FIELD: testing of precious stones.
SUBSTANCE: diamond is fixed onto holder and tested under specified angle for getting image. Then second measurement is made for getting two sets of data calculated by means of computer. The second set of data can be received by means of measurement of depth or due to changing direction of viewing.
EFFECT: improved precision of localization.
6 cl, 2 dwg
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Authors
Dates
2005-10-27—Published
2001-12-03—Filed