Tanzanite Filter/Dichroscope

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Amazon Price: $49.00 (as of January 18, 2018 5:12 am - Details). Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on the Amazon site at the time of purchase will apply to the purchase of this product.

A combination Color Filter and Dichroscope which allows one to distinguish genuine Tanzanite from all of its imitations, such as blue synthetic Forsterite.