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 1561–1680 of 1910 rocks (page 14 of 16).
- No imageSmamiteraremineral · Mohs 3.5colorless, white
- No imageSmirnovskiteraremineral · Mohs 4-5yellow, brown
Smithsonitecommonmineral · Mohs 4-4.5white, gray, green
Smrkoveciteraremineral · Mohs 3.5-4yellow, yellowish-orange
Smythiteraremineral · Mohs 3.5bronze, brown, gray
Soboleviteraremineral · Mohs 4-5yellow, brown, colorless
Sobolevskiteraremineral · Mohs 3.5white, pinkish-white
Soddyiteraremineral · Mohs 3.5yellow, yellow-orange, brownish-yellow
Söhngeiteraremineral · Mohs 3.5colorless, white, pale yellow
Solongoiteraremineral · Mohs 3.5white, colorless, yellow
Sorbyiteraremineral · Mohs 3.5lead-gray, grayish-white
Sorositeraremineral · Mohs 3.5-4silver-white, tin-white
Sosedkoiteraremineral · Mohs 3.5yellow, yellowish-orange- No imageSoučekiteraremineral · Mohs 3.5gray, lead-gray
- No imageSphaerobismoiteraremineral · Mohs 3.5white, yellowish-white, gray
Sphaleritecommonmineral · Mohs 3.5-4yellow, brown, black
Spherocobaltiteraremineral · Mohs 3.5-4rose-red, pink, reddish-orange
Spiridonoviteraremineral · Mohs 3.5white
Sponge Fossilcommonfossil · Mohs 2.5-7gray, white, tan
Spongescommonfossil · Mohs 3-5white, gray, brown
Sputnik Aragonitecommonmineral · Mohs 3.5-4brown, tan, creamy white
Stalderiteraremineral · Mohs 3.5lead-gray, black- No imageStanĕkiteraremineral · Mohs 4black, dark brown
Stanniteuncommonmineral · Mohs 3.5steel gray, iron black, blackish bronze
Stannoiditeraremineral · Mohs 4bronze, brown, black
Stannopalladiniteraremineral · Mohs 4-5silver-white, grayish-white
Staurolite Schistcommonmetamorphic · Mohs 3.5-7dark brown, gray, brownish-black- No imageSteedeiteraremineral · Mohs 3.5colorless, white
Steenstrupine-(Ce)raremineral · Mohs 4brown, black, yellow
Stefanweissiteraremineral · Mohs 4.5yellow, yellowish-brown- No imageSteinhardtiteraremineral · Mohs 3.5silver-white, gray
Steinmetziteraremineral · Mohs 3.5white, pale yellow
Stekliteraremineral · Mohs 3-3.5colorless, white, grayish
Stelleriteuncommonmineral · Mohs 4.5-5white, colorless, yellowish
Stenhuggariteraremineral · Mohs 3.5yellow, yellowish-orange
Stenoniteraremineral · Mohs 3.5colorless, white, gray
Štěpiteraremineral · Mohs 3.5yellow, yellow-green, brown
Stergiouiteraremineral · Mohs 3.5colorless, white
Steropesiteraremineral · Mohs 3-4colorless, white
Sterryiteraremineral · Mohs 3.5lead-gray, black
Stetefeldtiteraremineral · Mohs 3.5-4.5brown, black, yellowish-brown- No imageStetindite-(Ce)raremineral · Mohs 4-5brown, yellowish-brown
Stibarsenraremineral · Mohs 3.5tin-white, gray- No imageStibiocolusiteraremineral · Mohs 3.5gray, brownish-gray
Stibiopalladiniteraremineral · Mohs 4-5white, silver-white
Stilbitecommonmineral · Mohs 3.5-4white, colorless, yellow
Stilbite-Cacommonmineral · Mohs 3.5-4white, colorless, yellow- No imageStilbite-Nacommonmineral · Mohs 3.5-4white, yellow, pink
Stilleiteraremineral · Mohs 4.5dark gray, blackish gray- No imageStillwateriteraremineral · Mohs 4-4.5white, pale yellow
Stilpnomelanecommonmineral · Mohs 3-4black, brownish-black, bronze
Stistaiteraremineral · Mohs 3.5white, silver-white
Stottiteraremineral · Mohs 3.5black
Stranskiiteraremineral · Mohs 3.5azure-blue, sky-blue
Strengiteuncommonmineral · Mohs 3.5-4red, violet, pink- No imageStromatoporioidscommonfossil · Mohs 3-5tan, brown, gray
Strontianitecommonmineral · Mohs 3.5colorless, white, gray
Strontioboriteraremineral · Mohs 3.5colorless, white, gray
Strontiodresseriteraremineral · Mohs 3.5white, colorless, pale yellow- No imageStrontiofluoriteraremineral · Mohs 4colorless, white, pale yellow
- No imageStrontiomelaneraremineral · Mohs 3-4black, dark gray
