Formula: K2CaMg2(Al,Si)36O72 . 28H2O
Origin of name: For F. Mazzi, Italian mineralogist
Crystal system: Hexagonal
Crystal class: 6/m 2/m 2/m
Twinning:
Unit cell: a = 18.39 Å, c = 7.64 Å
Colour: Colourless
Diaphaneity: Transparent
Luster:
Habit: Groups of needles to 1.5 mm long
Hardness: 4
Specific gravity: 2.108
Cleavage: None
Tenacity:
Streak: White
Synonyms/varieties:
Comments:
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