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 2701-2760 of 5,084 specimens
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Marialite
Hardness: 5.5 - 6
Maricite
Hardness: 4
Maricopaite
Hardness: 1 - 1.5
Mariinskite
Hardness: 8.5
Marinaite
Marinellite
Hardness: 5.5
Markascherite
Hardness: 3.5 - 4
Markcooperite
Hardness: 3
Markeyite
Hardness: 1.5 - 2
Markhininite
Marklite
Marokite
Hardness: 6.5
Marrite
Hardness: 3
Marrucciite
Marshite
Hardness: 2.5
Marsturite
Hardness: 6
Marthozite
Martinandresite
Hardness: 4.5
Martinite
Martyite
Hardness: 3
Marumoite
Maruyamaite
Hardness: 7
Mascagnite
Hardness: 2 - 2.5
Maslovite
Hardness: 4.5 - 5
Massicot
Hardness: 2
Masutomilite
Hardness: 2.5
Masuyite
Mathesiusite
Hardness: 2
Mathewrogersite
Hardness: 2
Mathiasite
Hardness: 7.5
Matildite
Hardness: 2.5
Matioliite
Hardness: 5
Matlockite
Hardness: 2.5 - 3
Matsubaraite
Hardness: 5 - 6
Mattagamite
Hardness: 5.5
Matteuccite
Mattheddleite
Hardness: 3.5 - 4.5
Matulaite
Hardness: 1
Matyhite
Maucherite
Hardness: 5
Mauriziodiniite
Hardness: 1
Mavlyanovite
Hardness: 7
Mawbyite
Hardness: 4
Mawsonite
Hardness: 3.5 - 4
Maxwellite
Hardness: 5 - 5.5
Mayingite
Hardness: 4
Mazzettiite
Hardness: 3 - 3.5
Mazzite-mg
Hardness: 4 - 5
Mazzite-na
Mbobomkulite
Mcallisterite
Hardness: 2.5
Mcalpineite
Hardness: 3
Mcauslanite
Hardness: 3.5
Mcbirneyite
Mcconnellite
Hardness: 5.5
Mccrillisite
Hardness: 4 - 4.5
Mcgillite
Hardness: 5
Mcgovernite
Mcguinnessite
Hardness: 2.5
Mckelveyite
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