Ussingite
A variety of Minerals
What is Ussingite?
Ussingite is a silicate mineral with formula Na2AlSi3O8(OH). It was named for Niels Viggo Ussing (1864–1911), Copenhagen, Denmark.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Ussingite before comparing listings or appraisals.
Size & Weight
Larger, intact specimens usually command higher prices.
Rarity & Demand
Scarce material or popular varieties sell at a premium.
Condition & Finish
Chips, repairs, and heavy wear lower value; clean prep helps.
Treatment & Provenance
Untreated specimens with documented locality are prized.
Quick Facts
Physical Properties
- Color
- Pale to medium violet, reddish violet; sometimes barely tinted purple
- Hardness (Mohs)
- 6 - 7
- Rock tumbling
- With care
- Density
- 2.51 g/cm³
- Streak
- white
Chemical Properties
- Chemical Formula
- Na2AlSi3O8OH
- Elements
- Al, H, Na, O, Si
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Ussingite FAQs
How do I identify Ussingite?
Ussingite can be identified by its hardness of 6 - 7 on the Mohs scale, Pale to medium violet color. Look for these key characteristics when examining specimens.
What color is Ussingite?
Ussingite typically appears in Pale to medium violet, reddish violet; sometimes barely tinted purple. Color can vary depending on impurities and formation conditions.
How hard is Ussingite?
Ussingite has a hardness of 6 - 7 on the Mohs scale. This gives it moderate hardness.
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