Formula: [](CaNa)(Fe,Mg)4 (Al,Fe)(Si,Al)8O22(OH)2
Origin of name: From ferrous iron (Fe2+) and winchite
Crystal system: Monoclinic
Crystal class: 2/m
Twinning:
Unit cell:
Colour:
Diaphaneity:
Luster:
Habit:
Hardness: 5 to 6
Specific gravity:
Cleavage: None
Tenacity:
Streak:
Synonyms/varieties:
Comments: Series with winchite; natural occurence uncertain
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