a hemimorphic crystal of hemimorphite, characterized by its distinct polar symmetry. - 人造寶石 幅插畫檔、美工圖案、卡通及圖標
star tetrahedron ,formed by two interpenetrating tetrahedra. this geometry is often seen in minerals like diamond or fahlore (tetrahedrite). - 人造寶石 幅插畫檔、美工圖案、卡通及圖標
jealousy in work, destroying others, destroying other people's ideas and dreams.... - 人造寶石 幅插畫檔、美工圖案、卡通及圖標
jewel set with brilliant, emerald, ruby, amethyst, sapphire, aquamarine, alexandrite - 人造寶石 幅插畫檔、美工圖案、卡通及圖標
minerals and rocks ,semi-polished structure of porphyrite (jabal ad dukhan, bahrain) - 人造寶石 幅插畫檔、美工圖案、卡通及圖標