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Like all YAG this material is ideal for jewelry with a high hardness of 8
The 99g piece has a light brown color and measures about 45
Its unique square hole allows any 6mm or 1/4" dop to be used in it
Together they give the stone a striking yellow to amber color which shifts between more orange and more yellow from light source to light source
and thus naturally have formed cones which should be good preforms for large stones
Soviet Amethyst Cut Gemstones Cut:Cushion, 16.1mm, 17.45ct Like all YAG this materialThese are hydrothermal amethyst, labgrown material sourced from an old Soviet era collection. Under Dr Sternberg, the Alexandrov lab in the USSR was at the cutting edge of quartz crystal growth, using its piezoelectric properties for radios and clocks. Later, they branched out into growing amethyst, citrine, and other quartzes. Unusual for our site, these particular crystals were originally grown for jewelry, not for science. Some of them have smoky