SPI Supplies

Monazite (Ce,La,Th)PO4

Locality: Kulyk Lake, Saskatchewan, Canada

Element%Oxide%
O25.90
P12.10 P2O527.73
Ca0.40 CaO 0.56
La12.90 La2O315.13
Ce30.80 Ce2O336.08
Pr4.20 Pr2O3 4.92
Nd8.70 Nd2O310.15
Th3.80 ThO2 4.32
Sum98.8 Sum98.9
200 µ m
This is a reflected light micrograph of polished, carbon coated monazite crystals. The identifying etched label, which is a feature of our standards, is invaluable for navigating in an electron beam instrument. This phosphate mineral is one of our most popular standards, being in great demand because of its rare earth element content - lanthanum, cerium, praseodymium and neodymium, as well as the radioactive element thorium.
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Cautionary Note
The compositional and other data shown here are intended to convey typical values for this item and do not neccessarily correspond in detail to standard mounts supplied in the past or to be supplied in the future. Items are changed from time to time as stock is exhausted or alternate choices are preferred. These data should, however, give someone contemplating the purchase of an SPI standard a fair indication of what they may expect to receive. Records are kept of all mounts sold so that, should you lose your documentation at some time in the future, we will be happy to replace it at no charge.


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Saturday July 05, 2008
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