phenomenal stone A stone that exhibits a phenomenal effect, such as a star, cat's-eye, or adularescence.
pick A selection from a parcel of gemstones.
pink To heat topaz at a low temperature to turn the hue to pink.
This mineral variety has phenomenal stones at a low price. If you like the unusual, a feldspar may be a good choice for you.
Gems that show special optical effects are known as phenomenal stones. Chrysoberyl dominates this category, because not only is alexandrite the most spectacular color changing gem, cat's-eye chrysoberyl has the most dramatic eye.
Treatments, phenomenal stones and synthetic stones are also described. Beautifully produced with fresh photographs of a high standard, it could be sold to the customer along with their gemstone or jewelry purchase."
Journal of Gemmology ...
of gem photographs along with information needed to show the customer what a stone is, interesting facts about particular species and advice on cleaning. It covers how to evaluate cuts, styles, color and inclusions. Treatments, phenomenal stones and ...
 See also: Color, Phenomena, Gemstone, Stone, Gemstones
  
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