Precious Stones: A Book of Reference for Jewellers (Classic Reprint) - Softcover

Inhaltsangabe

Excerpt from Precious Stones: A Book of Reference for Jewellers

The difference between an Oriental and a quartz cat's-eye is unmistakable after the first introduction: the texture of the Oriental appears finer, the colors softer, the lustre harder.

The green of the emerald is not approached by any other stone, though there are some remarkable imitations made. The doublet imitations Of this stone are not good; the color is dark and murky.

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