Roaldite
A variety of Minerals
What is Roaldite?
Roaldite is a rare meteorite mineral containing iron, nickel and nitrogen ((Fe,Ni)4N). It was first described in 1981 for an occurrence in the Youngedin meteorite, Avon, Western Australia. It was named after Roald Norbach Nielsen (born 1928), a Danish expert in electron microprobe. The mineral has also been reported from the Jerslev meteorite, Sjaelland, Denmark, and the Canyon Diablo meteorite of Meteor Crater in Arizona.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Roaldite 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.
Roaldite Localities Map
See where Roaldite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Tin-white
- Hardness (Mohs)
- 5.5 - 6.5
- Density
- 7.21 g/cm³
Chemical Properties
- Chemical Formula
- (Fe,Ni)4N
- Elements
- Fe, N, Ni
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Roaldite FAQs
How do I identify Roaldite?
Roaldite can be identified by its hardness of 5.5 - 6.5 on the Mohs scale, Tin-white color. Look for these key characteristics when examining specimens.
What color is Roaldite?
Roaldite typically appears in Tin-white. Color can vary depending on impurities and formation conditions.
How hard is Roaldite?
Roaldite has a hardness of 5.5 - 6.5 on the Mohs scale. This gives it moderate hardness.
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