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 721-780 of 5,084 specimens
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Cairncrossite
Hardness: 3
Calamaite
Hardness: 3
Calaverite
Hardness: 2.5 - 3
Calciborite
Calcinaksite
Hardness: 5
Calcio-olivine
Calcioancylite-(ce)
Hardness: 4 - 4.5
Calcioancylite-(nd)
Hardness: 4 - 4.5
Calcioandyrobertsite
Hardness: 3
Calcioaravaipaite
Hardness: 2.5
Calcioburbankite
Hardness: 3 - 4
Calciocatapleiite
Hardness: 4.5 - 5
Calciocopiapite
Hardness: 2.5 - 3
Calciodelrioite
Hardness: 2.5
Calcioferrite
Hardness: 2.5
Calciohilairite
Hardness: 4
Calciojohillerite
Calciolangbeinite
Hardness: 3 - 3.5
Calciomurmanite
Calciopetersite
Calciosamarskite
Hardness: 6.5
Calciotantite
Hardness: 6.5
Calciouranoite
Hardness: 4
Calcioursilite
Calcjarlite
Calclacite
Calcurmolite
Calderite
Calderónite
Hardness: 3 - 4
Caledonite
Hardness: 2.5 - 3
Calkinsite-(ce)
Hardness: 2.5
Callaghanite
Hardness: 3 - 3.5
Calomel
Hardness: 1.5 - 2
Calumetite
Hardness: 2
Calvertite
Hardness: 4 - 5
Calzirtite
Hardness: 6 - 7
Camanchacaite
Hardness: 2.5
Cámaraite
Camaronesite
Hardness: 2.5
Camérolaite
Cameronite
Hardness: 3.5 - 4
Camgasite
Hardness: 2
Caminite
Hardness: 2.5
Campigliaite
Campostriniite
Canaphite
Hardness: 2
Canasite
Canavesite
Cancrinite
Hardness: 5 - 6
Cancrisilite
Hardness: 5
Canfieldite
Hardness: 2.5
Cannizzarite
Hardness: 2
Cannonite
Hardness: 4
Canosioite
Hardness: 6 - 6.5
Canutite
Hardness: 2.5
Caoxite
Hardness: 2 - 2.5
Capgaronnite
Cappelenite-(y)
Hardness: 6 - 6.5
Capranicaite
Caracolite
Hardness: 4.5
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