Gemstone Mining Methods - jewelinfo4u- Gemstones and Jewellery .Mar 9, 2016 . Gemstone Mining Methods by Sheweta Dhanuka Gemstones are treasured by . For underground mining more advanced equipments are required. . The miner decides on surface mining technique depending up the overall.gemstone mining technique equipment,How Gem Hunting Works | HowStuffWorksAn emerald hunter shows off a small emerald found outside a mine in Muzo, . from equipment and preparation to the legal issues amateur gem hunters should.
gemstone mining technique equipment