Manjiroite
A variety of Minerals
What is Manjiroite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Manjiroite 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.
Manjiroite Localities Map
See where Manjiroite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Dark brownish-gray
- Hardness (Mohs)
- 3 - 3.5
- Density
- 4.23 g/cm³
- Streak
- Brownish black
Chemical Properties
- Chemical Formula
- Na(Mn4+7Mn3+)O16 May contain K replacing Na.
- Elements
- Mn, Na, O
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Manjiroite FAQs
How do I identify Manjiroite?
Manjiroite can be identified by its hardness of 3 - 3.5 on the Mohs scale, Dark brownish-gray color. Look for these key characteristics when examining specimens.
What color is Manjiroite?
Manjiroite typically appears in Dark brownish-gray. Color can vary depending on impurities and formation conditions.
How hard is Manjiroite?
Manjiroite has a hardness of 3 - 3.5 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
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