Giniite
A variety of Minerals
What is Giniite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Giniite 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.
Giniite Localities Map
See where Giniite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Black, Greenish black, Brownish black
- Hardness (Mohs)
- 3 - 4
- Density
- 3.42 g/cm³
- Streak
- Dark olive green
Chemical Properties
- Chemical Formula
- Fe2+Fe3+4(PO4)3(OH)5 · 2H2O
- Elements
- Fe, H, O, P
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Giniite FAQs
How do I identify Giniite?
Giniite can be identified by its hardness of 3 - 4 on the Mohs scale, Black color. Look for these key characteristics when examining specimens.
What color is Giniite?
Giniite typically appears in Black, Greenish black, Brownish black. Color can vary depending on impurities and formation conditions.
How hard is Giniite?
Giniite has a hardness of 3 - 4 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
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