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269 pages • missing pub info (editions)
ISBN/UID: 9780943763521
Format: Paperback
Language: English
Publisher: Gemstone Press
Publication date: 01 October 2006
Description
The first book devoted exclusively to the spectroscope and its use in gemstone identification. Until 1933 the refractometer and the microscope were the two principal tools in gem testing. Then B.W. Anderson introduced the hand spectroscope which q...
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269 pages • missing pub info (editions)
ISBN/UID: 9780943763521
Format: Paperback
Language: English
Publisher: Gemstone Press
Publication date: 01 October 2006
Description
The first book devoted exclusively to the spectroscope and its use in gemstone identification. Until 1933 the refractometer and the microscope were the two principal tools in gem testing. Then B.W. Anderson introduced the hand spectroscope which q...
Community Reviews
Content Warnings