Tounkite
A variety of Minerals
What is Tounkite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Tounkite 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.
Tounkite Localities Map
See where Tounkite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Green to yellowish-green, glass-green with a yellowish or gray tint
- Hardness (Mohs)
- 5 - 5.5
- Streak
- White
Chemical Properties
- Chemical Formula
- (Na,Ca,K)8(Al6Si6O24)(SO4)2Cl · H2O
- Elements
- Al, Ca, Cl, H, K, Na, O, S, Si
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Tounkite FAQs
How do I identify Tounkite?
Tounkite can be identified by its hardness of 5 - 5.5 on the Mohs scale, Green to yellowish-green color. Look for these key characteristics when examining specimens.
What color is Tounkite?
Tounkite typically appears in Green to yellowish-green, glass-green with a yellowish or gray tint. Color can vary depending on impurities and formation conditions.
How hard is Tounkite?
Tounkite has a hardness of 5 - 5.5 on the Mohs scale. This gives it moderate hardness.
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