Carlsonite
A variety of Minerals
What is Carlsonite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Carlsonite 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.
Carlsonite Localities Map
See where Carlsonite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- yellow to orange-brown
- Hardness (Mohs)
- 2
- Density
- 2.167 g/cm³
- Streak
- tan
Chemical Properties
- Chemical Formula
- (NH4)5Fe3+3O(SO4)6·7H2O
- Elements
- Fe, H, N, O, S
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Carlsonite FAQs
How do I identify Carlsonite?
Carlsonite can be identified by its hardness of 2 on the Mohs scale, yellow to orange-brown color. Look for these key characteristics when examining specimens.
What color is Carlsonite?
Carlsonite typically appears in yellow to orange-brown. Color can vary depending on impurities and formation conditions.
How hard is Carlsonite?
Carlsonite has a hardness of 2 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
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