What would be instrumental in identifying gemstones in jewelry? Is it necessary to take the gemstone out of the setting to identify ( besides diamonds)? Thank you.
Joined: Sun Oct 16, 2005 12:22 pm Posts: 21602 Location: San Francisco
It is not necessary to take gems out of mountings to identify them.....even diamonds, unless you wish to send the diamond to the GIA.
With standard gemological tools, you can check a mounted stone: Polariscope, singly doubly refractive possible optic figure. Refractometer: If the table of the gem is above the prongs, one can get a refractive index. Spectroscope: Shouldn't be a problem with mounted goods. SWLW UV: no problem Microscopic Observation: Again, no problem
And if you are fortunate enough to own a GemmoRaman, well, enough said.
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