Ussingite

Updated on Dec 03, 2023

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Formula (repeating unit) Na2AlSi3O8OH Crystal system Triclinic		Strunz classification 9.EH.20 Space group P1

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.

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