Keystoneite
A variety of Minerals
What is Keystoneite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Keystoneite 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.
Applies to all rocks & minerals.
Quick Facts
Physical Properties
- Color
- Golden yellow
- Density
- 4.4 g/cm³
- Streak
- Pale yellow-green
Chemical Properties
- Chemical Formula
- Mg0.5Ni2+Fe3+(Te4+O3)3 · 4.5H2O
- Elements
- Fe, H, Mg, Mn, Ni, O, Te
Also Known As
KeystoneiteKeystoneite (of Back et al.)
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Keystoneite FAQs
How do I identify Keystoneite?
Keystoneite can be identified by its Golden yellow color. Look for these key characteristics when examining specimens.
What color is Keystoneite?
Keystoneite typically appears in Golden yellow. Color can vary depending on impurities and formation conditions.
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