Formula : Zn2(Fe2+,Mn2+)[PO4]2 * 4 H2O
System: monoclinic Hardness:3-3˝ Rarity:rare
Strunz id:VII/C.11-10 -
PHOSPHATES, ARSENATES and VANADATES
Name origin: In allusion to its composition, being a phosphate, and structure, from the Greek (phyllos) for leaf, referring to its perfect cleavage.
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