Tychite

carbonate

northupite

Formula: Na6Mg2(CO3)4(SO4) compound carbonate
Specific gravity: 2.456
Hardness: 4
Streak: White
Colour: Colourless
Solubility: Soluble in dilute acids
Environments:

Sedimentary environments

Tychite occurs in continental evaporite deposits in northupite, or associated with gaylussite, thénardite, pirssonite and schairerite.

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