HANNEMAN FILTER SET
The Hanneman Gem Filter Set – Model 4000 is a set of gemological optical filters designed by Dr. William (Bill) Hanneman, Ph.D., an internationally renowned chemist and gemologist, for the practical and rapid identification of gemstones.
The Hanneman Gem Filter Set – Model 4000 is a set of gemological optical filters designed by Dr. William (Bill) Hanneman, Ph.D., an internationally renowned chemist and gemologist, for the practical and rapid identification of gemstones.
This instrument allows you to observe stones through specific wavelength bands, highlighting characteristic color reactions useful for distinguishing natural, synthetic, and imitation gemstones. It is particularly appreciated for its effectiveness, ease of use, and portability.
Main Features
Complete set of selected gemological filters
Can be used with incandescent light
Ideal for analyzing rubies, emeralds, aquamarines, spinels, garnets, topazes, and many other gemstones
Quick identification support for commercial, educational, and collecting purposes
Practical alternative to more complex laboratory instruments
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