Keilite
A variety of Minerals
What is Keilite?
Keilite is an iron-magnesium sulfide mineral with the chemical formula (Fe,Mg)S) that is found in enstatite chondrites. Keilite is the iron-dominant analog of niningerite. Keilite is named after Klaus Keil (born 1934).
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Keilite 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.
Keilite Localities Map
See where Keilite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Gray
- Density
- 3.958 g/cm³
Chemical Properties
- Chemical Formula
- (Fe2+,Mg)S
- Elements
- Fe, Mg, S
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Keilite FAQs
How do I identify Keilite?
Keilite can be identified by its Gray color. Look for these key characteristics when examining specimens.
What color is Keilite?
Keilite typically appears in Gray. Color can vary depending on impurities and formation conditions.
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