Formula: (Ca,Na)3(Mg,Mn)2(AsO4)3
Origin of name: For Baron Jons Berzelius, Swedish chemist
Crystal system: Cubic
Crystal class: 4/m -3 2/m
Twinning:
Unit cell:
Colour: Sulfur yellow to orange-yellow
Diaphanetiy: Transparent to translucent
Luster: Resinous
Habit: Crystals rare as tiny modified trapezohedrons; massive, rounded grains
Hardness: 4.5 to 5
Specific gravity: ~ 4.08
Cleavage: None
Tenacity:
Streak:
Synonyms/varieties:
Comments: Series with manganberzeliite; atomic structure similar to garnet
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