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Moissanite. Moissanite (/ ˈmɔɪsəˌnaɪt /) [ 5 ] is naturally occurring silicon carbide and its various crystalline polymorphs. It has the chemical formula SiC and is a rare mineral, discovered by the French chemist Henri Moissan in 1893. Silicon carbide or moissanite is useful for commercial and industrial applications due to its hardness ...
This is a list of gemstones, organized by species and types. Minerals ... Lab moissanite; Synthetic opal; Metal-coated crystals hyped as rainbow quartz; Lab spinel;
A collection of gemstone pebbles made by tumbling the rough stones, except the ruby and tourmaline, with abrasive grit inside a rotating barrel. The largest pebble here is 40 mm (1.6 in) long. The traditional classification in the West, which goes back to the ancient Greeks, begins with a distinction between precious and semi-precious; similar ...
Charles & Colvard, Ltd., based in the Research Triangle Park area of North Carolina, is the global sole source of moissanite, a unique, near-colorless created gemstone that is distinct from other ...
As a gemstone used in jewelry, silicon carbide is called "synthetic moissanite" or just "moissanite" after the mineral name. Moissanite is similar to diamond in several important respects: it is transparent and hard (9–9.5 on the Mohs scale , compared to 10 for diamond), with a refractive index between 2.65 and 2.69 (compared to 2.42 for ...
Aquamarine. “Aquamarine is a calming gemstone that symbolizes fluidity and flow, healing, allowance, and acceptance of what is,” Salzer says. “Look for clarity and luminosity in an ...
Ruby is a pinkish red to blood-red colored gemstone, a variety of the mineral corundum (aluminium oxide). Ruby is one of the most popular traditional jewelry gems and is very durable. Other varieties of gem-quality corundum are called sapphires. Ruby is one of the traditional cardinal gems, alongside amethyst, sapphire, emerald, and diamond. [3]
Moss agate. Moss agate is a semi-precious gemstone formed from silicon dioxide. It is a form of chalcedony which includes minerals of a green color embedded in the stone, forming filaments and other patterns suggestive of moss. [ 1 ] The field is a clear or milky-white quartz, and the included minerals are mainly oxides of manganese or iron.
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