineral · Mohs 4-4.5brown, bronze brown, bluish black
Chalcophaniteuncommonmineral · Mohs 2.5black, blue, bluish black
Corvusiteraremineral · Mohs 2.5-3brown, bluish black, greenish black
Foititeraremineral · Mohs ~7bluish black
Gahniteuncommonmineral · Mohs 7.5-8bluish green, grayish green, deep leek green
Geikieliteraremineral · Mohs 5-6bluish black, brownish black
Katophoriteraremineral · Mohs 5-6black, dark greenish black, bluish black
Lithiophoritecommonmineral · Mohs 2.5-3black, bluish black
Melanothalliteraremineral · Mohs 3black, bluish black, greenish black
Rauviteraremineralbluish black, brown red, orange
Roxbyiteraremineral · Mohs 2.5-3bluish black
Scainiiteraremineral · Mohs 2bluish black
Stalderiteraremineral · Mohs 3.5-4black, reddish black, bluish black
Umohoiteraremineral · Mohs 2black, bluish black, dark green
Weissiteraremineral · Mohs 3black, bluish black, dark blue black
Wicksiteraremineral · Mohs 4.5-5bluish black, dark blue, black
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