SPI Supplies

Cassiterite (Synthetic) SnO2

Source: Alfa Aesar, Massachusetts, USA

Element%Oxide%
O21.24
Sn78.76 SnO2100.00
Sum100.0 Sum100.0
200 µ m
This is a reflected light micrograph of polished, carbon coated synthetic cassiterite (tin oxide) crystals. The identifying etched label, which is a feature of our standards, is invaluable for navigating in an electron beam instrument. Cassiterite is a very hard mineral which resists abrasion, hence its occurrence in placer ore deposits, and the slightly raised and rounded surfaces of the crystals in this image. No danger of this stuff getting scratched! An excellent standard for tin, for which it is the main ore, Its name means tin in Greek.
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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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Thursday February 09, 2012
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