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HANNEMAN FILTER SET - 4pcs
Hanneman Filter Set (4pcs): 1x Filter for Jade, 1x Filter for Emerald, 1x for Ruby and 1x Filter for Tanzanite
Using these filters is simple. Just place the stone on the included viewing surface, illuminate it with incandescent light, and hold the filter close to the eye.
Observe the apparent color of the stone and match that up with the identifying chart that comes with the filters.
F-4000
7 Items
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