Synthetic Moissanite - cheaper tester

Jewelry Discussion
1 
It appears  that C3 is more interested in selling there tester that
product.  Most gemologist have a polariscope that will determine if
the mineral is doubly refractive.  Cheaper testers are sure to
follow.

The double refraction is very obvious. I’d say a good eyeball can
do it :> Carol

…
| Carol J. Bova @Carol_J_Bova |
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2 
 The double refraction is very obvious. I'd say a good eyeball can
 do it

I understand that the doubling is not so obvious through the table
due to the orientation of the crystal in cutting but is obvious
through bezel or crown main facets.

Dick Caverly