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 2761-2820 of 5,084 specimens
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Mckelveyite-(y)
Hardness: 3.5 - 4
Mckinstryite
Hardness: 1.5 - 2.5
Mcnearite
Medaite
Medenbachite
Hardness: 4.5
Meerschautite
Megacyclite
Hardness: 2
Megakalsilite
Hardness: 6
Megawite
Meieranite
Hardness: 5.5
Meierite
Hardness: 5.5
Meifuite
Meionite
Hardness: 5 - 6
Meisserite
Hardness: 2
Meitnerite
Hardness: 2
Meixnerite
Hardness: 2
Mejillonesite
Hardness: 4
Melanarsite
Hardness: 4
Melanocerite-(ce)
Hardness: 5 - 6
Melanophlogite
Hardness: 6.5 - 7
Melanostibite
Hardness: 4
Melanotekite
Hardness: 6.5
Melanothallite
Melanovanadite
Hardness: 2.5
Melansonite
Melanterite
Hardness: 2
Melcherite
Melilite
Meliphanite
Hardness: 5 - 5.5
Melkovite
Hardness: 3
Melliniite
Hardness: 8 - 8.5
Mellite
Hardness: 2 - 2.5
Mellizinkalite
Melonite
Hardness: 1 - 1.5
Mélonjosephite
Hardness: 5
Menchettiite
Hardness: 2.5 - 3
Mendeleevite-(ce)
Mendeleevite-(nd)
Hardness: 5 - 5.5
Mendigite
Mendipite
Hardness: 2.5 - 3
Mendozavilite-kca
Hardness: 2.5
Mendozavilite-nacu
Hardness: 2.5
Mendozavilite-nafe
Hardness: 1.5
Mendozite
Hardness: 3
Meneghinite
Hardness: 2.5
Menezesite
Hardness: 4
Mengeite
Mengxianminite
Hardness: 8
Meniaylovite
Menshikovite
Hardness: 5
Menzerite-(y)
Hardness: 6.5 - 7
Mercallite
Mercury
Mereheadite
Hardness: 3.5
Mereiterite
Hardness: 2.5 - 3
Merelaniite
Merenskyite
Hardness: 2 - 3
Meridianiite
Merlinoite
Hardness: 4.5
Merrihueite
Hardness: 5 - 6
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