Natural Minerals Group

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

# AS5190-AB



ElementWt % OxideWt %
O 19.46
Mn 10.92MnO 14.10
Nb 3.91Nb2O5 5.60
Ta 66.01Ta2O5 80.60

Sum100.3 Sum100.3

2mm cubes
Eugene Foord

Polished Mn tantalite in T100-52 mount

Name Description SPI # Each
Manganotantalite SPI SuppliesŪ Individual Mounted Microanalysis Standard Item AS5190-AB $
Manganotantalite SPI SuppliesŪ Individual Loose Microanalysis Standard Item AS5195-AB $

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