Naturally occurring moissanite is found in only minute quantities in certain types of meteorite, corundum deposits, and kimberlite. Virtually all the silicon carbide sold in the world, including moissanite jewels, is synthetic… 展开

Non-systematic, less-recognized and often unverified syntheses of silicon carbide include:
• César-Mansuète Despretz's passing an electric current through a carbon rod embedded in sa… 展开

Because natural moissanite is extremely scarce, most silicon carbide is synthetic. Silicon carbide is used as an abrasive, as well as a semiconductor and diamond simulant of gem quality. The simplest process to manu… 展开