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Results 1 - 6 of 6 for Jewellers Materials Lapidary Work
  • Supplier Profile
    Goodfellow supplies metals, ceramics and other materials to meet the research, development and specialist production requirements of science and industry worldwide. The Goodfellow group consists of...
  • Supplier Profile
    CRAIC Technologies manufactures superior microspectrophotometers for science and industrial applications. We specialize in the UV, visible and NIR regions and pride ourselves in making the finest...
  • Article - 24 Apr 2008
    This paper describes a technique that utilizes a microspectrophotometer to quantify the color of gemstone with greater accuracy and precision than the human eye or a standard spectrophotometer. It...
  • Article - 16 Aug 2003
    Sapphires are well known gem stones. The stages in their processing, such as grading, heat treatment and marketing are discussed. Characteristics and colours are also mentioned.
  • Article - 21 Jul 2001
    Silver metal in its pure state has a brilliant white metallic lustre and it is a little harder than gold and is very ductile and malleable. It has 3 commercial types and applications in jewellery,...
  • Article - 20 Jul 2001
    Gold is most widely known as a precious metal due to its high lustre and chemical inertness. It is also used for coinage, ornaments, jewellery, gilding, textile industry, radiation control,...