Preiswerkite
A variety of Minerals
What is Preiswerkite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Preiswerkite 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.
Preiswerkite Localities Map
See where Preiswerkite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Pale green to colourless
- Hardness (Mohs)
- 2.5
- Density
- 2.94 g/cm³
Chemical Properties
- Chemical Formula
- NaMg2Al(Al2Si2O10)(OH)2
- Elements
- Al, H, Mg, Na, O, Si
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Preiswerkite FAQs
How do I identify Preiswerkite?
Preiswerkite can be identified by its hardness of 2.5 on the Mohs scale, Pale green to colourless color. Look for these key characteristics when examining specimens.
What color is Preiswerkite?
Preiswerkite typically appears in Pale green to colourless. Color can vary depending on impurities and formation conditions.
How hard is Preiswerkite?
Preiswerkite has a hardness of 2.5 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
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