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 1021-1080 of 5,084 specimens
Browse by Letter
Corderoite
Hardness: 3
Cordierite
Hardness: 7 - 7.5
Cordylite-(ce)
Hardness: 4.5
Cordylite-(la)
Hardness: 4
Corkite
Hardness: 3.5 - 4.5
Cornetite
Hardness: 4.5
Cornubite
Hardness: 4
Cornwallite
Hardness: 4.5
Coronadite
Hardness: 4.5 - 5
Correianevesite
Hardness: 3.5
Corrensite
Hardness: 1 - 2
Cortesognoite
Corundum
Hardness: 9
Corvusite
Hardness: 2.5 - 3
Cosalite
Hardness: 2.5 - 3
Coskrenite-(ce)
Cossaite
Costibite
Hardness: 6
Cotunnite
Hardness: 1.5 - 2
Coulsonite
Hardness: 4.5 - 5
Cousinite
Coutinhoite
Hardness: 2
Covellite
Hardness: 1.5 - 2
Cowlesite
Hardness: 5 - 5.5
Coyoteite
Hardness: 1.5
Crandallite
Hardness: 5
Cranswickite
Crawfordite
Hardness: 3
Creaseyite
Crednerite
Hardness: 4
Creedite
Hardness: 4
Crerarite
Hardness: 3 - 3.5
Crichtonite
Hardness: 5 - 6
Criddleite
Hardness: 3 - 3.5
Crimsonite
Hardness: 3.5
Cristobalite
Hardness: 6 - 7
Crocobelonite
Crocoite
Hardness: 2.5 - 3
Cronstedtite
Hardness: 3.5
Cronusite
Hardness: 1.5
Crookesite
Hardness: 2.5 - 3
Crossite
Hardness: 6-6.5
Crowningshieldite
Cryobostryxite
Hardness: 2
Cryolite
Hardness: 2.5
Cryolithionite
Hardness: 2.5 - 3
Cryptochalcite
Cryptohalite
Hardness: 2.5
Cryptomelane
Hardness: 5 - 6.5
Cryptophyllite
Cualstibite
Hardness: 2
Cuatrocapaite-(k)
Hardness: 2.5
Cuatrocapaite-(nh₄)
Cubanite
Hardness: 3.5
Cuboargyrite
Hardness: 3
Cumengeite
Hardness: 2.5
Cummingtonite
Hardness: 5 - 6
Cupalite
Hardness: 4 - 4.5
Cuprite
Hardness: 3.5 - 4
Cuproauride
Browse Other Categories
Identify Minerals Instantly
Snap a photo to instantly identify any minerals specimen. Get detailed properties, hardness, and chemical composition.