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 1–120 of 778 rocks around Mohs 7.
Abswurmbachiteraremineral · Mohs 6.5black- No imageAchalaiteraremineral · Mohs 6-6.5black, brownish-black
Achondriterareigneous · Mohs 5-7gray, brown, black
Achyrophaniteraremineral · Mohs 6.5-7.5dark brown, brownish-red- No imageAdachiiteraremineral · Mohs 7dark green, dark brown, black
- No imageAddibischoffiteraremineral · Mohs 7-7.5deep red, brownish-red
- No imageAdrianiteraremineral · Mohs 6.5-7.5red, brown, orange
Agatecommonmineral · Mohs 6.5-7white, gray, blue- No imageAgate Nodulescommonmineral · Mohs 6.5-7banded, white, gray
- No imageAgatized Algaecommonfossil · Mohs 6.5-7brown, red, tan
- No imageAgatized Clamscommonfossil · Mohs 6.5-7white, gray, brown
- No imageAgatized Coralcommonfossil · Mohs 6.5-7white, gray, pink
- No imageAgatized Cyad Woodcommonfossil · Mohs 6.5-7brown, red, white
- No imageAgatized Cycad Wooduncommonfossil · Mohs 6.5-7brown, tan, gray
Agatized Dinosaur Boneuncommonfossil · Mohs 6.5-7red, brown, tan- No imageAgatized Fern Budsuncommonfossil · Mohs 6.5-7brown, tan, gray
- No imageAgatized Fossil Shellscommonfossil · Mohs 6.5-7white, brown, red
Agatized Fossilscommonfossil · Mohs 6.5-7brown, red, yellow- No imageAgatized Limb Castsuncommonfossil · Mohs 6.5-7brown, red, yellow
- No imageAgatized Palm Woodcommonfossil · Mohs 6.5-7brown, tan, gray
- No imageAgatized Picture Woodcommonfossil · Mohs 6.5-7brown, tan, black
Agatized Woodcommonfossil · Mohs 6.5-7brown, red, yellow- No imageAkimotoiteraremineral · Mohs 7-8dark brown, black
Albitecommonmineral · Mohs 6-6.5white, colorless, gray
Alibates Flintuncommonfossil · Mohs 6.5-7red, white, blue
Allanite-(Ce)uncommonmineral · Mohs 5.5-6.5black, brown, reddish-brown
Almandinecommonmineral · Mohs 7-7.5dark red, reddish-brown, brownish-black- No imageAlmandine Garnetcommonmineral · Mohs 7-7.5red, brownish-red, deep red
- No imageAlmanditecommonmineral · Mohs 7-7.5dark red, brownish red, violet red
Aluminosugiliteraremineral · Mohs 6-6.5pink, violet, reddish-purple- No imageAmber Quartzcommonmineral · Mohs 7yellow, orange, brownish-yellow
Amethystcommongemstone · Mohs 7purple, violet, lavender
Amethyst Geodecommonmineral · Mohs 7purple, violet
Ametrineuncommongemstone · Mohs 7yellow, purple, violet
Andalusitecommonmineral · Mohs 7.5reddish-brown, brown, pink
Andesinecommonmineral · Mohs 6-6.5white, gray, greenish
Andesitecommonigneous · Mohs 6-7gray, dark gray, brownish-gray
Andraditecommonmineral · Mohs 6.5-7.5black, brown, green
Andradite Garnetcommonmineral · Mohs 6.5-7.5brown, green, yellow
Aqualiteraremineral · Mohs 6-7yellow, yellowish-brown
Aquamarineuncommongemstone · Mohs 7.5-8blue, blue-green, green-blue- No imageAraditeraremineral · Mohs 6-7reddish-brown, brown, black
Ardennite-(As)raremineral · Mohs 6-7yellow-brown, brown, red-brown
Ardennite-(V)raremineral · Mohs 6-7yellow, brown, reddish-brown- No imageArganditeraremineral · Mohs 7yellow, brownish-yellow, orange-yellow
Argutiteraremineral · Mohs 6-7black, dark brown- No imageArizona Ruby Garnetcommongemstone · Mohs 7-7.5red, deep red
Arkosecommonsedimentary · Mohs 6-7pink, gray, tan
Armeniteraremineral · Mohs 6.5colorless, white, light green
Arrowheadscommonfossil · Mohs 6.5-7white, gray, brown- No imageÅskagenite-(Nd)raremineral · Mohs 6.5black, brown
- No imageAtelisite-(Y)raremineral · Mohs 6-7yellow, brown, black
Augen Gneisscommonmetamorphic · Mohs 5-7gray, pink, white
Aventurinecommongemstone · Mohs 6.5-7green, red, brown
Axiniteuncommonmineral · Mohs 6.5-7brown, violet-brown, plum-blue
Axinite-(Fe)uncommonmineral · Mohs 6.5-7clove-brown, plum-blue, honey-brown
Axinite-(Mg)raremineral · Mohs 6.5-7brown, violet, yellow
Axinite-(Mn)uncommonmineral · Mohs 6.5-7clove-brown, brown, yellow-brown- No imageBadakhshanite-(Y)raremineral · Mohs 6.5-7.5black, brown
