Formula: Na2Mg3Si6O16 . 8H2O
Origin of name: For G. Loughlin, American geologist
Crystal system: Orthorhombic
Crystal class: 2/m 2/m 2/m
Twinning:
Unit cell:
Colour: Pearly white
Diaphaneity:
Luster: Silky
Habit: Massive, fibrous
Hardness: 1
Specific gravity: 2.17
Cleavage: None
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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