Evansite
A variety of Minerals
What is Evansite?
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Evansite 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.
Evansite Localities Map
See where Evansite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Colourless, milk-white, lightly tinted blue, green or yellow at times; brown, reddish-brown, or red due to FeO inclusions; colourless to brown in transmitted light
- Hardness (Mohs)
- 3.5 - 4
- Density
- 1.8 - 2.2 g/cm³
- Streak
- White; lightly tinted.
Chemical Properties
- Chemical Formula
- Al3(PO4)(OH)6 · 6H2O
- Elements
- Al, H, O, P
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Evansite FAQs
How do I identify Evansite?
Evansite can be identified by its hardness of 3.5 - 4 on the Mohs scale, Colourless color. Look for these key characteristics when examining specimens.
What color is Evansite?
Evansite typically appears in Colourless, milk-white, lightly tinted blue, green or yellow at times; brown, reddish-brown, or red due to FeO inclusions; colourless to brown in transmitted light. Color can vary depending on impurities and formation conditions.
How hard is Evansite?
Evansite has a hardness of 3.5 - 4 on the Mohs scale. This gives it moderate hardness.
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