Natural Minerals Group

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

# AS1380-AB



ElementWt % OxideWt %
O 29.56
Mg 0.31MgO 0.53
Si 13.45SiO2 28.76
Mn 4.52MnO 5.83
Zn 51.96ZnO 64.68

Sum 99.8 Sum 99.8

Loose pieces
Locality: Franklin Furnace, NJ, USA

Polished willemite in 02753-AB mount
This is a reflected light micrograph of polished, carbon coated willemite crystals. The identifying etched label, which is a feature of our standards, is invaluable for navigating in an electron beam instrument. This standard offers a major quantity of zinc in a silicate matrix, as well as providing an excellent means of locating the electron beam through its bright green cathodoluminescence. It is named after King Willem I of the Netherlands.
Click here for a mineralogical account of everything you might want to know about Willemite.

Name Description SPI # Each
Willemite SPI SuppliesŪ Individual Mounted Microanalysis Standard Item AS1380-AB $
Willemite SPI SuppliesŪ Individual Loose Microanalysis Standard Item AS1385-AB $

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