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Magnetic Susceptibility Index for Gemstones ©2010 Kirk Feral Magnetic Responses Are Standardized to 1/2" X 1/2" N-52 Magnet Cylinders
Volume 20 / No. 7-8 / 1987
Spring 2000 Gems & Gemology
IGC VIETNAM.Indd
The Gemstone Book
A NEW GEM MATERIAL from GREENLAND: IRIDESCENT ORTHOAMPHIBOLE by Peter W Uitterdijli Appel and Aage Jensen
Suomen Korukivet
Understanding Gems
Spring 2000 Gems & Gemology Gem News
Fall 2011 Gems & Gemology
Magnetic Susceptibility Index for Gemstones ©2010 Kirk Feral Magnetic Responses Are Standardized to 1/2" X 1/2" N-52 Magnet Cylinders
The Gemstone Book
Magnetic Susceptibility Index for Gemstones ©2010 Kirk Feral Magnetic Responses Are Standardized to 1/2" X 1/2" N-52 Magnet Cylinders
Magnetic Susceptibility Index for Gemstones ©2010 Kirk Feral Magnetic Responses Are Standardized to 1/2" X 1/2" N-52 Magnet Cylinders
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