Derbylite
A variety of Minerals
What is Derbylite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Derbylite 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.
Derbylite Localities Map
See where Derbylite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Pitch-black, dark brown (when translucent)
- Hardness (Mohs)
- 5
- Density
- 4.76 g/cm³
- Streak
- Brown
Chemical Properties
- Chemical Formula
- Fe3+4Ti3Sb3+O13(OH)
- Elements
- Fe, H, O, Sb, Ti
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Derbylite FAQs
How do I identify Derbylite?
Derbylite can be identified by its hardness of 5 on the Mohs scale, Pitch-black color. Look for these key characteristics when examining specimens.
What color is Derbylite?
Derbylite typically appears in Pitch-black, dark brown (when translucent). Color can vary depending on impurities and formation conditions.
How hard is Derbylite?
Derbylite has a hardness of 5 on the Mohs scale. This gives it moderate hardness.
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