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 4621-4680 of 5,084 specimens
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Trimounsite-(y)
Hardness: 7
Trinepheline
Hardness: 5 - 5.5
Triphylite
Hardness: 4
Triplite
Hardness: 5 - 5.5
Triploidite
Hardness: 4.5 - 5
Trippkeite
Hardness: 4
Tripuhyite
Hardness: 6 - 6.5
Tristramite
Hardness: 3 - 4
Tritomite-(ce)
Hardness: 5.5 - 6
Tritomite-(y)
Hardness: 3.5 - 6.5
Trögerite
Hardness: 2 - 3
Trogtalite
Hardness: 7
Troilite
Hardness: 3.5 - 4.5
Trolleite
Hardness: 5.5 - 6
Trona
Hardness: 2.5
Truscottite
Hardness: 3.5
Trüstedtite
Hardness: 2.5
Tsangpoite
Tsaregorodtsevite
Hardness: 6
Tschaunerite
Tschermakite
Hardness: 5 - 6
Tschermigite
Hardness: 1.5 - 2
Tschernichite
Hardness: 4.5
Tschörtnerite
Hardness: 4.5
Tsepinite-ca
Hardness: 5
Tsepinite-k
Tsepinite-na
Tsepinite-sr
Hardness: 5
Tsikourasite
Tsilaisite
Hardness: 7
Tsnigriite
Hardness: 3.5
Tsugaruite
Hardness: 2.5 - 3
Tsumcorite
Hardness: 4.5
Tsumebite
Hardness: 3.5
Tsumgallite
Hardness: 1 - 2
Tsumoite
Hardness: 2.5 - 3
Tsygankoite
Tubulite
Tučekite
Hardness: 6
Tugarinovite
Tugtupite
Hardness: 4
Tuhualite
Tuite
Tulameenite
Hardness: 5
Tuliokite
Hardness: 3 - 4
Tululite
Hardness: 6.5
Tumchaite
Hardness: 4.5
Tundrite-(ce)
Hardness: 3
Tundrite-(nd)
Hardness: 3
Tunellite
Hardness: 2.5
Tungsten
Tungstenite
Hardness: 2.5
Tungstibite
Hardness: 2
Tungstite
Hardness: 2.5
Tungusite
Hardness: 2
Tunisite
Hardness: 4.5
Tuperssuatsiaite
Turanite
Hardness: 4.5 - 5
Turkestanite
Hardness: 5.5 - 6
Turneaureite
Hardness: 5
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