Gemstone Tumbling, Cutting, Drilling & Cabochon Making: A Simple Guide to Finishing Rough StoneseBookGemstone Tumbling, Cutting, Drilling & Cabochon Making: A Simple Guide to Finishing Rough StoneskaryaJim MagnusonPenilaian: 5 dari 5 bintang5/5Simpan Gemstone Tumbling, Cutting, Drilling & Cabochon Making: A Simple Guide to Finishing Rough Stones untuk nanti