Formula: Na4Li2Fe2Si12O30
Origin of name: For C. Emeleus, English petrologist
Crystal system: Orthorhombic, pseudohexagonal
Crystal class: 2/m 2/m 2/m
Twinning:
Unit cell:
Colour: Colourless
Diaphaneity: Transparent
Luster: Vitreous
Habit: Crystals tabular
Hardness: 5 to 6
Specific gravity: 2.76
Cleavage: None
Tenacity:
Streak:
Synonyms/varieties:
Comments:
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