- No imageBadaloviteraremineral · Mohs 7-7.5dark brown, reddish-brown
Baddeleyiteuncommonmineral · Mohs 6.5black, brown, yellow- No imageBalmorhea Blue Agateuncommonmineral · Mohs 6.5-7blue, gray, white
Banded Agatecommonmineral · Mohs 6.5-7white, gray, blue
Banded Iron Formationcommonsedimentary · Mohs 5-7red, gray, black- No imageBanded Opalcommonmineral · Mohs 5.5-6.5white, gray, brown
Baryliteraremineral · Mohs 6.5white, colorless, yellowish
Baziriteraremineral · Mohs 6-6.5colorless, pale yellow
Bazziteraremineral · Mohs 6.5-7blue, blue-green, colorless
Bearthiteraremineral · Mohs 6.5colorless, white, pale pink- No imageBederiteraremineral · Mohs 7-7.5yellow, yellowish-brown
Béhieriteraremineral · Mohs 7.5colorless, white, pale pink
Benitoiteraremineral · Mohs 6-6.5blue, colorless, white
Berliniteraremineral · Mohs 6.5colorless, white, gray
Bertranditeuncommonmineral · Mohs 6-7colorless, white, pale yellow
Berylcommonmineral · Mohs 7.5-8colorless, green, blue
Big Sur Jadeuncommonmineral · Mohs 6-6.5green, blue-green, olive
Biggs Jaspercommonmineral · Mohs 6.5-7tan, brown, cream
Binghamiteraremineral · Mohs 7red, brown, gold- No imageBitikleiteraremineral · Mohs 7-7.5dark brown, black
Bixbyiteraremineral · Mohs 6-6.5black
Bixbyite-(Mn)raremineral · Mohs 6-6.5black- No imageBlack Agatecommonmineral · Mohs 6.5-7black, dark gray
- No imageBlack Chertcommonmineral · Mohs 6.5-7black, dark gray
- No imageBlack Flintcommonmineral · Mohs 7black, dark gray
- No imageBlack Jaspercommonmineral · Mohs 6.5-7black
Black Opalraregemstone · Mohs 5.5-6.5black, dark gray- No imageBlack Tourmalinecommonmineral · Mohs 7-7.5black, brownish-black
Bloodstonecommonmineral · Mohs 6.5-7green, red- No imageBlue Agatecommonmineral · Mohs 6.5-7blue, white, gray
- No imageBlue Agate Geodecommonmineral · Mohs 6.5-7blue, white, gray
- No imageBlue Berylcommongemstone · Mohs 7.5-8blue, blue-green, light blue
- No imageBlue Chalcedonycommonmineral · Mohs 6.5-7blue, light blue, grayish blue
- No imageBlue Chertcommonmineral · Mohs 6.5-7blue, gray-blue, light blue
Blue Dumortieriteuncommonmineral · Mohs 7-8.5blue, violet-blue, reddish-brown- No imageBlue Jaspercommonmineral · Mohs 6.5-7blue, gray-blue, dark blue
- No imageBlue Kyanitecommonmineral · Mohs 4.5-7blue, light blue, deep blue
Blue Lace Agatecommonmineral · Mohs 6.5-7blue, white- No imageBlue Moonstonecommongemstone · Mohs 6-6.5blue, white, colorless
Blue Quartzcommonmineral · Mohs 7blue, grayish-blue, lavender-blue
Blue Silicified Coraluncommonfossil · Mohs 6.5-7blue, gray, white
Bluestonecommonsedimentary · Mohs 3-7blue, gray, bluish-gray
Boraciteuncommonmineral · Mohs 7-7.5colorless, white, gray- No imageBoralsiliteraremineral · Mohs 7colorless, white
- No imageBoromulliteraremineral · Mohs 7white, colorless, gray
Bosiiteraremineral · Mohs 7dark red, brownish red
Botswana Agatecommonmineral · Mohs 6.5-7gray, white, brown
Boulder Opaluncommongemstone · Mohs 5.5-6.5black, white, gray
Bracewelliteraremineral · Mohs 6-7dark brown, black
Brauniteuncommonmineral · Mohs 6-6.5black, brownish-black
Brazilian Agatecommonmineral · Mohs 6.5-7gray, white, brown
Brazilian Geodecommonmineral · Mohs 7purple, white, clear
Brecciacommonsedimentary · Mohs 3-7gray, brown, red
Brecciated Jaspercommonmineral · Mohs 6.5-7red, brown, yellow
Breyiteraremineral · Mohs 7-7.5colorless, white
Bridgmaniteraremineral · Mohs 6-6.5brown, yellow-brown- No imageBrown Jaspercommonmineral · Mohs 6.5-7brown, tan, chocolate
- No imageBrown Tourmalinecommonmineral · Mohs 7-7.5brown, dark brown, yellowish-brown
- No imageBrown Zirconcommongemstone · Mohs 7.5brown, reddish-brown, yellowish-brown
Bruneau Canyon Jasperuncommonmineral · Mohs 6.5-7brown, cream, tan
Bruneau Jasperuncommonfossil · Mohs 6.5-7red, brown, cream
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