ʻO Cordierite kahi mineral silicate, maʻamau ʻulaʻula a i ʻole ʻulaʻula ʻulaʻula, aniani ʻulaʻula, ʻālohilohi a translucent.Loaʻa i ka Cordierite ke ʻano o ka polychromatic (tricolor), e hoʻopuka ana i nā kukui o nā kala like ʻole ma nā ʻaoʻao like ʻole.ʻOki pinepine ʻia ʻo Cordierite i nā ʻano kuʻuna, a ʻo ka waihoʻoluʻu kaulana loa he polū-ʻulaʻula.