Feature Gems & Gemology, Spring 1981, Vol 17, No. 1

A Simple Approach to Detecting Diamond Simulants

This article offers a step-by-step approach to the identification of the most problematic diamond simulants. The optical and physical properties of diamond are contrasted to those of colorless strontium titanate, synthetic cubic zirconia, gadolinium gallium garnet, and yttrium aluminum garnet. If the testing methods discussed in this article are used, none of the above materials should be mistaken for diamond.

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