Afmite
A variety of Minerals
What is Afmite?
Afmite is phosphate mineral with the chemical formula Al3(OH)4(PO4)(PO3OH)·H2O. It is named for the French mineralogy group Association Française de Microminéralogie, or AFM for short.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Afmite 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.
Applies to all rocks & minerals.
Quick Facts
Chemical Properties
- Chemical Formula
- Al3(OH)4(H2O)3(PO4)(PO3OH) · H2O
- Elements
- Al, H, O, P
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