Minerals
Minerals are naturally occurring inorganic substances with a specific chemical composition and crystalline structure. They are the building blocks of rocks and are classified by their chemical composition and crystal system.
Showing 4201-4260 of 5,084 specimens
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Slawsonite
Hardness: 5.5 - 6.5
Smaltite
Smamite
Hardness: 3.5
Smectite
Smirnite
Hardness: 3.5 - 4
Smirnovskite
Smithite
Hardness: 1.5 - 2
Smolyaninovite
Hardness: 2
Smrkovecite
Hardness: 4 - 5
Smythite
Hardness: 4.5
Sobolevite
Hardness: 4.5 - 5
Sobolevskite
Hardness: 4
Soddyite
Hardness: 3 - 4
Sofiite
Hardness: 2 - 2.5
Sogdianite
Hardness: 7
Söhngeite
Hardness: 4 - 4.5
Sokolovaite
Solongoite
Hardness: 3.5
Somersetite
Hardness: 3
Sonolite
Hardness: 5.5
Sonoraite
Hardness: 3
Sopcheite
Hardness: 3.5
Sorbyite
Hardness: 3.5 - 4
Sørensenite
Hardness: 5.5
Sorosite
Hardness: 5 - 5.5
Sosedkoite
Hardness: 6
Součekite
Hardness: 3.5 - 4
Souzalite
Hardness: 5.5 - 6
Spadaite
Hardness: 2.5
Spaltiite
Spangolite
Hardness: 3
Spencerite
Hardness: 3
Sperrylite
Hardness: 6 - 7
Spertiniite
Sphaerobertrandite
Hardness: 5
Sphaerobismoite
Hardness: 4
Spheniscidite
Hardness: 1 - 1.5
Spherocobaltite
Hardness: 3 - 4
Spionkopite
Hardness: 2.5 - 3
Spiridonovite
Hardness: 3
Spiroffite
Hardness: 3.5
Spriggite
Hardness: 4
Springcreekite
Hardness: 4 - 5
Spryite
Hardness: 2.5 - 3
Spurrite
Hardness: 5
Srebrodolskite
Hardness: 5.5
Šreinite
Hardness: 2 - 4
Srilankite
Hardness: 6.5
Stalderite
Hardness: 3.5 - 4
Stanĕkite
Hardness: 4 - 5
Stanfieldite
Hardness: 4 - 5
Stangersite
Stanleyite
Hardness: 1 - 1.5
Stannoidite
Hardness: 4
Stannopalladinite
Hardness: 4.5 - 5
Starkeyite
Hardness: 2 - 3
Staročeskéite
Starovaite
Hardness: 3.5 - 4
Stavelotite-(la)
Steacyite
Hardness: 5
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