Holtedahlite
A variety of Minerals
What is Holtedahlite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Holtedahlite 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.
Holtedahlite Localities Map
See where Holtedahlite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Colorless
- Hardness (Mohs)
- 4.5 - 5
Chemical Properties
- Chemical Formula
- Mg2(PO4)(OH)
- Elements
- C, H, Mg, O, P

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Holtedahlite FAQs
How do I identify Holtedahlite?
Holtedahlite can be identified by its hardness of 4.5 - 5 on the Mohs scale, Colorless color. Look for these key characteristics when examining specimens.
What color is Holtedahlite?
Holtedahlite typically appears in Colorless. Color can vary depending on impurities and formation conditions.
How hard is Holtedahlite?
Holtedahlite has a hardness of 4.5 - 5 on the Mohs scale. This gives it moderate hardness.


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