Formula: Na6Fe2(SO4)(CO3)4
Origin of name: From ferrous iron (Fe2+) and tychite
Crystal system: Cubic
Crystal class: 2/m -3
Twinning:
Unit cell:
Colour: Colourless to light yellow
Diaphaneity:
Luster: Vitreous
Habit: Small grains
Hardness: 4
Specific gravity: 2.79
Cleavage: None
Tenacity:
Streak:
Synonyms/varieties:
Comments: Series with tychite
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