-40%
10 GRAM 13 PIECES ..LAB CREATED ROUGH RUBY STAR ROUGH SYNTHETIC FLAME FUSION
$ 3.16
- Description
- Size Guide
Description
TheVerneuil method
(or
Verneuil process
or
Verneuil technique
), also called
flame fusion
,
Corundum
has two primary gem varieties:
ruby
and sapphire. ... Because of
corundum's hardness
(pure
corundum
is defined to have 9.0 on the Mohs scale), it can scratch almost every other mineral. It is commonly used as an abrasive on everything from sandpaper to large tools used in machining metals, plastics, and wood.
FLAME FUSION CORUNDUM
1
0 gram LAB CREATED ROUGH blue sapphire STAR SYNTHETIC CORUNDUM
SHIP TOTAL:10 TO 13 pieces
SHIP FROM THAILAND
AND MADE IN JAPAN