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 4321-4380 of 5,084 specimens
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Strontio-orthojoaquinite
Hardness: 5.5
Strontioborite
Strontiochevkinite
Hardness: 5 - 6
Strontiodresserite
Hardness: 2 - 3
Strontiofluorite
Hardness: 4
Strontioginorite
Hardness: 2 - 3
Strontiohurlbutite
Hardness: 6
Strontiojoaquinite
Hardness: 5.5
Strontiomelane
Hardness: 4 - 4.5
Strontioperloffite
Strontiopharmacosiderite
Strontioruizite
Strontiowhitlockite
Hardness: 5
Strunzite
Hardness: 4
Struvite
Hardness: 1.5 - 2
Struvite-(k)
Studenitsite
Hardness: 5.5 - 6
Studtite
Stumpflite
Hardness: 5
Sturmanite
Hardness: 2.5
Stützite
Hardness: 3.5
Suanite
Hardness: 5.5
Sudburyite
Hardness: 4.5
Sudoite
Hardness: 2.5 - 3.5
Sudovikovite
Hardness: 2 - 2.5
Suenoite
Suessite
Sugakiite
Suhailite
Hardness: 2.5
Sulfhydrylbystrite
Hardness: 4.5 - 5
Sulfoborite
Hardness: 4 - 4.5
Sulphohalite
Hardness: 3.5
Sulphotsumoite
Hardness: 2.5
Sulphur
Hardness: 1.5 - 2.5
Sulphur-β
Sulvanite
Hardness: 3.5
Sundiusite
Hardness: 3
Suolunite
Hardness: 3.5
Suredaite
Hardness: 2.5 - 3
Surinamite
Surite
Hardness: 2 - 3
Sursassite
Susannite
Hardness: 2.5 - 3
Suseinargiuite
Sussexite
Hardness: 3
Suzukiite
Hardness: 4 - 4.5
Svabite
Hardness: 5
Svanbergite
Hardness: 5
Sveinbergeite
Hardness: 3
Sveite
Sverigeite
Hardness: 6.5
Svetlanaite
Svornostite
Hardness: 2
Svyatoslavite
Hardness: 6
Svyazhinite
Hardness: 2 - 3
Swaknoite
Hardness: 1.5 - 2
Swamboite-(nd)
Hardness: 2.5
Swartzite
Swedenborgite
Hardness: 8
Sweetite
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