Fluellite
A variety of Minerals
What is Fluellite?
Fluellite is a mineral with the chemical formula Al2(PO4)F2(OH)•7H2O. The name is from its chemical composition, being a fluate of alumine (French). It was first described in 1824 for an occurrence in the Stenna Gwyn Mine, St Stephen-in-Brannel, St Austell District, Cornwall, England. It is a rare secondary mineral found in complex granite pegmatites where it forms by weathering of earlier phosphate minerals. It is found in association with fluorapatite, wavellite, phosphosiderite, strengite, aldermanite, cacoxenite, variscite, turquoise, fluorite and quartz.
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Fluellite 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.
Fluellite Localities Map
See where Fluellite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Quick Facts
Physical Properties
- Color
- Colourless, white, yellow
- Hardness (Mohs)
- 3
- Density
- 2.29 g/cm³
Chemical Properties
- Chemical Formula
- Al2(PO4)F2(OH) · 7H2O
- Elements
- Al, F, H, O, P
Also Known As
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Fluellite FAQs
How do I identify Fluellite?
Fluellite can be identified by its hardness of 3 on the Mohs scale, Colourless color. Look for these key characteristics when examining specimens.
What color is Fluellite?
Fluellite typically appears in Colourless, white, yellow. Color can vary depending on impurities and formation conditions.
How hard is Fluellite?
Fluellite has a hardness of 3 on the Mohs scale. This makes it a soft mineral that can be scratched easily.
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