Günterblassite
A variety of Minerals
What is Günterblassite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Günterblassite 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.
Günterblassite Localities Map
See where Günterblassite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- colorless, white, pale yellow, or brown
- Hardness (Mohs)
- 4
- Density
- 2.17 g/cm³
- Streak
- white
Chemical Properties
- Chemical Formula
- (K,Ca,Ba)2(Fe,Ca,Mg,Na)[(Si,Al)13O25(OH)4] · 7H2O · Also given as (K,Ca,Ba,Na◻)3Fe[(Si,Al)13O25(OH,O)4].7H2O
- Elements
- Al, Ba, Ca, Fe, H, K, Na, O, Si

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Günterblassite FAQs
How do I identify Günterblassite?
Günterblassite can be identified by its hardness of 4 on the Mohs scale, colorless color. Look for these key characteristics when examining specimens.
What color is Günterblassite?
Günterblassite typically appears in colorless, white, pale yellow, or brown. Color can vary depending on impurities and formation conditions.
How hard is Günterblassite?
Günterblassite has a hardness of 4 on the Mohs scale. This gives it moderate hardness.


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