Luddenite
A variety of Minerals
What is Luddenite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Luddenite 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
- Translucent nickel green
- Hardness (Mohs)
- 4
- Rock tumbling
- Not recommended
- Density
- 4.45 g/cm³
- Streak
- Pale nickel green
Chemical Properties
- Chemical Formula
- Cu2Pb2Si5O14 · 4H2O
- Elements
- Cu, H, O, Pb, Si
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Luddenite FAQs
How do I identify Luddenite?
Luddenite can be identified by its hardness of 4 on the Mohs scale, Translucent nickel green color. Look for these key characteristics when examining specimens.
What color is Luddenite?
Luddenite typically appears in Translucent nickel green. Color can vary depending on impurities and formation conditions.
How hard is Luddenite?
Luddenite has a hardness of 4 on the Mohs scale. This gives it moderate hardness.
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