Franzinite
A variety of Cancrinite Group
What is Franzinite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Franzinite 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.
Franzinite Localities Map
See where Franzinite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Colourless, pearl white
- Hardness (Mohs)
- 5
- Density
- 2.46 - 2.52 g/cm³
- Streak
- White
Chemical Properties
- Chemical Formula
- (Na,K)6Ca2(Al6Si6O24)(SO4)2 · 0.5H2O
- Elements
- Al, Ca, H, K, Na, O, S, Si
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Franzinite FAQs
How do I identify Franzinite?
Franzinite can be identified by its hardness of 5 on the Mohs scale, Colourless color. Look for these key characteristics when examining specimens.
What color is Franzinite?
Franzinite typically appears in Colourless, pearl white. Color can vary depending on impurities and formation conditions.
How hard is Franzinite?
Franzinite has a hardness of 5 on the Mohs scale. This gives it moderate hardness.
