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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, optical ...
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 diamond).
News host recalls the ‘whiplash’ of rare, aggressive breast cancer diagnosis at 43. Kristina Guerrero shared her experience with breast cancer to raise awareness of the importance of ...
Definition. [] Vitamin B 12 is a coordination complex of cobalt, which occupies the center of a corrin ligand and is further bound to a benzimidazole ligand and adenosyl group. [ 17 ] A number of related species are known and these behave similarly, in particular all function as vitamins.
Sigal Shemer, whose 23-year-old son Ron was murdered at the Nova music festival on Oct. 7, opens up in an interview with Fox News Digital about the grief she feels a year later.
October 10, 2024 at 1:58 PM. One hundred and sixty dogs were brought to safety from a shelter in Florida ahead of Hurricane Milton’s landfall and placed temporarily with fosters owners after ...
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