Tassieite
A variety of Minerals
What is Tassieite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Tassieite 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.
Tassieite Localities Map
See where Tassieite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- dark green
- Density
- 3.45 g/cm³
- Streak
- light green
Chemical Properties
- Chemical Formula
- (Na,◻)Ca2(Mg,Fe2+,Fe3+)2(Fe2+,Mg)2(Fe3+,Mg)2(PO4)6 · 2H2O
- Elements
- Ca, Fe, H, Mg, Na, O, P
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Tassieite FAQs
How do I identify Tassieite?
Tassieite can be identified by its dark green color. Look for these key characteristics when examining specimens.
What color is Tassieite?
Tassieite typically appears in dark green. Color can vary depending on impurities and formation conditions.
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