Videos 1 - 10 for Gemology

02:08 -3 years ago
Gemology of precious opal. Opal, the queen of gems - besides Australia, there is only one other place in the world where one finds crystal opal in commercial quantities: the ...
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02:14 -2 years ago
Mining for rubies on the hills around "Moramanga carrieres" near Andilamena in Madagascar is not an easy task as the area is isolated in the deep of Madagascar Jungle. On this ...
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01:31 -4 months ago
growingflowerstoday.info for beginners, Dictionary of Gems and Gemology is a comprehensive work aimed at gemologists, mineralogists, geologists, jewel dealers, industry and ...
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02:08 -3 years ago
Gemology of precious opal. Opal, the queen of gems - besides Australia, there is only one other place in the world where one finds crystal opal in commercial quantities: the ...
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05:23 -1 year ago
Grafting is a surgical implantation of a shell nucleus and a tissue graft (a small piece of mantle tissue) into the pearl oyster in order to produce south sea cultured pearls ...
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4 months ago
growingflowerstoday.info for beginners, Dictionary of Gems and Gemology is a comprehensive work aimed at gemologists, mineralogists, geologists, more...jewel dealers, industry ...
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03:51 -1 year ago

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01:31 -4 months ago
growingflowerstoday.info for beginners, Dictionary of Gems and Gemology is a comprehensive work aimed at gemologists, mineralogists, geologists, jewel dealers, industry and ...
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01:32 -4 months ago
growingflowerstoday.info for beginners, Dictionary of Gems and Gemology is a comprehensive work aimed at gemologists, mineralogists, geologists, jewel dealers, industry and ...
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02:08 -9 days ago
Gemology of precious opals. For other language options (German, Spanish,French, Italian, Portugese, Mandarin) visit our website. gemfilmchannel.org
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