SPI Supplies Brand Standards for Microanalysis CMTaylor Andradite (Canada) Unmounted Loose Grain

SPI Supplies Brand Standards for Microanalysis CMTaylor Andradite (Canada) Unmounted Loose Grain
SPI Supplies Brand Standards for Microanalysis CMTaylor Andradite (Canada) Unmounted Loose Grain
$207.48
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ItemAS5565-AB

SPI Supplies Brand Standards for Microanalysis CMTaylor Andradite (Canada) Unmounted Loose Grain

Andradite is a garnet with the ideal end-member formula Ca3Fe3+2Si3O12 but several other rock-forming elements may be present, as the composition of this one shows. Locality: Marmora, Ontario, Canada

Element Wt % Oxide Wt %
O 38.51
Mg 0.12 MgO 0.20
Al 3.70 Al2O3 6.98
Si 16.00 SiO2 34.23
Ca 23.59 CaO 33.01
Ti 0.14 TiO2 0.23
Mn 0.39 MnO 0.50
Fe 1.72 FeO 2.22
Fe 15.82 Fe2O3 22.62


Sum 100.0 Sum 100.0