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Microcline (amazonite pale green)
Microcline (feldspar)
Microcline crystallized
Microcline pink (feldspar pink)
Microcline red (feldspar red)
Microcline white (feldspar white)
Millerite
Molybdenite
Molybdenite in quartz or microcline
Monazite
Moonstone (albite peristerite)
Muscovite (mica white silver)
Narsarsukite
Natrolite crystallized
Natrolite massive
Nepheline
Nephrite
Nickeline
Oligoclase
Olivine
