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.
25 red-brown rocks and minerals in this encyclopedia.
Ardennite-(As)raremineral · Mohs 6-7yellow-brown, brown, red-brown- No imageBorisenkoiteraremineral · Mohs 4red-brown, golden-brown, brown
Breithauptiteraremineral · Mohs 5.5copper-red, red-brown
Caryopiliteraremineral · Mohs 3-4brown, yellow-brown, red-brown
Feroxyhyteraremineral · Mohs 2red-brown, brown
Frondeliteraremineral · Mohs 3.5-4yellow, brown, orange-brown- No imageGjerdingenite-Mnraremineral · Mohs 5brown, yellow-brown, red-brown
- No imageHydroxylclinohumiteraremineral · Mohs 6yellow, orange-yellow, brown
Jamesiteraremineral · Mohs 4-5red-brown
Kuzmenkoite-Mnraremineral · Mohs 5yellow, brown, orange
Kuznetsoviteraremineral · Mohs 3.5dark red, red-brown, orange-red
Ludlockiteraremineral · Mohs 1.5-2orange-red, red-brown, yellow-orange
Mahogany Obsidiancommonmineral · Mohs 5-6red-brown, black
Pyrrhotitecommonmineral · Mohs 3.5-4.5bronze, brown, red-brown
Rappolditeraremineral · Mohs 4.5red, red-brown
Red Jaspercommonmineral · Mohs 6.5-7red, red-brown, brick red
Red Sandstonecommonsedimentary · Mohs 6-7red, red-brown, rust
Rosemaryiteraremineral · Mohs 4brown, yellow-brown, red-brown
Schumacheriteraremineral · Mohs 2yellow, yellow-brown, red-brown
Seidozeriteraremineral · Mohs 4-5yellow, brown, red-brown
Spessartine Garnetuncommongemstone · Mohs 6.5-7.5orange, red-orange, yellow-orange
Thermaerogeniteraremineral · Mohs 7.5-8brown, yellow-brown, red-brown- No imageUranopolycraseraremineral · Mohs 5.5-6.5red-brown
- No imageVebleniteraremineral · Mohs 3red-brown
Wiseriteraremineral · Mohs 2.5yellow, brown, red-brown
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