Hillite
A variety of Minerals
What is Hillite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Hillite 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.
Hillite Localities Map
See where Hillite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- colourless to greenish grey
- Hardness (Mohs)
- 3.5
- Density
- 3.16 g/cm³
- Streak
- white
Chemical Properties
- Chemical Formula
- Ca2(Zn,Mg)(PO4)2 · 2 H2O
- Elements
- Ca, H, Mg, O, P, Zn
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Hillite FAQs
How do I identify Hillite?
Hillite can be identified by its hardness of 3.5 on the Mohs scale, colourless to greenish grey color. Look for these key characteristics when examining specimens.
What color is Hillite?
Hillite typically appears in colourless to greenish grey. Color can vary depending on impurities and formation conditions.
How hard is Hillite?
Hillite has a hardness of 3.5 on the Mohs scale. This gives it moderate hardness.
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