Mohs hardness 7 rocks & minerals
Mohs hardness 7 is quartz — the practical line between rocks that scratch glass easily and rocks that don't. Most gem-grade silicates start here.
Showing 361–480 of 778 rocks (page 4 of 7).
- No imageIridosmineraremineral · Mohs 6-7tin-white, silver-white, gray
- No imageIrinarassiteraremineral · Mohs 6-7yellow, brown
Iris Agateraremineral · Mohs 6.5-7colorless, white, gray
Iron Orecommonmineral · Mohs 5-6.5red, black, brown
Itacolumiteuncommonsedimentary · Mohs 6-7yellow, brown, tan- No imageItoigawaiteraremineral · Mohs 6-6.5green, pale green, yellowish-green
- No imageIwateiteraremineral · Mohs 6-6.5yellow, brown
Jadecommonmineral · Mohs 6-7green, white, lavender
Jadeiteraremineral · Mohs 6.5-7green, white, lavender- No imageJasp-Agatecommonmineral · Mohs 6.5-7red, yellow, brown
Jaspercommonmineral · Mohs 6.5-7red, yellow, brown- No imageJasperized Dinosaur Bonecommonfossil · Mohs 6.5-7red, brown, yellow
Jaspilitecommonsedimentary · Mohs 6-7red, gray, silver
Jeremejeviteraremineral · Mohs 6.5-7colorless, pale blue, yellow
Johachidoliteraremineral · Mohs 7.5colorless, white, yellowish- No imageKambaba Jaspercommonfossil · Mohs 6.5-7green, black
Kannaniteraremineral · Mohs 7-7.5blue, blue-green, green
Kanonaiteraremineral · Mohs 6.5-7.5dark green, brownish green, black- No imageKarenwebberiteraremineral · Mohs 6.5-7yellow-brown, brown
Keokuk Geodecommonmineral · Mohs 7clear, white, gray- No imageKerimasiteraremineral · Mohs 6.5-7black
Keweenaw Agatecommonmineral · Mohs 6.5-7red, orange, white- No imageKhmaraliteraremineral · Mohs 7-7.5dark blue, greenish-blue, dark green
Khristovite-(Ce)raremineral · Mohs 6-7brown, yellowish-brown- No imageKhvoroviteraremineral · Mohs 7yellow, brown, reddish-brown
- No imageKimseyiteraremineral · Mohs 7dark brown, black
Kimzeyiteraremineral · Mohs 7dark brown, black, reddish brown- No imageKlöchiteraremineral · Mohs 7dark brown, black
- No imageKnife River Flintuncommonmineral · Mohs 6.5-7brown, dark brown, yellowish-brown
- No imageKnorringiteraremineral · Mohs 7-7.5dark green, emerald green
- No imageKolfaniteraremineral · Mohs 6.5-7.5yellow, brown, reddish-brown
Kornerupineraremineral · Mohs 6.5-7green, yellowish-green, brown
Kosmochlorraremineral · Mohs 6-6.5emerald-green, dark green
Kotoiteraremineral · Mohs 6.5white, gray, yellow
Krinoviteraremineral · Mohs 6-7dark green, emerald green
Kunziteuncommongemstone · Mohs 6.5-7pink, violet, lilac- No imageKuratiteraremineral · Mohs 6-7black, dark brown
- No imageKushiroiteraremineral · Mohs 6-7green, dark green, black
Kyanitecommonmineral · Mohs 4.5-7blue, colorless, white- No imageKyanite Bladescommonmineral · Mohs 4.5-7blue, white, gray
- No imageLaachitecommonmineral · Mohs 7colorless, white, milky
Labradoritecommonmineral · Mohs 6-6.5gray, gray-green, blue
Laguna Agateuncommonmineral · Mohs 6.5-7red, orange, yellow- No imageLake County Diamondcommonmineral · Mohs 7colorless
Lake Superior Agatecommonmineral · Mohs 6.5-7red, orange, yellow
Långbaniteraremineral · Mohs 6-6.5black, iron-black- No imageLas Choyas Coconut Geodecommonmineral · Mohs 7white, clear, purple
Lauriteraremineral · Mohs 7-7.5iron-black, grayish-black- No imageLavic Jaspercommonmineral · Mohs 6.5-7red, brown, tan
Lavinskyiteraremineral · Mohs 6-6.5deep blue, violet-blue
Lavoisieriteraremineral · Mohs 6-7dark brown, reddish-brown
Lechatelieriteuncommonmineral · Mohs 5.5-6.5colorless, white, gray
Lehmanniteraremineral · Mohs 7.5-8yellow, golden- No imageLeopard Skin Jaspercommonmineral · Mohs 6.5-7brown, tan, black
Leoparditecommonmineral · Mohs 6-7white, cream, brown
Levantitecommonmineral · Mohs 6.5-7white, gray, brown
Libyan Desert Glassraremineral · Mohs 6-7yellow, milky white
Liddicoatiteraremineral · Mohs 7-7.5pink, red, green
