mois·san·ite | ˈmȯisᵊnˌīt
A silicon carbide SiC found in the Diablo Canyon meteoric iron
Moissanite was originally used in the jewelry industry in 1998. Since then, it has become an affordable alternative to a diamond. Moissanites are visually similar to diamonds, but are 0.5 points softer, with respect to the Mohs hardness scale.