Ianthinite
A variety of Minerals
What is Ianthinite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Ianthinite 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.
Ianthinite Localities Map
See where Ianthinite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Violet-black; dark violet in transmitted light
- Hardness (Mohs)
- 2 - 3
- Streak
- Brown, violet
Chemical Properties
- Chemical Formula
- U4+(UO2)5O7 · 10H2O
- Elements
- H, O, U
Also Known As
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Ianthinite FAQs
How do I identify Ianthinite?
Ianthinite can be identified by its hardness of 2 - 3 on the Mohs scale, Violet-black; dark violet in transmitted light color. Look for these key characteristics when examining specimens.
What color is Ianthinite?
Ianthinite typically appears in Violet-black; dark violet in transmitted light. Color can vary depending on impurities and formation conditions.
How hard is Ianthinite?
Ianthinite has a hardness of 2 - 3 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
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