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Language: en
Pages: 45
Pages: 45
Type: BOOK - Published: 2013-03-07 - Publisher: Turner Publishing Company
Explains in non-technical terms how to use the refractometer to identify diamonds and colored gems, and how to separate natural gems from imitations, treated ge
Language: en
Pages: 366
Pages: 366
Type: BOOK - Published: 2012-12-14 - Publisher: Turner Publishing Company
one person can accomplish big things.
Language: en
Pages: 467
Pages: 467
Type: BOOK - Published: 2013-03-19 - Publisher: Turner Publishing Company
This colorful book offers you a window into the world of Mahatma Gandhi, one of the most amazing people of the twentieth century. You will learn about Gandhi’
Language: en
Pages: 64
Pages: 64
Type: BOOK - Published: 2013-03-07 - Publisher: Turner Publishing Company
Explains in non-technical terms how to use the loupe and dark-field loupe to identify diamonds and colored gems, and how to separate natural gems from imitation
Language: en
Pages: 41
Pages: 41
Type: BOOK - Published: 2013-03-07 - Publisher: Turner Publishing Company
Explains in non-technical terms how to use the dichroscope to identify colored gems, and how to separate natural gems from imitations, treated gemstones, synthe