This book has been written so as to cover every aspect of rough gemstones. While initially, the authors focus on the fundamentals of gemstone rough- evaluating, sorting and buying, they then, literally, take you across the globe. First, as they explore the gem stone deposits in each nook and cranny of India, and then as they draw attention to the prominent gem deposits in the world. Be it Orissa or Chile, it has been covered by the authors. They have addressed the issues of synthetics and treated rough, a growing concern in the Industry, in a unique fashion- not only by explaining the methods of identification but also by including interesting anecdotes about their experiences with synthetic stones.
Jewelkleen 3800 CD452075 Digital Ultrasonic Cleaner (White)
JewelKleen™ Digital Ultrasonic Cleaner is an ideal product for jewellers, opticians, watchmakers, antique dealers, laboratories, dentists, etc. It can be used to clean glasses, jewellery, watches, fountain pens, dentures, razor heads, printer heads, small silverware, small machined metal parts etc. The only digital ultrasonic cleaner which actually helps you clean all your valuables without having to move out of your home. No loss of gold, no harmful additives or chemicals. High frequency vibration stimulates the transducer and generates 42,000 Hz of ultrasonic wave. Just use plain water and put the item to be cleaned into the water and press “ON” button, you will see clearly the dirt separates off into the water.