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 Post subject: Great time to study Gemology, Mineralogy & Petrology
PostPosted: Wed Mar 25, 2020 11:41 am 
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Teaching Mineralogy and Petrology Online
Suggestions from the MSA Community via MSA-Talk

http://www.minsocam.org/msa/Teaching_Resources.html


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 Post subject: Re: Great time to study Mineralogy & Petrology
PostPosted: Thu Apr 09, 2020 8:56 am 
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Location: Paris
Great great time for a gorgeous link !

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"I always believed in being myself"- Thelonious Monk


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 Post subject: Re: Great time to study Gemology, Mineralogy & Petrology
PostPosted: Thu Apr 09, 2020 12:03 pm 
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These links arrived via email today from Lotus:
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World Sapphire Market Update • 2020
The world sapphire market has changed dramatically in the past 40 years. The authors review the famous sources of the past and look at the current situation in sapphire around the globe. Read more here.

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Spinel Inclusions • An Exercise in Aesthetics
To the jeweler, spinel is famous for its vivid colors. But for the gemologist, this gem is unlike any other. Its extreme hardness allows a fine polish. Couple this with single refraction, which eliminates the image blurring found in most other gems, and a varied landscape of inclusion subjects, and the result is an unparalleled canvas of delight for the photomicrographic artist.Read more here.

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Madagascar Sapphire: Low-Temperature Heat Treatment Experiments
Madagascar has become one of the world's top sources of fine blue sapphire in recent times. Lotus Gemology has conducted heat treatment experiments in our laboratory to help separate untreated and treated material. Read more here.


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