Tancoite
A variety of Minerals
What is Tancoite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Tancoite 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.
Tancoite Localities Map
See where Tancoite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Colorless to light pink
- Hardness (Mohs)
- 4 - 4.5
- Density
- 2.724 g/cm³
- Streak
- White
Chemical Properties
- Chemical Formula
- LiNa2Al(PO4)(PO3OH)(OH)
- Elements
- Al, H, Li, Na, O, P
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Tancoite FAQs
How do I identify Tancoite?
Tancoite can be identified by its hardness of 4 - 4.5 on the Mohs scale, Colorless to light pink color. Look for these key characteristics when examining specimens.
What color is Tancoite?
Tancoite typically appears in Colorless to light pink. Color can vary depending on impurities and formation conditions.
How hard is Tancoite?
Tancoite has a hardness of 4 - 4.5 on the Mohs scale. This gives it moderate hardness.
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