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 1321–1440 of 1497 rocks (page 12 of 13).
- No imageTakanawaite-(Y)raremineral · Mohs 5-6yellow, brown, white
Takéuchiiteraremineral · Mohs 5.5orange, red-brown- No imageTamaiteraremineral · Mohs 6brown, yellow-brown, orange-brown
Taneyamaliteraremineral · Mohs 6yellowish-brown, brown, orange-brown
Tantalaeschynite-(Y)raremineral · Mohs 5-6black, brownish-black
Tantaliteuncommonmineral · Mohs 6black, brownish-black, reddish-brown
Tantalite-(Fe)uncommonmineral · Mohs 6-6.5black, brownish-black- No imageTantalite-(Mg)raremineral · Mohs 6brown, black
Tantalite-(Mn)uncommonmineral · Mohs 6black, brown, reddish-brown
Tantalowodginiteraremineral · Mohs 5-6black, brownish-black
Tanteuxenite-(Y)raremineral · Mohs 5.5black, brownish-black
Tanzaniteraregemstone · Mohs 6.5-7blue, violet, purple
Tapiolite-(Fe)raremineral · Mohs 6-6.5black, brownish-black
Tapiolite-(Mn)raremineral · Mohs 6-6.5black, reddish-brown, brown
Taramelliteraremineral · Mohs 5.5dark brown, reddish brown, brownish black
Taramiteraremineral · Mohs 5-6black, dark green, dark brown- No imageTarbagataiteraremineral · Mohs 5-6yellow, yellow-brown, brown
- No imageTashelgiteraremineral · Mohs 5-6dark brown, black
- No imageTausoniteraremineral · Mohs 6-6.5colorless, pale yellow, pale red
Tazheraniteraremineral · Mohs 6.5yellow, white, colorless- No imageTazzoliiteraremineral · Mohs 5-5.5brown, yellowish-brown
Teepee Canyon Agatecommonmineral · Mohs 6.5-7red, pink, white
Tegengreniteraremineral · Mohs 6black
Tektitesuncommonfossil · Mohs 5.5-6.5black, brown, olive green- No imageTelyushenkoiteraremineral · Mohs 5-6yellow, brown
Tephroiteuncommonmineral · Mohs 6reddish-brown, gray, olive-green
Teredo Petrified Woodcommonfossil · Mohs 6.5-7brown, tan, gray
Terskiteraremineral · Mohs 5-5.5pink, reddish-pink
Tetrataeniteraremineral · Mohs 5-5.5silver-white, gray- No imageTexas Bouquet Agatecommonmineral · Mohs 6.5-7white, pink, red
Thalénite-(Y)raremineral · Mohs 6.5pink, flesh-red, gray
Thomsoniteuncommonmineral · Mohs 5-5.5white, pink, green- No imageThomsonite Nodulesuncommonmineral · Mohs 5-5.5white, pink, green
Thomsonite-Cauncommonmineral · Mohs 5-5.5white, pink, green- No imageThomsonite-Sruncommonmineral · Mohs 5-5.5white, colorless, yellow
- No imageThoreauliteraremineral · Mohs 5.5yellow, brown, colorless
Thorianiteraremineral · Mohs 6.5-7black, brownish-black, reddish-brown
Thoriumraremineral · Mohs 6.5-7lead-gray, black, brown
Thortveititeraremineral · Mohs 6-7grayish-green, gray, greenish-white- No imageThorutiteraremineral · Mohs 5-6black, brownish-black
Thuliteuncommonmineral · Mohs 6-6.5pink, reddish-pink, rose-red
Thundereggscommonmineral · Mohs 6.5-7multicolored, brown, gray
Tienshaniteraremineral · Mohs 6.5yellow, brown, colorless
Tinaksiteraremineral · Mohs 6orange, yellow-orange, brown
Tinzeniteraremineral · Mohs 6.5-7yellow, orange, brown
Tisinaliteraremineral · Mohs 5-6yellow, yellowish-brown
Tissintiteraremineral · Mohs 6-7white, colorless
Titaniteuncommonmineral · Mohs 5-5.5yellow, brown, green- No imageTitanomaghemitecommonmineral · Mohs 5-6black, brownish-black, gray
Titanowodginiteraremineral · Mohs 5-6black, brown
Titantaramelliteraremineral · Mohs 5-6brown, yellowish-brown- No imageTivaniteraremineral · Mohs 5-6black
- No imageTokkoiteraremineral · Mohs 5-6yellow, brown, yellow-brown
Tomichiteraremineral · Mohs 5-6dark brown, black- No imageToturiteraremineral · Mohs 6-7dark brown, black
Tounkiteraremineral · Mohs 5.5-6blue, white, colorless- No imageTownenditeraremineral · Mohs 5.5colorless, white
- No imageTrabzoniteraremineral · Mohs 5-6white, colorless, pale gray
- No imageTranquillityiteraremineral · Mohs 5-6dark brown, reddish brown, opaque black
