Coutinhoite
A variety of Minerals
What is Coutinhoite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Coutinhoite 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
- yellow
- Hardness (Mohs)
- 2
- Rock tumbling
- Not recommended
- Streak
- yellow
Chemical Properties
- Chemical Formula
- ThxBa(1-2x)(UO2)2Si5O13 · (H2O)1+y (0 < x < 0.5 and 0 < y < (2+x))
- Elements
- Ba, H, O, Si, Th, U
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Coutinhoite FAQs
How do I identify Coutinhoite?
Coutinhoite can be identified by its hardness of 2 on the Mohs scale, yellow color. Look for these key characteristics when examining specimens.
What color is Coutinhoite?
Coutinhoite typically appears in yellow. Color can vary depending on impurities and formation conditions.
How hard is Coutinhoite?
Coutinhoite has a hardness of 2 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
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