|
|
Lacroixite Mineral Data
|
|
|
General Lacroixite Information
|
Chemical Formula: |
NaAl(PO4)F |
Composition: |
Molecular Weight = 163.94 gm |
|
Sodium 14.02 % Na 18.90 % Na2O |
|
Aluminum 16.46 % Al 31.10 % Al2O3 |
|
Phosphorus 18.89 % P 43.29 % P2O5 |
|
Oxygen 39.04 % O |
|
Fluorine 11.59 % F 11.59 % F |
|
- %
F -4.88 % -O=F2 |
|
______ ______ |
|
100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
NaAl(PO4)F |
Environment: |
In druses in granite. |
IMA Status: |
Valid Species (Pre-IMA) 1914 |
Locality: |
Large crystals [from the Koppar quarry,] on the Greifensteine, near Ehrenfriedersdorf, Saxony, Germany. Link to MinDat.org Location Data. |
Name Origin: |
Named for Francois Antoine Alfred Lacroix (1863-1948), French mineralogist, Natural History Museum, Paris, France. |
Name Pronunciation: |
Lacroixite + Pronunciation |
Synonym: |
ICSD 40522 |
|
PDF 39-325 |
|