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Al-K-O-Si, Mohs hardness
P1005182-1
P1005184-2
P1005184-3
P1006114-1
P1006230-1
P1006235-1
P1006243-1
P1006257-1
P1006278-1
P1006290-1
P1006291-1
P1006294-1
P1006304-1
P1006315-1
P1006316-1