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 1621-1680 of 5,084 specimens
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Goyazite
Hardness: 4.5 - 5
Graemite
Hardness: 3 - 3.5
Graeserite
Hardness: 5.5
Graftonite
Hardness: 5
Graftonite-(ca)
Hardness: 5
Graftonite-(mn)
Hardness: 5
Gramaccioliite-(y)
Hardness: 6
Grammatikopoulosite
Grandaite
Grandidierite
Hardness: 7.5
Grandreefite
Hardness: 2.5
Grandviewite
Hardness: 2
Grantsite
Hardness: 1 - 2
Graphite
Hardness: 1 - 2
Graţianite
Gratonite
Hardness: 2.5
Grattarolaite
Graulichite-(ce)
Gravegliaite
Grayite
Grechishchevite
Hardness: 2.5
Greenalite
Hardness: 2.5
Greenlizardite
Greenockite
Hardness: 3 - 3.5
Greenwoodite
Hardness: 5
Gregoryite
Greifensteinite
Greigite
Hardness: 4 - 4.5
Grenmarite
Hardness: 4.5
Grguricite
Griceite
Hardness: 4.5
Grigorievite
Hardness: 5
Grimaldiite
Hardness: 3.5 - 4.5
Grimmite
Griphite
Hardness: 5.5
Grischunite
Hardness: 5
Groatite
Hardness: 3
Grokhovskyite
Grootfonteinite
Grossite
Grossmanite
Groutite
Hardness: 3.5 - 4
Grumantite
Hardness: 4 - 5
Grumiplucite
Grundmannite
Hardness: 2 - 2.5
Grunerite
Hardness: 5 - 6
Gruzdevite
Hardness: 4 - 4.5
Guanacoite
Hardness: 3
Guanajuatite
Hardness: 2.5 - 3
Guanine
Hardness: 1 - 2
Guarinoite
Hardness: 1.5 - 2
Gudmundite
Hardness: 5.5 - 6
Guérinite
Hardness: 1.5
Guettardite
Hardness: 4
Gugiaite
Hardness: 5
Guidottiite
Hardness: 4 - 4.5
Guildite
Hardness: 2.5
Guilleminite
Hardness: 2
Guimarãesite
Hardness: 4.5
Guite
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