Mohs hardness 6 rocks & minerals
Mohs hardness 6 is orthoclase feldspar — the boundary where a steel knife stops working as a scratch tool. Glass usually gives way.
Showing 121–240 of 1497 rocks (page 2 of 13).
- No imageBanded Serpentinecommonmineral · Mohs 2.5-5.5green, yellow-green, dark green
Baratoviteraremineral · Mohs 5-6colorless, white, pale pink- No imageBario-orthojoaquiniteraremineral · Mohs 5.5brown, yellow-brown, tan
- No imageBarioferriteraremineral · Mohs 6black, dark brown
- No imageBarioperovskiteraremineral · Mohs 5.5black, brown
- No imageBarroisiteraremineral · Mohs 5-6dark green, black, brownish-green
- No imageBarwooditeraremineral · Mohs 5-6dark red, brownish-red
Baryliteraremineral · Mohs 6.5white, colorless, yellowish
Basaltcommonigneous · Mohs 6black, dark gray, dark green- No imageBatievaite-(Y)raremineral · Mohs 5-6yellow, yellow-brown, brown
Batiferriteraremineral · Mohs 5-6black, brownish-black
Baveniteraremineral · Mohs 5.5white, colorless, yellowish- No imageBavsiiteraremineral · Mohs 5.5-6white, colorless, pale yellow
Baziriteraremineral · Mohs 6-6.5colorless, pale yellow
Bazziteraremineral · Mohs 6.5-7blue, blue-green, colorless
Bearthiteraremineral · Mohs 6.5colorless, white, pale pink
Bementiteraremineral · Mohs 6brown, yellowish-brown, reddish-brown
Benitoiteraremineral · Mohs 6-6.5blue, colorless, white
Berdesinskiiteraremineral · Mohs 6black
Berezanskiteraremineral · Mohs 6colorless, white, pinkish
Berliniteraremineral · Mohs 6.5colorless, white, gray
Bertossaiteraremineral · Mohs 5.5-6colorless, white, pink
Bertranditeuncommonmineral · Mohs 6-7colorless, white, pale yellow
Berylliteraremineral · Mohs 5-6white, colorless
Berylloniteraremineral · Mohs 5.5-6colorless, white, yellowish- No imageBiachellaiteraremineral · Mohs 5-6colorless, white, pale blue
Bicchuliteraremineral · Mohs 6white, colorless
Big Sur Jadeuncommonmineral · Mohs 6-6.5green, blue-green, olive
Biggs Jaspercommonmineral · Mohs 6.5-7tan, brown, cream
Bikitaiteraremineral · Mohs 6white, colorless, pink- No imageBisbee Turquoiseraremineral · Mohs 5-6blue, green, blue-green
Bismutocolumbiteraremineral · Mohs 5-6brown, black, yellowish-brown
Bismutotantaliteraremineral · Mohs 5.5yellowish-brown, 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 Jaspercommonmineral · Mohs 6.5-7black
Black Opalraregemstone · Mohs 5.5-6.5black, dark gray
Blatteriteraremineral · Mohs 6black, 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
Blue Amphibolecommonmineral · Mohs 5-6blue, blue-gray, lavender-blue- No imageBlue Chalcedonycommonmineral · Mohs 6.5-7blue, light blue, grayish blue
- No imageBlue Chertcommonmineral · Mohs 6.5-7blue, gray-blue, light blue
- 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 Silicified Coraluncommonfossil · Mohs 6.5-7blue, gray, white
Bluestonecommonsedimentary · Mohs 3-7blue, gray, bluish-gray- No imageBohseiteraremineral · Mohs 5.5white, colorless, yellowish
Bonaccorditeraremineral · Mohs 6dark brown, brownish black
Botswana Agatecommonmineral · Mohs 6.5-7gray, white, brown
Boulder Opaluncommongemstone · Mohs 5.5-6.5black, white, gray
Boweniteuncommonmineral · Mohs 2.5-5.5apple green, light green, yellowish green
Bracewelliteraremineral · Mohs 6-7dark brown, black
Brauniteuncommonmineral · Mohs 6-6.5black, brownish-black
Brazilian Agatecommonmineral · Mohs 6.5-7gray, white, brown
Brazilianiteuncommonmineral · Mohs 5.5yellow, yellow-green, colorless
Brecciacommonsedimentary · Mohs 3-7gray, brown, red
Brecciated Jaspercommonmineral · Mohs 6.5-7red, brown, yellow
Bredigiteraremineral · Mohs 5.5-6colorless, white, gray