- No imageStrontioperloffiteraremineral · Mohs 4dark brown, reddish-brown
- No imageStrontioruiziteraremineral · Mohs 3.5orange, brown
Strunziteraremineral · Mohs 3.5-4yellow, yellowish-brown, brown
Studenitsiteraremineral · Mohs 3.5white, colorless- No imageSudburyiteraremineral · Mohs 3.5white, pale yellow
- No imageSugakiiteraremineral · Mohs 3.5-4bronze, yellow
Sulfoboriteraremineral · Mohs 3.5white, colorless, yellowish
Sulphohaliteraremineral · Mohs 3.5colorless, white, yellow
Sulvaniteraremineral · Mohs 3.5bronze, copper-red, grayish-brown
Suoluniteraremineral · Mohs 3-4white, colorless
Suredaiteraremineral · Mohs 3.5-4lead-gray
Sussexiteraremineral · Mohs 3-4white, yellowish-white, pinkish-white- No imageSuzukiiteraremineral · Mohs 4yellow, greenish-yellow
Svanbergiteuncommonmineral · Mohs 4.5-5colorless, white, yellow- No imageSweetiteraremineral · Mohs 3.5colorless, white, yellow
Synadelphiteraremineral · Mohs 4.5brown, reddish-brown, yellowish-brown
Synchysite-(Ce)uncommonmineral · Mohs 4.5yellow, brown, gray- No imageSynchysite-(Nd)raremineral · Mohs 4.5yellow, brown, colorless
Synchysite-(Y)raremineral · Mohs 4.5yellow, brown, colorless
Szaibelyiteuncommonmineral · Mohs 3-4white, gray, yellowish-white
Szaibélyiteuncommonmineral · Mohs 3.5white, gray, yellowish
Szenicsiteraremineral · Mohs 3.5dark green, emerald green- No imageSzklaryiteraremineral · Mohs 3-4yellow, brownish-yellow
Tacharaniteraremineral · Mohs 3-4white, colorless, pale yellow- No imageTaikaniteraremineral · Mohs 4yellow, brown
- No imageTaimyriteraremineral · Mohs 3-3.5white, pale yellow
Takedaiteraremineral · Mohs 3.5colorless, white
Talnakhiteraremineral · Mohs 3.5-4brass-yellow, bronze-yellow
Tancaite-(Ce)raremineral · Mohs 3-4yellow, yellowish-orange- No imageTancoiteraremineral · Mohs 4-5colorless, pale pink
Tangeiteraremineral · Mohs 3.5yellow, green, olive-green- No imageTaniajacoiteraremineral · Mohs 3-4dark green, blackish-green
Tapiaiteraremineral · Mohs 3.5colorless, white, yellow
Taranakiteraremineral · Mohs 3.5white, yellowish-white, pale yellow
Tarbuttiteraremineral · Mohs 3.5-4colorless, white, yellowish- No imageTarkianiteraremineral · Mohs 3.5steel-gray, white
- No imageTaseqiteraremineral · Mohs 4.5yellow, yellowish-orange
- No imageTatyanaiteraremineral · Mohs 4-5white, silver-white
Teepleiteraremineral · Mohs 3-3.5colorless, white, yellow
Telargpaliteraremineral · Mohs 3.5steel-gray, silver-white- No imageTellurohauchecorniteraremineral · Mohs 4bronze, pale brass yellow
Telluropalladiniteraremineral · Mohs 3.5-4white, silver-white
Tengerite-(Y)raremineral · Mohs 3.5white, yellowish-white, colorless
Tennantite-(Fe)uncommonmineral · Mohs 3-4steel-gray, iron-black
Tennantite-(Zn)uncommonmineral · Mohs 3-4steel-gray, iron-black
Tenoritecommonmineral · Mohs 3-4black, gray
Ternesiteraremineral · Mohs 3.5colorless, white, pale yellow- No imageTerranovaiteraremineral · Mohs 4.5white, colorless
Tetra-auricuprideraremineral · Mohs 3-3.5brass yellow, golden yellow- No imageTetraferroplatinumraremineral · Mohs 4.5white, silver-white
Tetrahedritecommonmineral · Mohs 3-4steel-gray, iron-black, black
Tetrahedrite-(Fe)commonmineral · Mohs 3-4steel-gray, iron-black
Tetrahedrite-(Zn)commonmineral · Mohs 3-4steel-gray, iron-black- No imageTetrarooseveltiteraremineral · Mohs 3-4yellow, greenish-yellow
Tetrawickmaniteraremineral · Mohs 4yellow, yellow-orange, brown- No imageThalcusiteraremineral · Mohs 3.5bronze-yellow, brass-yellow
- No imageThalhammeriteraremineral · Mohs 3.5white, pale yellow
Thaumasiteuncommonmineral · Mohs 3.5white, colorless- No imageTheoparacelsiteraremineral · Mohs 3.5green, dark green, emerald green
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