Natural Minerals Group

From the standards library of SPI Supplies and the C. M. Taylor Company

# AS1040-AB



ElementWt % OxideWt %
O 37.95
F 3.74F 3.74
Al 0.05Al2O3 0.09
Si 0.22SiO2 0.47
P 18.06P2O5 41.39
S 0.19SO3 0.49
Ca 38.58CaO 53.97
Ti 0.03TiO2 0.05
Sr 0.44SrO 0.51
Y 0.04Y2O3 0.05
La 0.16La2O3 0.19
Ce 0.28Ce2O3 0.32
Pr 0.08Pr2O3 0.09
Nd 0.12Nd2O3 0.14
Sm 0.05Sm2O3 0.06
Pb 0.02PbO 0.02

Sum100.0 Sum101.6

2mm cubes

Polished Apatite in T100-52 mount
This is a reflected light micrograph of polished, carbon coated apatite crystals. The identifying etched label, which is a feature of our standards, is invaluable for navigating in an electron beam instrument. Not only can this be used as a standard for phosphorus, but the significant amount of fluorine can be detected with most modern X-ray spectrometers, as can the trace concentrations of Rare Earth Elements. This sample comes from Wilberforce, Ontario, Canada.
Click here for a mineralogical account of everything you might want to know about Fluorapatite.

Name Description SPI # Each
Fluorapatite SPI SuppliesŪ Individual Mounted Microanalysis Standard Item AS1040-AB $
Fluorapatite SPI SuppliesŪ Individual Loose Microanalysis Standard Item AS1045-AB $

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