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Gem Related Discussion
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Color change Tourmaline Usambara
Has anyone tried to use the digital refractometers
Setting a new minimum for quality inclusion. I give you gem quality Baddeleyite
Grading Gem Carvings Article
Buying Gemstones Online - Safe or Unsafe?
Having trouble trying to find out what this is worth
Identify this gem for me, please
Seeking info re Amber trade around the 9th century?
Laser Drilled Diamonds
"no name" refractometer
Question about unknown RI Fluid
Jeff Graham Stones
I started a new show called World of Faceting Machines
5.5 carat Emerald dilemma
Mineral, Crystal or Glass
IGS Practical Exam
Black Opal? Mounted in freeform mount by MOGES
Price Guide Is Way Above Market Prices
I'm Stumped By What This Is!
Gem faceting course
Pezzottaite any info out there?
Looking for an Advice in Starting Gems business in U.S. without middle men
Chrysocolla chalcedony gem silica 台湾蓝宝
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