Red-brown rocks & minerals
Red-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.
16 red-brown rocks and minerals in this encyclopedia.
Mahogany Obsidiancommonmineral · Mohs 5-6red-brown, black
Pyrrhotitecommonmineral · Mohs 3.5-4.5bronze, brown, red-brown
Red Jaspercommonmineral · Mohs 6.5-7red, red-brown, brick red
Red Sandstonecommonsedimentary · Mohs 6-7red, red-brown, rust- No imageAngarfiteraremineral · Mohs 2.5orange-brown, red-brown
- No imageBorisenkoiteraremineral · Mohs ~4.5red-brown, golden-brown, brown
- No imageFerrisepioliteraremineral · Mohs 2-2.5brown, red-brown
Grattarolaiteraremineral · Mohs 6brown, red brown
Jeanbandyiteraremineral · Mohs ~3.5brown orange, red brown, pale yellow
Lakargiiteraremineral · Mohs 8-9red brown, yellowish, almost clear
Magnesioneptuniteraremineral · Mohs 5-6dark brown, red-brown
Rodolicoiteraremineral · Mohs 5brown, red brown
Spessartine Garnetuncommongemstone · Mohs 6.5-7.5orange, red-orange, yellow-orange
Stillwellite-(Ce)raremineral · Mohs ~6.5red brown, pale pink
Thermaerogeniteraremineral · Mohs ~7brown, yellow-brown, red-brown- No imageVebleniteraremineral · Mohs 3red-brown
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