Reddish gray rocks & minerals

Reddish 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.

13 reddish gray rocks and minerals in this encyclopedia.

Anorthiteuncommon
mineral · Mohs 6-6.5white, colorless, gray
Hematitecommon
mineral · Mohs 5-6steel-gray, black, reddish-brown
Proustiterare
mineral · Mohs 2-2.5scarlet-red, vermilion, reddish gray
Alunitecommon
mineral · Mohs 3.5-4white, gray, yellowish gray
No image
Langisiterare
mineral · Mohs 6-6.5pink, reddish gray
Mansfielditerare
mineral · Mohs 3.5white, light gray, reddish gray
Metastibniterare
mineral · Mohs 2-3red, purple, purple gray
Miargyriteuncommon
mineral · Mohs 2.5steel gray, lead gray, blackish red
Ottemanniterare
mineral · Mohs ~2reddish gray
Petersenite-(Ce)rare
mineral · Mohs ~3light violet, light yellow, pink gray
Quadratiterare
mineral · Mohs 3gray, reddish gray
Rhodostanniterare
mineral · Mohs 4reddish gray
No image
Ruthenarseniterare
mineral · Mohs 6-6.5brown, brownish gray, reddish gray

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