Copiapite (group) [ AFeIII4(SO4)6(OH)2·xH2O, A=Al,Ca,Fe,Cu,Mg,Zn, n~18-20 ]

Material properties

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Crystal symmetry Triclinic, Point group 1, Space group P1 (#2)
Tags Group, Hydrated , Hydroxide , Sulphate

Composition

Element Atoms
Ca 0-1
S 6
Mg 0-1
H 38-42
Fe 4-5
Cu 0-1
Zn 0-1
Al 0-0.67
O 44-46