Formula(repeating unit) Na2AlSi3O8OH Crystal system Triclinic | Strunz classification 9.EH.20 Space group P1 | |
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Category Phyllosilicate minerals Crystal class Pinacoidal (1)(same H-M symbol) | ||
Ussingite is a silicate mineral with formula Na2AlSi3O8(OH).
It was named for Niels Viggo Ussing (1864–1911), Copenhagen, Denmark.
References
Ussingite Wikipedia(Text) CC BY-SA