Natural Minerals Group

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

# AS1110-AB



ElementWt % OxideWt %
H 1.54H2O 13.76
C 0.02CO2 0.07
O 51.14
F 0.02F 0.02
Mg 20.21MgO 33.51
Al 9.57Al2O3 18.08
Si 14.04SiO2 30.04
Ca 0.02CaO 0.03
Cr 0.67Cr2O3 0.98
Fe 2.57FeO 3.31
Ni 0.19NiO 0.24

Sum100.0 Sum100.0

Separated loose crystals

Polished secion of chlorite
Locality: West Chester, PA, USA
This is a reflected light micrograph of a polished, carbon coated chlorite crystal. The identifying etched label, which is a feature of our standards, is invaluable for navigating in an electron beam instrument. Chlorite is a flexible platy mineral which rarely forms large crystals. In this case the crystal is seen edge-on, with sheaf-like flakes at the top. The name refers to the green color of most crystals (Greek chloros = green). This sample is the variety clinochlore.
Click here for a mineralogical account of everything you might want to know about Chlorite.

Name Description SPI # Each
Chlorite SPI SuppliesŪ Individual Mounted Microanalysis Standard Item AS1110-AB $
Chlorite SPI SuppliesŪ Individual Loose Microanalysis Standard Item AS1115-AB $

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