Formula: Ca2[]2(Fe3+,Mn2+,Mg)4Be4[(OH)4|(PO4)6]
· 6H2O
Origin of name:
Crystal system: Monoclinic
Crystal class: 2/m
Twinning:
Unit cell: a = 15.92, b = 11.91, c = 6.61, β = 96.4°
Colour:
Diaphaneity:
Luster:
Habit:
Hardness:
Specific gravity:
Cleavage:
Tenacity:
Streak:
Synonyms/varieties: IMA2005-061a
Comments:
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