Moissanitenoun
(mineral) Naturally-occurring silicon carbide, having various crystalline polymorphs.
Moissanite
Moissanite 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.
Morganitenoun
(mineral) A gemstone of pegmatite deposits. Morganite is a transparent pink variety of beryl.
Morganitenoun
a kind of pink beryl used as a gemstone