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 3121-3180 of 5,084 specimens
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Nevadaite
Hardness: 3
Nevskite
Hardness: 3
Newberyite
Hardness: 3 - 3.5
Neyite
Hardness: 2.5
Nežilovite
Hardness: 4 - 5
Niahite
Niasite
Nichromite
Nickel
Hardness: 3.5
Nickelaustinite
Hardness: 4
Nickelbischofite
Hardness: 1.5
Nickelblödite
Nickelboussingaultite
Hardness: 2.5
Nickelhexahydrite
Hardness: 2
Nickellotharmeyerite
Hardness: 4.5
Nickelphosphide
Hardness: 6.5 - 7
Nickelpicromerite
Hardness: 2 - 2.5
Nickelschneebergite
Hardness: 4 - 4.5
Nickelskutterudite
Hardness: 5.5 - 6
Nickeltalmessite
Hardness: 4
Nickeltsumcorite
Hardness: 4
Nickeltyrrellite
Nickelzippeite
Hardness: 5 - 5.5
Nickenichite
Hardness: 3
Nickolayite
Nicksobolevite
Hardness: 2 - 2.5
Niedermayrite
Nielsbohrite
Hardness: 2
Nielsenite
Nierite
Hardness: 9
Nifontovite
Hardness: 3.5
Niggliite
Hardness: 3
Niigataite
Hardness: 5 - 5.5
Nikischerite
Nikmelnikovite
Niksergievite
Hardness: 1 - 1.5
Nimite
Hardness: 3
Ningyoite
Hardness: 3 - 4
Niningerite
Hardness: 3.5 - 4
Nioboaeschynite-(ce)
Hardness: 5.5
Nioboaeschynite-(y)
Hardness: 5 - 6
Niobocarbide
Hardness: 8
Nioboheftetjernite
Nioboholtite
Niobokupletskite
Hardness: 3 - 4
Niobophyllite
Hardness: 3 - 4
Niocalite
Hardness: 6
Nipalarsite
Hardness: 4
Nisbite
Hardness: 5
Nishanbaevite
Nisnite
Nissonite
Hardness: 2.5
Niter
Hardness: 2
Nitratine
Hardness: 1.5 - 2
Nitrobarite
Hardness: 3
Nitrocalcite
Hardness: 1 - 2
Nitromagnesite
Nitscheite
Niveolanite
Nixonite
Hardness: 5 - 6
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