Ferro-ferri-obertiite
A variety of Obertiite Root Name Group
What is Ferro-ferri-obertiite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Ferro-ferri-obertiite 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.
Ferro-ferri-obertiite Localities Map
See where Ferro-ferri-obertiite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Black
- Hardness (Mohs)
- 6
- Density
- 3.33 g/cm³
- Streak
- Grey
Chemical Properties
- Chemical Formula
- NaNa2(Fe2+3Fe3+Ti)Si8O22O2 Ferro-ferri-obertiite is a obertiite root name amphibole in the WO2- dominant amphibole group with Fe2+ as the dominant element in the C2+ position and Fe3+ as the dominant element in the C3+ position.
- Elements
- Fe, Na, O, Si, Ti
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Ferro-ferri-obertiite FAQs
How do I identify Ferro-ferri-obertiite?
Ferro-ferri-obertiite can be identified by its hardness of 6 on the Mohs scale, Black color. Look for these key characteristics when examining specimens.
What color is Ferro-ferri-obertiite?
Ferro-ferri-obertiite typically appears in Black. Color can vary depending on impurities and formation conditions.
How hard is Ferro-ferri-obertiite?
Ferro-ferri-obertiite has a hardness of 6 on the Mohs scale. This gives it moderate hardness.
