... for tools making Description of JSBD9908 14/16 grain size synthetic diamondApplication: Jewellery processing tools, dressing tools, petrol drilling ... octahedral crystals high 2.purity, high strength ,toughness, thermal stability 2. Consists of complete and regular cubo- ... octahedral crystals with high purity, high strength ,toughness, thermal stability and high impact resistance. 3. rough diamond ...