hexagonal pyramids of the 2nd order ,crystal forms of the quadratic and hexagonal systems - 立方氧化鋯 幅插畫檔、美工圖案、卡通及圖標
gemology, jargoon or jacinth is an archaic or niche term for a pale yellow, near-colourless, or smoky brown variety of the mineral zircon, vintage illustration - 立方氧化鋯 幅插畫檔、美工圖案、卡通及圖標
tetragonales prisma 2. ordn.: a prism rotated 45* relative to the first order. - 立方氧化鋯 幅插畫檔、美工圖案、卡通及圖標