Identifying gemstones with a microscope
All amateur gemologists would agree with me when I say that, at present the greatest challenge in the field of gemology is to identify heat treated and fractured filled gemstones. Especially rubies, sapphires and emeralds. Being the top three selling gemstones it becomes all the more important to detect the treatments in them.
The article "Under the Microscope" by Julie Nash and Arthur Skuratowicz from Manufacturing Jewelers & Suppliers of America (MJSA) gives us a wonderful insight in identifying the treatments like , laser drilled holes, fracture filling,HPHT and irradiation in diamonds,glass filled and heat treated rubies ,fracture filled emeralds,etc. There`s even a small article in how to handle a microscope.Even the self explaining microscope photos are worth a glance.
Herea a small para from the article...
"Preventing misidentification of gems is not just a case of identifying the variety and species of gemstone. In our current business climate, it's also important to identify the treatments that gems have undergone. Many of these treatments are considered routine in our industry, yet consumers are often shocked to discover that their emerald has been fracture filled, or their tanzanite heat-treated. Full disclosure of all gem treatments is necessary and often required by the Federal Trade Commission"....to read more click here
1 comment:
Now thats a real eye opener. Keep up the good work. By the way, do we in India have any laws which need appropriate disclosure by the seller to the buyer about the various treatements that the precious stones sold by them undergo?
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