| |
 |
Britholite-(Y) Mineral Data
|
|
|
General Britholite-(Y) Information
|
 Chemical Formula: |
(Y,Ca)5(SiO4,PO4)3(OH,F) |
| Composition: |
Molecular Weight = 642.79 gm |
| |
Calcium 12.47 % Ca 17.45 % CaO |
| |
Yttrium 41.49 % Y 52.69 % Y2O3 |
| |
Silicon 9.83 % Si 21.03 % SiO2 |
| |
Phosphorus 3.61 % P 8.28 % P2O5 |
| |
Hydrogen 0.12 % H 1.05 % H2O |
| |
Oxygen 31.74 % O |
| |
Fluorine 0.74 % F 0.74 % F |
| |
- %
F -0.31 % -O=F2 |
| |
______ ______ |
| |
100.00 % 100.93 % = TOTAL OXIDE |
| Empirical Formula: |
Y3Ca2(SiO4)2.25(PO4)0.75(OH)0.75F0.25 |
| Environment: |
In pegmatites. |
| IMA Status: |
Approved IMA 1966 |
| Locality: |
In the Suishoyama pegmatite, near Iisaka, Fukushima Prefecture, Japan Link to MinDat.org Location Data. |
| Name Origin: |
From the Greek for weight, in allusion to its density and the content of Y |
| Name Pronunciation: |
Britholite-(Y) + Pronunciation  |
| Synonym: |
Abukumalite |
| |
ICSD 33858 |
| |
PDF 31-315 |
| |