Download or read book The Spectroscope and Gemmology written by Basil William Anderson and published by NAG Press. This book was released on 1998 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: Until 1933, the refractometer and the microscope were the two principal tools in gem testing. Then, B W Anderson introduced the hand spectroscope which quickly became the third vital instrument for the UK gemmologist. This book talks about the importance of this instrument. It is suitable for those involved in the identification of gemstones.