Montroseite
A variety of Minerals
What is Montroseite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Montroseite 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
- Black
- Hardness (Mohs)
- 5.5 - 6.5
- Rock tumbling
- With care
- Density
- 4.15 g/cm³
- Streak
- Black
Chemical Properties
- Chemical Formula
- (V3+,Fe3+)O(OH)
- Elements
- Fe, H, O, V
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Montroseite FAQs
How do I identify Montroseite?
Montroseite can be identified by its hardness of 5.5 - 6.5 on the Mohs scale, Black color. Look for these key characteristics when examining specimens.
What color is Montroseite?
Montroseite typically appears in Black. Color can vary depending on impurities and formation conditions.
How hard is Montroseite?
Montroseite has a hardness of 5.5 - 6.5 on the Mohs scale. This gives it moderate hardness.
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