sapphire
noun(sap-phire)
a gem variety of corundum in transparent or translucent crystals of a color other than red; especially : one of a transparent rich blue
sapphire
noun(sap-phire)
a gem of such corundum
sapphire
noun(sap-phire)
a deep purplish-blue color
sapphire
noun(sap-phire)
a sapphire that when cut with a convex surface and polished exhibits asterism
sapphire
noun(sap-phire)
a deep blue cordierite sometimes used as a gem