| | | 8" mirror. This was listed as an IR mirror, but it looks indistinguishable from an ordinary un-etched silicon semiconductor wafer.  Probably is, just repackaged for use as a mirror.
 Source: eBay seller terri63097
 Contributor: Theodore Gray
 Acquired: 15 October, 2004
 Price: $15
 Size: 8"
 Purity: 99.9999%
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