Chrysoprase Gemstone Information Information * Loose gemstones * Jewelry links Chrysoprase was once used for spiritual protection and was said to be a "victory stone". In the 1800's, it was believed to help thieves escape execution by becoming invisible if a Chrysoprase was held in their mouth. Chrysoprase is a natural green color gemstone from Queensland, Australia, therefore it is often referred to as Australian Jade. View examples of cut chrysoprase below and prices in our store section.   ENHANCEMENT CODE N Click to view AGTA code. PROPERTIES Refractive Index 1.535-1.539 Hardness = 6.5-7 (Moh's Scale) Specific Gravity =2.60 Species - Chalcedony Optic Character - aggregate WARNINGS FOR CARE Ultrasonic: Usually safe Steamer: Usually safe Heat: Poor; color change may occur with heat Chemicals that harm: Hydrofluoric acid, nitric acid.   Crystal Structure Crystal system: Hexagonal, microcrystalline aggregate. MAJOR SOURCES Australia Birthstones  January  Garnet February Amethyst March Aquamarine April Diamond May Emerald June Pearl/Alexandrite July Ruby August Peridot September Sapphire October Opal/Tourmaline November Topaz or Citrine December Blue Topaz or Zircon Cabochon is the popular cut used in jewelry for Chrysoprase. Cabochons are smooth polished surfaces not faceted. Round Chrysoprase Cabochons. Oval Chrysoprase Cabochons.

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