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Biotech / Medical : C3 ( CTHR ) Diamond in the rough?
CTHR 0.400+263.6%Oct 31 12:16 PM EST

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To: froland who wrote (51)1/8/1998 1:54:00 AM
From: Leslie S. Feinberg   of 226
 
froland; My understanding is that the tests C3 did were straight up and that the jewelers knew what they were being asked to distinguish.
Also, the national evening news feature (Jennings) a couple of weeks ago used an interview with a "prominent" gemnologist who said the moissanite gems were indistinguishable from the real thing without an instrument. The company is supposedly pushing the launch of the instrument and the moissanite stones at the same time because they are so concerned to avoid any FTC problems which they feel could well occur if they didn't offer reliable technology to differentiate the stones. So convincing a substitute is the C3 gem said to be. I find it hard to believe that the double refraction phenomenon reported is so obvious that all one needs to differentiate the stones is a 10X loupe.
Les
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