Mohs hardness 4 rocks & minerals
Mohs hardness 4 is referenced by fluorite. Minerals at this hardness scratch with a steel knife but are too hard for a coin.
Showing 1681–1800 of 1910 rocks (page 15 of 16).
Theophrastiteraremineral · Mohs 3-3.5emerald-green, grass-green
Therasiaiteraremineral · Mohs 3.5white, colorless
Thometzekiteraremineral · Mohs 3.5green, yellow-green- No imageThorasphiteraremineral · Mohs 4white, colorless
Thorbastnäsiteraremineral · Mohs 4-4.5yellow, brown, colorless
Thoriteraremineral · Mohs 4.5-5black, brown, orange
Thorogummiteraremineral · Mohs 4-5yellowish-brown, brown, grayish-brown- No imageThorosteenstrupineraremineral · Mohs 4.5-5brown, yellow, reddish-brown
Tiettaiteraremineral · Mohs 3-4yellow, brown- No imageTillmannsiteraremineral · Mohs 3.5silver-white, light gray
Tinsleyiteraremineral · Mohs 3.5-4white, colorless, pale pink
Tintinaiteraremineral · Mohs 3-3.5lead-gray, steel-gray
Tiptopiteraremineral · Mohs 3.5white, colorless, pink
Tiragalloiteraremineral · Mohs 4-5orange, reddish-orange- No imageTischendorfiteraremineral · Mohs 3-4white, gray
Tokyoiteraremineral · Mohs 3.5-4yellow, yellowish-green, brown
Tolovkiteraremineral · Mohs 3.5white, gray
Törnebohmite-(Ce)raremineral · Mohs 4.5green, yellowish-green, olive-green- No imageTörnebohmite-(La)raremineral · Mohs 4.5green, yellowish-green, olive-green
- No imageTörnroositeraremineral · Mohs 3-4black
Toyohaiteraremineral · Mohs 3.5gray, black- No imageTransjordaniteraremineral · Mohs 4-5red, brown, black
Traskiteraremineral · Mohs 4-5brown, reddish-brown
Travertinecommonsedimentary · Mohs 3-4white, tan, cream
Treasuriteraremineral · Mohs 3.5colorless, white, gray- No imageTrigodomeykiteraremineral · Mohs 3-3.5silver-white, tin-white, pale yellow
Trilobite Fossilscommonfossil · Mohs 3-5black, brown, gray
Triphyliteuncommonmineral · Mohs 4-4.5blue, blue-green, grayish-blue
Tripliteraremineral · Mohs 4-5.5brown, reddish-brown, orange-brown
Triploiditeraremineral · Mohs 4.5-5yellow, yellow-brown, pink- No imageTrippkeiteraremineral · Mohs 3-4blue, blue-green, green
Tristramiteraremineral · Mohs 3.5-4white, yellowish, brown
Trogtaliteraremineral · Mohs 4.5-5gray, dark gray, black
Troiliteuncommonmineral · Mohs 3.5-4bronze, brownish-bronze, yellowish-brown- No imageTrüstedtiteraremineral · Mohs 4.5-5pinkish-white, gray
- No imageTsangpoiteraremineral · Mohs 4.5white, colorless, pale yellow
Tschernichiteraremineral · Mohs 4-5white, colorless, yellowish
Tschörtneriteraremineral · Mohs 3.5-4colorless, white, pale yellow
Tsikourasiteraremineral · Mohs 4silver-white, gray- No imageTsnigriiteraremineral · Mohs 3-3.5dark gray, black
Tsumcoriteraremineral · Mohs 4.5yellow, brown, orange
Tsumebiteraremineral · Mohs 3-3.5green, emerald-green, yellow-green
Tsygankoiteraremineral · Mohs 3-3.5steel-gray, black
Tubulitecommonfossil · Mohs 3-4gray, brown, white
Tučekiteraremineral · Mohs 3.5white, gray
Tuffcommonigneous · Mohs 2-4white, gray, tan
Tugarinoviteraremineral · Mohs 4-5yellow, brown
Tugtupiteraremineral · Mohs 4pink, red, white- No imageTuhualiteraremineral · Mohs 4deep blue, violet-blue, purple
Tulameeniteraremineral · Mohs 4.5-5silver-white, creamy-white
Tuliokiteraremineral · Mohs 3.5colorless, white, yellowish- No imageTululiteraremineral · Mohs 3.5yellow, brownish-yellow
Tundrite-(Ce)raremineral · Mohs 3-4yellow, brownish yellow, greenish yellow- No imageTundrite-(Nd)raremineral · Mohs 4-5yellow, yellowish-brown, reddish-brown
Tunelliteraremineral · Mohs 3.5colorless, white
Turaniteraremineral · Mohs 3-4dark olive-green, pistachio-green, blackish-green- No imageTurtmanniteraremineral · Mohs 4-5yellow, brown, reddish-brown
- No imageTuzlaiteraremineral · Mohs 3.5colorless, white
