Category Archives: Uncategorized

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

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 →

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

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 →

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 →

http://www.gia.edu/photomicrography

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