SPI Supplies

Chlorite, var. clinochlore Mg6AlSi3O10(OH)8

Locality: West Chester County, Pennsylvania USA

Element%Oxide%
H1.54H2O13.76
C0.02CO2 0.07
O51.14
F0.02 F 0.02
Mg20.21 MgO33.51
Al9.57 Al2O318.08
Si14.04 SiO230.04
Ca0.02 CaO 0.03
Cr0.67 Cr2O3 0.98
Fe2.57 FeO 3.31
Ni0.19 NiO 0.24
Sum100.0 Sum100.0
200 µ m
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).
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Cautionary Note
The compositional and other data shown here are intended to convey typical values for this item and do not neccessarily correspond in detail to standard mounts supplied in the past or to be supplied in the future. Items are changed from time to time as stock is exhausted or alternate choices are preferred. These data should, however, give someone contemplating the purchase of an SPI standard a fair indication of what they may expect to receive. Records are kept of all mounts sold so that, should you lose your documentation at some time in the future, we will be happy to replace it at no charge.


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Wednesday July 09, 2008
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