![]() Chrysoprase is the tenth precious stone, among 12 precious stones mentioned to make up the foundation stones of the city wall of the "New Jerusalem" as described in Revelation 21:20 (NLT). ![]() The best known sources of chrysoprase are Queensland, Western Australia, Germany, Poland, Russia, Arizona, California, and Brazil. In the Australian deposits, chrysoprase occurs as veins and nodules with brown goethite and other iron oxides in the magnesite-rich saprolite below an iron and silica cap.Īs with all forms of quartz, chrysoprase has a hardness of 6 - 7 on the Mohs hardness scale and a conchoidal fracture like flint. ![]() The rollover clasp is secure the back of the pin. Our industry customers include EADS-Astrium, Kayser-Threde, Jena-Optronik, SES Astra, TESAT Spacecom, IABG, Spaceopal and Euro Cryospace. Company Description: Key Principal: Eric BOURDIE See more contacts. The cabochon chrysoprase is prong set above a circular opening, bisected with a flattened silver rod. Chrysoprase results from the deep weathering or lateritization of nickeliferous serpentinites or other ultramafic ophiolite rocks. Our services HE Space has concentrated its activities on supplying space experts to ESA, to EUMETSAT and to the European space industry. The company manufactures cryogenic tanks for Ariane 5 rockets. The nickel reportedly occurs as platelets of the talc-like mineral willemseite. EuroCryospace is a subsidiary of Air Liquide and Ariane Group based in Les Mureaux. Unlike emerald which owes its beautiful green color to the presence of chromium, the color of chrysoprase is due to trace amounts of nickel in the structure. Cut into cabochons (smooth domed gems with flat backs for use in jewelry), it can be as sought after as fine amethyst. Higher quality specimens often rival fine jade, for which it is sometimes mistaken. Due to its comparative scarcity and pleasing green color, chrysoprase is one of the most prized varieties of quartz.
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