Reflectivity Meter ( PRM ) accurately measures the quality and quantity of light reflected through the stone thus gives you an instant reading of its reflective index. PRM can therefore identify the nature of every uncoated stone. For your easy reference we have included a Reflectivity Chart Listing for the most common stones Synthetic Spinel- Synthetic Sapphire- Y.A.G.- High Zircon- G.G.G.- Cubic Zirconia- Strontium Titanate- Diamond and Synthetic Moissanite. Operates on a 9 volt battery or directly from a wall plug. ( Battery and AC adaptor are optional ) ADVANTAGE. 100% portability with batteries operated. Used without the need of a thermal conductivity tester Read - fast- accurate and dependable ( Instantly separates Diamond from all known simulants including Synthetic Moissanite ). Finest quality 1 year factory warranty.
S**H
Four Stars
Delivered as promised.
M**E
JUNK!!!
This thing is absolute junk! I tested a diamond three different times, used the same stone each time, and it gave me three different readings each time. I've tested sapphires and emeralds, and sometimes it tells me that the stone is a sapphire, and other times it told me it was something else.Pure junk. Plain and simple.
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