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2. Moissanite - Wikipedia

   en.wikipedia.org/wiki/Moissanite

   A moissanite engagement ring Moissanite: emerald cut. Moissanite was introduced to the jewelry market as a diamond alternative in 1998 after Charles & Colvard (formerly known as C3 Inc.) received patents to create and market lab-grown silicon carbide gemstones, becoming the first firm to do so. By 2018 all patents on the original process world ...

3. Hey Dude - Wikipedia

   en.wikipedia.org/wiki/Hey_Dude

   Hey Dude is an American Western comedy series that aired on Nickelodeon from July 14, 1989, to August 30, 1991, consisting of 65 half-hour episodes produced over five ...

4. Silicon carbide - Wikipedia

   en.wikipedia.org/wiki/Silicon_carbide

   A moissanite engagement ring 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 ...