Breithauptiteraremineral · Mohs 5.5copper-red, red-brown
Bridgmaniteraremineral · Mohs 6-6.5brown, yellow-brown
Britholite-(Ce)raremineral · Mohs 5.5brown, tan, reddish-brown
Britholite-(Y)raremineral · Mohs 5-5.5brown, yellow, gray
Bronzitecommonmineral · Mohs 5.5-6brown, bronze, greenish-brown
Brookiteuncommonmineral · Mohs 5.5-6reddish-brown, brown, black- No imageBrown Jaspercommonmineral · Mohs 6.5-7brown, tan, chocolate
Brownmilleriteraremineral · Mohs 5-6dark brown, brownish black
Bruneau Canyon Jasperuncommonmineral · Mohs 6.5-7brown, cream, tan
Bruneau Jasperuncommonfossil · Mohs 6.5-7red, brown, cream
Brunogeieriteraremineral · Mohs 5-6black- No imageBubblegum Agatecommonmineral · Mohs 6.5-7pink, white, translucent-pink
Buddingtoniteraremineral · Mohs 5.5white, colorless, gray
Bumblebee Jasperuncommonfossil · Mohs 6-7yellow, orange, black
Bunseniteraremineral · Mohs 5.5dark green, yellowish green- No imageBurnettiteraremineral · Mohs 6-7dark blue, blue-black
Burpaliteraremineral · Mohs 5.5colorless, white, pale yellow
Bussyite-(Ce)raremineral · Mohs 5-6yellow, yellowish-brown, brown
Bustamiteuncommonmineral · Mohs 5.5-6.5pink, reddish-pink, brownish-pink- No imageByruditeraremineral · Mohs 5.5colorless, white, gray
Bystriteraremineral · Mohs 5-6yellow, greenish-yellow
Bytowniteuncommonmineral · Mohs 6-6.5white, gray, yellowish- No imageCacotrichiteraremineral · Mohs 5-5.5yellow, golden-yellow, brown
Cafarsiteraremineral · Mohs 5-6dark brown, black, reddish-brown
Calciboriteraremineral · Mohs 6.5colorless, white, gray- No imageCalcio-olivineraremineral · Mohs 6white, colorless, gray
- No imageCalciocatapleiiteraremineral · Mohs 5.5-6white, yellowish, brownish
- No imageCalciosamarskiteraremineral · Mohs 5-6black, brownish-black
- No imageCalifornia Jadeuncommonmineral · Mohs 6.5green, yellow-green, white
- No imageCaliforniteuncommonmineral · Mohs 6.5green, yellow-green, white
Calzirtiteraremineral · Mohs 6dark brown, reddish-brown, black- No imageCamanchacaiteraremineral · Mohs 5-6dark green, black, brownish-green
Canasiteraremineral · Mohs 5-6yellow, yellowish-green, brownish
Cancriniteuncommonmineral · Mohs 5-6yellow, orange, white
Cancrisiliteraremineral · Mohs 5-6colorless, white, gray- No imageCantera Opalcommongemstone · Mohs 5.5-6.5orange, red, yellow
Cappelenite-(Y)raremineral · Mohs 6.5greenish-brown, brown, yellowish-brown- No imageCarbobystriteraremineral · Mohs 5-6colorless, white
Carboiriteraremineral · Mohs 5-6black, dark brown- No imageCarbokentbrooksiteraremineral · Mohs 5-6dark brown, reddish-brown
- No imageCarmichaeliteraremineral · Mohs 6.5-7brown, reddish-brown, black
Carneliancommonmineral · Mohs 6.5-7red, red-orange, brownish-red
Carpholiteuncommonmineral · Mohs 5-5.5straw-yellow, pale yellow, brownish yellow
Carrolliteraremineral · Mohs 4.5-5.5light steel-gray, white, iron-black
Cascanditeraremineral · Mohs 5-6pink, reddish-pink
Cassiteritecommonmineral · Mohs 6-7black, brown, reddish-brown
Catapleiiteuncommonmineral · Mohs 5.5-6colorless, white, yellow
Cattieriteraremineral · Mohs 5-6dark gray, grayish white- No imageCayalsite-(Y)raremineral · Mohs 6.5black, brownish-black, brown
Celsianraremineral · Mohs 6white, colorless, yellow
Cerianite-(Ce)raremineral · Mohs 6.5yellow, yellowish-brown, grayish-white
Cerite-(CeCa)raremineral · Mohs 5.5brown, reddish-brown, gray
Ceruleiteraremineral · Mohs 5-6blue, sky-blue, pale blue
Cesplumtantiteraremineral · Mohs 5-6colorless, white, pale yellow
Chalcedonycommonmineral · Mohs 6.5-7white, gray, blue- No imageChalcedony Geodecommonmineral · Mohs 6.5-7white, gray, blue
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