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SPI Supplies Individual Mounted Microanalysis Standard Item, Minerals Group, Almandine
SPI Supplies Individual Mounted Microanalysis Standard Item, Minerals Group, Almandine
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SPI Supplies Individual Mounted Microanalysis Standard Item, Minerals Group, Almandine

Item Number AS1020-AB
Availability Contact for Availability
Price  $178.60

SPI Supplies Individual Mounted Microanalysis Standard Item, Minerals Group, Almandine

This is an optical micrograph of a polished, carbon coated almandine garnet crystal taken in reflected light. The identifying etched label, which is a feature of our standards, is invaluable for navigating in an electron beam instrument. Almandine (or almandite) is the iron aluminum end member of the garnets and is a rugged mineral as can be seen from its good polish and prominent relief. Homogeneous garnets are rare so this is a prized material. 
Click here for a mineralogical account of everything you might want to know about Almandine.

Element Wt % Oxide Wt %
O 42.01
Mg 6.45 MgO 10.70
Al 11.67 Al2O3 22.05
Si 18.32 SiO2 39.19
Ca 3.00 CaO 4.20
Mn 0.46 MnO 0.59
Fe 18.09 FeO 23.27


Sum 100.0 Sum 100.0