Author Archives: admin

About admin

Independent appraiser of fine and antique jewelry and gemstones with 45 years professional experience and credentials. Professional and published historian of American history with emphasis on Thomas Paine and late eighteenth/early nineteenth century transatlantic democratic reform.

Crystal Healing Magic Cures … or just rocks?

Posted on April 9, 2014 by admin

http://sciencebasedlife.wordpress.com/2011/09/05/crystal-healing-magic-cures-or-just-rocks/

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Parts and names of a faceted diamond

Posted on February 24, 2014 by admin
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GIA v EGL certs

Posted on January 19, 2014 by admin

With respect to the GIA v EGL cert issue: GIA (Gemological Institute of America) www.gia.edu, a non-profit educational institution, invented a diamond grading scale in the 1950s. This scale describes diamond quality in terms of color on a scale of … Continue reading →

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Trigon formation in a natural pink diamond from Mirny, Republic of Sakha, Siberia, Russia.

Posted on January 17, 2014 by admin
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Chrysoberyl crystal in the form of a star

Posted on January 3, 2014 by admin

Chrysoberyl crystal in the form of a star. Collection: D. Preite. Photo: M.Chinellato

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FTC Terminology for gemstone treatments

Posted on December 28, 2013 by admin

GLASS FILLED AND COMPOSITE GEMSTONES: There are a number of “composite” and other varieties of treated stones on the market; perhaps most notably composite “ruby.” Nor is is unusual to find gems incorrectly or misleadingly described in advertising venues of … Continue reading →

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Alert: Ebay so-called crystal carbon

Posted on October 29, 2013 by admin

A new gem-like product has recently appeared on eBay that claims to be a “crystal carbon” replacement for diamond/moissonite. http://stores.ebay.com/Crystal-Carbon-Laboratories?_trksid=p2047675.l2563 Note that it does NOT say CZ and that when inquiries have been sent to the seller asking as to … Continue reading →

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Stunning photomicrographs: internal world of gemstones

Posted on October 23, 2013 by admin

http://www.gia.edu/photomicrography

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Diamonds all over space !! Jumpin’ Jupiter !!

Posted on October 10, 2013 by admin

http://news.nationalgeographic.com/news/2013/10/131009-diamonds-saturn-jupiter-planet-science-space/

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Trigons in a natural diamond crystal

Posted on October 3, 2013 by admin
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