GemHunters Guide to Diamonds and Their Mineralogy and Prospecting Methods. Wednesday, April 30, 2014. How to Recognize Rough Diamond. My book on Finding Gemstones. Later, I was contacted by a prospector who found a cache of diamonds in North Carolina based on this and another book I wrote in 1998 on diamonds in the US. So, get a copy.

Peridot, one of the more attractive green gemstones, is found in a number of mafic and ultramafic volcanic rocks around the world. In Wyoming, peridot was discovered by Professor Hausel in 1997 at Black Rock in the Leucite Hills volcanic field. At the time he was searching for evidence of diamonds when he came across two green-colored anthills that were completely covered with 13,000 carats of facetable peridot! Saturday, September 2, 2017.

Tin Cup Jasper, Ruby, Gold district, Wyoming. The Tin Cup district near the Sweetwater River in central Wyoming was thought to have been a historical gold and silver district. The district contains enormous resources of banded jasper, some of the largest rubies in the world, some sapphire, jade and possible diamonds. Friday, February 8, 2013. Gemstones, Diamonds and Gold. And follow us on Gem Hunter. And check out some great books.

Ruby and Sapphire are the same mineral, but due to different trace metals, they have different color. These gems are found in geological environments with considerable aluminum. Using these geological facts, the author discovered a half-dozen ruby and sapphire deposits and found traces of several other deposits. Monday, March 10, 2014. Ruby, Sapphire, Kyanite, Sillimanite and Iolite at Palmer Canyon Wyoming. But because of political affiliation. I made more discoveries as we.