Tvalchrelidzeiteraremineral · Mohs 3-3.5dark gray, black
Tvedaliteraremineral · Mohs 3-4white, yellowish-white, pale yellow
Tveitite-(Y)raremineral · Mohs 3.5white, colorless, yellowish-white
Tvrdýiteraremineral · Mohs 4-5green, yellow-green- No imageTwinniteraremineral · Mohs 3.5lead-gray, black
Tychiteraremineral · Mohs 4white, colorless, pale yellow
Tyretskiteraremineral · Mohs 3.5white, colorless, gray
Tyrrelliteraremineral · Mohs 3.5-4gray, steel gray
Uchucchacuaiteraremineral · Mohs 3.5gray, lead-gray- No imageUdumineliteraremineral · Mohs 3-4yellow, yellowish-brown
Umbiteraremineral · Mohs 4-5colorless, white
Umbozeriteraremineral · Mohs 4brown, yellow, orange- No imageUmbrianiteraremineral · Mohs 3.5colorless, white, yellow
- No imageUngavaiteraremineral · Mohs 3-3.5gray, white
Uraloliteraremineral · Mohs 3-4white, colorless, pale yellow- No imageUsoviteraremineral · Mohs 4colorless, white
- No imageVanackeriteraremineral · Mohs 3.5-4yellow, brownish-yellow, orange
Vantasseliteraremineral · Mohs 3.5white, colorless
Vanthoffiteraremineral · Mohs 3.5colorless, white, gray
Varisciteuncommonmineral · Mohs 3.5-4.5apple green, emerald green, bluish green- No imageVaruliteraremineral · Mohs 4-4.5green, yellowish-green, olive-green
Vauxiteraremineral · Mohs 3.5sky blue, blue-green- No imageVavříniteraremineral · Mohs 3.5white, gray
- No imageVelikiteraremineral · Mohs 3.5gray, brownish-gray
Verde Antiquecommonmetamorphic · Mohs 3-5green, dark green, white- No imageVergasovaiteraremineral · Mohs 3.5green
Verplanckiteraremineral · Mohs 3-4brown, yellow-brown
Versiliaiteraremineral · Mohs 3.5black, dark gray
Vertebrate Fossilscommonfossil · Mohs 3-6brown, tan, black
Vésigniéiteraremineral · Mohs 3.5yellow, yellow-green
Veszelyiteraremineral · Mohs 3.5-4dark green, blue-green, bluish-green- No imageViaeneiteraremineral · Mohs 3-3.5black
- No imageVigrishiniteraremineral · Mohs 4-5white, colorless
Viitaniemiiteraremineral · Mohs 4colorless, white, yellowish-white
Villamaníniteraremineral · Mohs 4.5black, dark gray
Villyaelleniteraremineral · Mohs 3-4pink, pale pink, colorless
Vincentiteraremineral · Mohs 3.5gray, white
Vincienniteraremineral · Mohs 3.5pinkish-brown, reddish-brown
Violariteuncommonmineral · Mohs 4.5-5.5violet-gray, silver-white, metallic-gray- No imageVirginia Greenstonecommonmetamorphic · Mohs 3-4green, dark green, gray-green
Vitusite-(Ce)raremineral · Mohs 3.5yellow, brown, pinkish-white
Voggiteraremineral · Mohs 3-4colorless, white
Volborthiteuncommonmineral · Mohs 3-3.5yellow, green, olive-green
Volkovskiteraremineral · Mohs 3.5colorless, white, gray
Voltaiteuncommonmineral · Mohs 3-4black, greenish black- No imageVonbezingiteraremineral · Mohs 3.5dark blue
- No imageVorlaniteraremineral · Mohs 3-4yellow, yellowish-orange
Vozhminiteraremineral · Mohs 3.5-4pinkish-white, silver-white
Vrbaiteraremineral · Mohs 3.5dark red, red-black- No imageVyalsoviteraremineral · Mohs 3.5white, colorless
Vysotskiteraremineral · Mohs 4-5gray, grayish white- No imageWaimirite-(Y)raremineral · Mohs 4colorless, white
- No imageWairauiteraremineral · Mohs 4white, silver-white
Wakefieldite-(Ce)raremineral · Mohs 4-5tan, yellow, brown
Wakefieldite-(La)raremineral · Mohs 4-5tan, yellow, brown
Wakefieldite-(Nd)raremineral · Mohs 4-5white, yellow, tan- No imageWakefieldite-(Y)raremineral · Mohs 4-5yellow, brown, tan
- No imageWallisiteraremineral · Mohs 3.5black
- No imageWallkilldelliteraremineral · Mohs 3.5red, brownish-red, orange-red
Walpurgiteraremineral · Mohs 3.5yellow, orange-yellow
Walstromiteraremineral · Mohs 3.5colorless, white- No imageWalthieriteraremineral · Mohs 3.5white, colorless
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