- No imageTrattneriteraremineral · Mohs 6-7colorless, pale yellow, brownish
- No imageTredouxiteraremineral · Mohs 5-6black
Tremolitecommonmineral · Mohs 5-6white, gray, green
Tridymiteuncommonmineral · Mohs 6.5colorless, white, gray- No imageTrikalsiliteraremineral · Mohs 6colorless, white, gray
Trimeriteraremineral · Mohs 6-7colorless, pink, flesh-red- No imageTrimounsite-(Y)raremineral · Mohs 6-6.5yellow, brown, colorless
Trinephelineraremineral · Mohs 5.5-6colorless, white, gray
Tripliteraremineral · Mohs 4-5.5brown, reddish-brown, orange-brown
Tripuhyiteraremineral · Mohs 5.5yellow, greenish yellow, brownish yellow- No imageTritomite-(Ce)raremineral · Mohs 5-6brown, dark brown, black
Tritomite-(Y)raremineral · Mohs 5.5brown, dark brown, reddish brown
Trolleiteraremineral · Mohs 5.5-6pale green, blue-green, white
Tsaregorodtseviteraremineral · Mohs 6colorless, white, gray
Tschermakiteuncommonmineral · Mohs 5-6black, dark green, dark brown- No imageTsepinite-Srraremineral · Mohs 5-6yellow, brown, white
- No imageTsumgalliteraremineral · Mohs 5-6colorless, white
- No imageTube Agatecommonmineral · Mohs 6.5-7white, gray, blue
- No imageTuiteraremineral · Mohs 5-6colorless, white
Turquoisecommonmineral · Mohs 5-6blue, blue-green, green
Turritella Agatecommonfossil · Mohs 6.5-7brown, tan, gray
Tusioniteraremineral · Mohs 5-5.5yellow, brown, pink
Tweddilliteraremineral · Mohs 6-6.5black, brownish black
Udinaiteraremineral · Mohs 6yellow, pale yellow- No imageUedaite-(Ce)raremineral · Mohs 6-7dark brown, black
Ullmanniteuncommonmineral · Mohs 5-5.5silver-white, steel-gray- No imageUlvöspineluncommonmineral · Mohs 5.5-6black, brownish-black
Unakitecommonmetamorphic · Mohs 6-7green, pink, red
Uraniniteuncommonmineral · Mohs 5-6black, brownish-black, gray
Uraniumraremineral · Mohs 6silvery-white, gray- No imageUranium Oreuncommonmineral · Mohs 5-6black, brown, gray
- No imageUranopolycraseraremineral · Mohs 5.5-6.5black, brownish-black
Ussingiteraremineral · Mohs 6-7violet, pink, lavender- No imageUsturiteraremineral · Mohs 5-6dark brown, black
Uvaroviteraremineral · Mohs 6.5-7.5emerald green
Vaesiteraremineral · Mohs 5.5black, grayish-black
Vanadio-pargasiteraremineral · Mohs 6dark green, emerald green- No imageVanadiocarpholiteraremineral · Mohs 5-5.5yellow, pale yellow
- No imageVanadoallanite-(La)raremineral · Mohs 6-6.5black, brown
- No imageVanadoandrosite-(Ce)raremineral · Mohs 6-6.5black, brownish-black
- No imageVanadomalayaiteraremineral · Mohs 5-5.5yellow, brown
- No imageVästmanlandite-(Ce)raremineral · Mohs 6-7brown, reddish-brown
Vertebrate Fossilscommonfossil · Mohs 3-6brown, tan, black
Vesicular Basaltcommonigneous · Mohs 5-6black, dark gray, brownish-gray- No imageVestaiteraremineral · Mohs 5-6black, brown
Vesuvianitecommonmineral · Mohs 6.5green, brown, yellow
Violariteuncommonmineral · Mohs 4.5-5.5violet-gray, silver-white, metallic-gray
Virgiliteraremineral · Mohs 6-7yellow, pale yellow
Vishneviteraremineral · Mohs 5-6white, gray, yellow- No imageVismirnoviteraremineral · Mohs 5.5yellow, greenish-yellow
- No imageVistepiteraremineral · Mohs 5.5yellow, brown, pinkish-brown
Vladimirivanoviteraremineral · Mohs 5-6white, colorless
Vladykiniteraremineral · Mohs 6colorless, white
Vlasoviteraremineral · Mohs 5.5-6colorless, white, pale pink
Vuagnatiteraremineral · Mohs 6.5-7green, yellow-green, colorless
Vuorelaineniteraremineral · Mohs 6black, brown
Vyuntspakhkite-(Y)raremineral · Mohs 6.5-7yellow, brown, colorless
Wadaliteraremineral · Mohs 6colorless, pale yellow
Wadeiteraremineral · Mohs 6colorless, white, pale pink
Wadsleyiteraremineral · Mohs 6.5-7colorless, pale blue, white
Wagneriteraremineral · Mohs 5-5.5yellow, yellowish-brown, greenish-yellow
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