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 4501-4560 of 5,084 specimens
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Tetrawickmanite
Hardness: 3.5 - 4.5
Tewite
Hardness: 3.5 - 4
Thadeuite
Hardness: 3.5 - 4
Thalcusite
Hardness: 2.5 - 3
Thalénite-(y)
Hardness: 6
Thalfenisite
Hardness: 1 - 1.5
Thalhammerite
Thalliomelane
Thalliumpharmacosiderite
Thebaite-(nh4)
Theisite
Thenardite
Theoparacelsite
Theophrastite
Hardness: 3.5
Therasiaite
Thérèsemagnanite
Hardness: 1.5 - 2
Thermaerogenite
Thermessaite
Thermessaite-(nh4)
Thermonatrite
Hardness: 1 - 1.5
Thiospinel group
Thomasclarkite
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Thomasclarkite-(y)
Hardness: 2 - 3
Thometzekite
Hardness: 4 - 5
Thomsenolite
Hardness: 2
Thomsonite
Hardness: 5 - 5.5
Thomsonite-ca
Hardness: 5 - 5.5
Thomsonite-sr
Hardness: 5
Thorasphite
Thorbastnäsite
Hardness: 4 - 4.5
Thoreaulite
Hardness: 5.5 - 6
Thorianite
Hardness: 6.5 - 7
Thorikosite
Hardness: 3
Thorite
Hardness: 4.5
Thornasite
Thorneite
Thorosteenstrupine
Hardness: 4
Thortveitite
Hardness: 6 - 7
Thorutite
Hardness: 4.5 - 5.5
Threadgoldite
Thunderbayite
Tiberiobardiite
Tiemannite
Hardness: 2.5
Tienshanite
Hardness: 6 - 6.5
Tiettaite
Hardness: 3
Tikhonenkovite
Hardness: 3.5
Tilasite
Hardness: 5
Tilkerodeite
Tilleyite
Tillmannsite
Timroseite
Hardness: 2.5
Tin
Hardness: 1.5 - 2
Tinaksite
Hardness: 6
Tincalconite
Hardness: 2
Tinnunculite
Tinsleyite
Hardness: 5
Tinticite
Hardness: 2.5
Tintinaite
Hardness: 2.5 - 3
Tiptopite
Hardness: 3.5
Tiragalloite
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