Johnbaumite
A variety of Minerals
What is Johnbaumite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Johnbaumite 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.
Johnbaumite Localities Map
See where Johnbaumite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Light grayish white
- Hardness (Mohs)
- 4.5
- Density
- 3.73 g/cm³
- Streak
- White
Chemical Properties
- Chemical Formula
- Ca5(AsO4)3OH
- Elements
- As, Ca, H, O
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Johnbaumite FAQs
How do I identify Johnbaumite?
Johnbaumite can be identified by its hardness of 4.5 on the Mohs scale, Light grayish white color. Look for these key characteristics when examining specimens.
What color is Johnbaumite?
Johnbaumite typically appears in Light grayish white. Color can vary depending on impurities and formation conditions.
How hard is Johnbaumite?
Johnbaumite has a hardness of 4.5 on the Mohs scale. This gives it moderate hardness.
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