Ludlockite
A variety of Minerals
What is Ludlockite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Ludlockite 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.
Ludlockite Localities Map
See where Ludlockite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Orange Red, orange brown
- Hardness (Mohs)
- 1.5 - 2
- Density
- 4.35 g/cm³
- Streak
- light brown
Chemical Properties
- Chemical Formula
- PbFe3+4As3+10O22
- Elements
- As, Fe, O, Pb

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Ludlockite FAQs
How do I identify Ludlockite?
Ludlockite can be identified by its hardness of 1.5 - 2 on the Mohs scale, Orange Red color. Look for these key characteristics when examining specimens.
What color is Ludlockite?
Ludlockite typically appears in Orange Red, orange brown. Color can vary depending on impurities and formation conditions.
How hard is Ludlockite?
Ludlockite has a hardness of 1.5 - 2 on the Mohs scale. This makes it a soft mineral that can be scratched easily.


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