DYOS Tool

Natural Minerals Group

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

# AS5340-AB

Arsenopyrite*

FeAsS
ElementWt %
S 19.08
S 21.03 ± 0.31
Fe 33.85
Fe 34.51 ± 0.02
Co 0.0042
Ni 0.0011
Cu 0.015
As 46.94
As 44.44 ± 0.45
Sb 0.04
Bi 0.01
Sum199.9 ± 0.5

2 - 3mm fragments of arsenopyrite
This is the arsenopyrite #57 which was reported by Kretschmar and Scott (Canadian Mineralogist Vol. 14, pp 364-386, 1976) and the original wet chemical analysis was performed by R.V.Kirkham in his 1969 PhD thesis at the University of Wisconsin.

* for a mineralogist's account of arsenopyrite click here
Name Description SPI # Each
Arsenopyrite SPI Supplies® Individual Mounted Microanalysis Standard Item AS5340-AB $199.56
Arsenopyrite SPI Supplies® Individual Loose Microanalysis Standard Item AS5345-AB $199.56

# AS5350-AB

Arsenopyrite

(Alternate - either version of this item may be used in our Off-The-Shelf Standards)

FeAsS
ElementWt %
S 21.03 ± 0.31
Fe 34.51 ± 0.02
As 44.44 ± 0.45
Sum100.0 ± 0.5

Splintered fragments of arsenopyrite in the 1 - 2mm size range
This is the arsenopyrite #200 which was reported by Kretschmar and Scott in the Canadian Mineralogist Vol. 14, pp. 364-386, 1976). The composition given here was determined by 24 independent electron probe analyses performed at the University of
Name Description SPI # Each
Arsenopyrite SPI Supplies® Individual Mounted Microanalysis Standard Item AS5350-AB $199.56
Arsenopyrite SPI Supplies® Individual Loose Microanalysis Standard Item AS5355-AB $199.56
   
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