Four Treasures Reference Database
Record No. 2340
Talkin’ ‘bout gem-testing instruments
Journal Article
Hughes, R.W. (1989, 1990) Talkin’ ‘bout gem-testing instruments. Australian Gemmologist, Vol. 17, No. 4, pp. 159–164; No. 5, pp. 242–246.
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instruments, inclusions.5, color.4, properties.3, gems
The author ruminates on the rather poor state of gemological instrument design and offers several suggestions for improvement.