Francolite
Phosphate mineral
From Wikipedia, the free encyclopedia
Francolite is a carbonate rich variety of the mineral fluorapatite[1] and is present in most sedimentary phosphorites. It has a variable chemical composition which can be represented by (Ca,Mg,Sr,Na)10(PO4,SO4,CO3)6F2−3.[2] The mineral was named after its occurrence at Wheal Franco, Whitchurch, Tavistock District, Devon, England.[1]
CategoryPhosphate minerals
Formula(Ca,Mg,Sr,Na)10(PO4,SO4,CO3)6F2−3
| Francolite | |
|---|---|
Francolite found in Russia | |
| General | |
| Category | Phosphate minerals |
| Formula | (Ca,Mg,Sr,Na)10(PO4,SO4,CO3)6F2−3 |
