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DESCRIPTION
: LABORATORY
GROWN SYNTHETIC CORUNDUM ROUGH MATERIAL ( WITH MOHS 9 HARDNESS )
THAT IS USED TO CUT SYNTHETIC RUBY
JEWELS. WEIGHS APPROX. 234 CARATS.
A TOP QUALITY RUSSIAN MANUFACTURED AND THEN SPLIT IN HALF CORUNDUM
BOULE > THAT HAS A FINE DEEP RED
COLOR, AND IS NEAR INTERNALLY FLAWLESS. $5.00 A CARAT.
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