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Gene Stone grew up in the Westchester County suburb of Pelham, New York, the son of lawyer Henry Stone and author Babette Rosmond, and the brother of James Stone, founder and CEO of Plymouth Rock Assurance Corporation.
Gemstone irradiation is a process in which a gemstone is exposed to artificial radiation in order to enhance its optical properties.High levels of ionizing radiation can change the atomic structure of the gemstone's crystal lattice, which in turn alters the optical properties within it. [1]
Types of synthetic quartz include citrine, rose quartz, and amethyst. Natural occurring quartz is not rare, but is nevertheless synthetically produced as it has practical application outside of aesthetic purposes. Quartz generates an electric current when under pressure and is used in watches, clocks, and oscillators. [62]
Actinolite. Nephrite (var.); Adamite; Aegirine; Afghanite; Agrellite; Algodonite; Alunite; Amblygonite; Analcime; Anatase; Andalusite. Chiastolite; Andesine ...
Prasiolite (also known as green quartz, green amethyst or vermarine) is a green variety of quartz.. Since 1950, almost all natural prasiolite has come from a small Brazilian mine, [citation needed] but it has also been mined in the Lower Silesia region of Poland.
A bezel set sapphire. The earliest known technique of attaching stones to jewelry was bezel setting.A bezel is a strip of metal bent into the shape and size of the stone and then soldered to the piece of jewelry.
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Dopping cement, dopping wax, or faceting wax is a thermal adhesive used by gem cutters to secure ("dop") a gemstone to a wooden or metal holder ("dopstick", "Tounded stick") for grinding and lapping.
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