Gem Faceting and Polishing Machine
Girdle Calibration Machine
Gemstone Calibration Machine
This Gemstone Calibration machine is equipped with a motor and reproduces the shape of all usual gems stones: oval, round, square, octagon, heart, pear marquise, trillion, six corners and eight corners, etc. Various cams are used to obtain the true shapes. The diamond lap plate of 8" is used for grinding. The stone turns automatically with the help of a motor.