There are 1 comment on the story from Jan 29, 2009, titled GEMSTONES found in WYOMING. In it, reports that:

According to a new book on minerals & rocks, Wyoming has some very rare rocks, minerals & gemstones. For instance, armalcolite, a very rare terrestrial mineral, was initially identified on the moon, named after the three Apollo 11 astronauts, & years later, was identified near Rock Springs. Few people know of a beautiful sapphire-blue gemstone known as iolite, yet Wyoming has the world’s largest iolite gems & potentially has >2.4 trillion carats of this gem near Wheatland including some stones estimated to weigh >a million carats!

Some of the largest opals & rubies were found in Wyoming. And millions of people who drive the interstate in Wyoming and Colorado would be shocked to find they drive by one of the largest diamond fields in North America. Research identified several hundred cryptovolcanic structures in Colorado, Kansas, Montana & Wyoming that could represent the largest diamond field in the world!

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Since: Oct 08

Gilbert, AZ

#1 Mar 4, 2009
Super Book! This has to be a best seller-I really enjoyed the section on hunting for diamonds and didn't realize there were so many diamond deposits in Wyoming. Got my attention and I'm going prospecting. And those are some beautiful rubies and iolites in Wyoming. Had no idea!

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