Gray brown rocks & minerals
Gray brown 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.
14 gray brown rocks and minerals in this encyclopedia.
Ankeritecommonmineral · Mohs 3.5-4white, yellow, brown
Yooperlitecommonigneous · Mohs 6gray, gray-brown
Bukoviteraremineral · Mohs 2gray brown, black
Cordylite-(Ce)raremineral · Mohs 4.5yellow, colorless, gray brown- No imageHakite-(Hg)raremineral · Mohs 3-4gray-brown
Keckiteraremineral · Mohs 4.5brown, gray brown, yellow brown
Kemmlitziteraremineral · Mohs 5.5colorless, gray brown, light brown
Kiddcreekiteraremineral · Mohs 4gray, gray brown
Manjiroiteraremineral · Mohs 7brownish gray, gray brown, dark brown gray
Newberyiteraremineral · Mohs 3-3.5colorless, gray brown, grayish
Northupiteuncommonmineral · Mohs 3.5-4brownish, colorless, gray
Plumbotelluriteraremineral · Mohs 2brown, gray, gray brown
Tadzhikite-(Ce)raremineral · Mohs 6gray brown, reddish brown
Troiliteuncommonmineral · Mohs 3.5-4.5bronze brown, gray brown
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