Mohs hardness 9 rocks & minerals
Mohs hardness 9 is corundum (ruby and sapphire). Only diamond reliably scratches it.
50 rocks and minerals fall around Mohs 9 in this encyclopedia.
Alexandriteraregemstone · Mohs 8.5emerald green, red, purplish-red- No imageBahianiteraremineral · Mohs 8.5yellow, yellowish-brown, colorless
- No imageBlue Corundumuncommongemstone · Mohs 9blue, violet-blue, greenish-blue
Blue Dumortieriteuncommonmineral · Mohs 7-8.5blue, violet-blue, reddish-brown
Blue Sapphirecommongemstone · Mohs 9blue, violet-blue, greenish-blue
Bromelliteraremineral · Mohs 9white, colorless- No imageBrown Sapphirecommongemstone · Mohs 9brown, golden brown, reddish brown
Carmeltaziteraremineral · Mohs 8.5-9black, blue, green
Cat's Eye Chrysoberylraregemstone · Mohs 8.5yellow, greenish-yellow, brownish-green
Chrysoberyluncommonmineral · Mohs 8.5yellow, yellow-green, brown
Corundumcommonmineral · Mohs 9colorless, red, blue
Dumortieriteuncommonmineral · Mohs 7-8.5blue, violet-blue, reddish-brown
Emerycommonmineral · Mohs 8-9dark gray, black, brownish-black
Eskolaiteraremineral · Mohs 8.5emerald green, dark green, blackish green
Ferronigerite-2N1Sraremineral · Mohs 8-9brown, black, yellowish-brown- No imageFerronigerite-6N6Sraremineral · Mohs 8-9brown, reddish-brown
- No imageGemstonesuncommongemstone · Mohs 1-10various
- No imageGreen Sapphirecommongemstone · Mohs 9green, yellow-green, blue-green
Khamrabaeviteraremineral · Mohs 8-9gray, silver-gray
Kummeriteraregemstone · Mohs 9pink, violet, lavender- No imageMagnesionigerite-2N1Sraremineral · Mohs 8-9brown, reddish-brown, black
- No imageMagnesionigerite-6N6Sraremineral · Mohs 8-9brown, black, yellowish-brown
- No imageMagnesiotaaffeite-2N’2Sraregemstone · Mohs 8-8.5colorless, lavender, mauve
Magnesiotaaffeite-6N’3Sraregemstone · Mohs 8-8.5colorless, lavender, mauve
Maohokiteraremineral · Mohs 8-9dark green, black
Mariinskiteraremineral · Mohs 8.5green, emerald-green
Moissaniteraremineral · Mohs 9.25colorless, green, blue- No imageNieriteraremineral · Mohs 9gray, black, blue
Niobocarbideraremineral · Mohs 8-9gray, yellowish-gray- No imageOsborniteraremineral · Mohs 8-9gold, yellow
Padparadscha Sapphireraregemstone · Mohs 9pinkish-orange, orangey-pink, salmon
Pink Corundumuncommongemstone · Mohs 9pink, magenta- No imagePink Dumortieriteraremineral · Mohs 7-8.5pink, reddish-pink, violet-pink
Pink Sapphireraregemstone · Mohs 9pink- No imageQingsongiteraremineral · Mohs 9.5-10dark green, black, brownish
- No imageQusongiteraremineral · Mohs 8.5-9silver-gray
Rubyraregemstone · Mohs 9red
Sapphirecommongemstone · Mohs 9blue, yellow, pink
Star Rubyraregemstone · Mohs 9red, purplish-red, pinkish-red
Star Sapphireraregemstone · Mohs 9blue, gray, violet
Tantalcarbideraremineral · Mohs 9-10gray, gray, black
Tistariteraremineral · Mohs 9blue, colorless, gray
Tongbaiteraremineral · Mohs 8-9white, gray- No imageWhite Corundumuncommonmineral · Mohs 9white, colorless
- No imageWhite Sapphirecommongemstone · Mohs 9white, colorless
White Star Corundumuncommongemstone · Mohs 9white, colorless- No imageXieiteraremineral · Mohs 8.5dark brown, black
Yellow Sapphireuncommongemstone · Mohs 9yellow, golden, canary
Zinconigerite-2N1Sraremineral · Mohs 8-9brown, reddish brown- No imageZinconigerite-6N6Sraremineral · Mohs 8-9brown, reddish-brown
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