(1) Curved surface type. Cabochon gems are also called plain or convex gemstones. The gemstone has a convex surface. According to the waist shape, dit kan verdeel word in: ronde, ovaal, olive, peer, hart, plein, random, ens. Oor die algemeen, jade and jade, ens., are commonly curved, especially the oval ring or pendant surface, because it is […]
