YAG Tanzanite Imitation Octagon Emerald Cut

3 years ago
38

YAG - Yttrium Aluminum Garnet. Good Tanzanite purplish blue imitation, slightly color change with reddish sparkles. R.I. = 1.83, single refractive; Specific gravity: 4.5 - 4.6; Mohs Hardness 8.5; Crystal system: cubic. Stones have perfect AAA cut quality. Chemical composition Nd: Al5O12Y3. Very few stones 9x7, 7x5 and 6x4mm

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