Liebenbergiteraremineral · Mohs 6.5-7yellow, yellow-green, brown- No imageLiebermanniteraremineral · Mohs 6-7black
- No imageLimb Castcommonfossil · Mohs 7clear, white, gray
Lindsleyiteraremineral · Mohs 6-7black- No imageLipuiteraremineral · Mohs 6.5-7.5reddish-brown, brown, black
- No imageLisitsyniteraremineral · Mohs 6.5colorless, white
- No imageLithium Quartzcommonmineral · Mohs 7pink, lavender, white
- No imageLiuiteraremineral · Mohs 6-7silver-white, gray
Llaniterareigneous · Mohs 6-7brown, reddish-brown, gray
Lodestonecommonmineral · Mohs 5.5-6.5black, iron-black
Lonsdaleiteraremineral · Mohs 7-8yellow, brown, gray
Loveringiteraremineral · Mohs 6-7black, brownish-black
Lucchesiiteraremineral · Mohs 7black, brown- No imageLuogufengiteraremineral · Mohs 6-6.5black, brownish-black
Magnesio-foititeraremineral · Mohs 7blue, violet, black
Magnesiochloritoidraremineral · Mohs 6.5dark green, black, gray- No imageMagnesiocoulsoniteraremineral · Mohs 5.5-6.5black
- No imageMagnesiodumortieriteraremineral · Mohs 7blue, violet, pink
Magnesioferriteuncommonmineral · Mohs 6-6.5black- No imageMagnesiohögbomite-2N2Sraremineral · Mohs 6-7brown, reddish-brown, black
- No imageMagnesiohögbomite-2N3Sraremineral · Mohs 6-7dark brown, black, reddish-brown
- No imageMagnesiohögbomite-2N4Sraremineral · Mohs 6-7dark brown, black, reddish-brown
Magnesiostauroliteraremineral · Mohs 7-7.5reddish-brown, brown, yellow-brown- No imageMagnesiovesuvianiteraremineral · Mohs 6.5brown, green, yellow
Magnetitecommonmineral · Mohs 5.5-6.5black, iron-black
Majoriteraremineral · Mohs 7.5purple, violet, black
Makarochkiniteraremineral · Mohs 6-7dark brown, black- No imageMaleeviteraremineral · Mohs 6.5-7colorless, white, pale yellow
Mali Garnetuncommongemstone · Mohs 6.5-7.5yellow, green, brown- No imageManaevite-(Ce)raremineral · Mohs 6-7brown, dark brown
Mandarin Garnetraregemstone · Mohs 7-7.5orange, reddish-orange
Manganhumiteraremineral · Mohs 6-6.5yellow, yellowish-brown, brown
Manganiakasakaite-(La)raremineral · Mohs 6-7black, brownish-black- No imageManganiandrosite-(Ce)raremineral · Mohs 6-6.5brown, black
- No imageManganiandrosite-(La)raremineral · Mohs 6-7black, brownish-black
Manganvesuvianiteraremineral · Mohs 6.5red, pink, brown
Manjiroiteraremineral · Mohs 6-6.5black, brownish black
Marcasitecommonmineral · Mohs 6-6.5pale brass-yellow, tin-white, gray
Marokiteraremineral · Mohs 6.5black, dark brown
Martitecommonmineral · Mohs 5.5-6.5black, dark gray- No imageMaruyamaiteraremineral · Mohs 7pale yellow, yellowish-brown
Mary Ellen Jaspercommonfossil · Mohs 6.5-7red, brown, black
Mathiasiteraremineral · Mohs 6-7black- No imageMatrix Opalcommongemstone · Mohs 5.5-6.5multicolored, brown, black
Meieraniteraremineral · Mohs 7-7.5yellow, brown
Melaniteuncommonmineral · Mohs 6.5-7black, dark brownish-black
Melanophlogiteraremineral · Mohs 6-6.5colorless, white, yellow
Melanotekiteraremineral · Mohs 6.5black, brownish-black- No imageMengeiteraremineral · Mohs 7.5black, brown
- No imageMenzerite-(Y)raremineral · Mohs 7-7.5brown, black
Meteoritesrareigneous · Mohs 5-8black, brown, gray
Mexican Lace Agatecommonmineral · Mohs 6.5-7white, red, orange
Mexican Opaluncommongemstone · Mohs 5.5-6.5orange, red, yellow
Migmatitecommonmetamorphic · Mohs 5-7black, white, gray
Milanriederiteraremineral · Mohs 6.5yellow, brown
Milky Quartzcommonmineral · Mohs 7white, milky white- No imageMogoviditeraremineral · Mohs 7black, brown
- No imageMojaveitecommonmineral · Mohs 6.5-7red, brown, tan
Momoiiteraremineral · Mohs 7-7.5yellow-green, emerald-green, yellowish-brown- No imageMontana Agatecommonmineral · Mohs 6.5-7yellow, orange, brown
Montana Moss Agatecommonmineral · Mohs 6.5-7clear, white, gray
Monteneveiteraremineral · Mohs 7dark red, brownish-red
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