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Located about 60 miles east of San Diego, a new emerald deposit has been discovered in the Julian Mining District.

One of the most interesting of the commercially available Czochralski pulled synthetic corundums is pink “Ti-sapphire.”

Two new deposits of Cu-bearing tourmaline have been found in Paraíba State, Brazil, not far from the original source at Mina da Batalha.

A report from the 34th IGC, held in Vilnius, Lithuania in August 2015.

The author recently examined a 3.58 ct yellowish green yttrium aluminum garnet, a manufactured product known in the trade as “YAG,” that contained numerous large flux-filled fractures.