Mapere hangai pango, tauira 6677-1.Mata kihini, hoahoa ahua.Ko te mata orohia, he kore-porous, he paru, he ngawari ki te tiaki.Mohs pakeke 7.0, he uaua ake i te kirikiri, he tino pai mo nga papa o te kihini me nga papamahi.Rahi Jumbo 3200 × 1600 / 1800mm, te matotoru 18 / 20 / 30mm, he mea whakarite ranei.