Finding Gemstones | Guide to Gemstone Deposits in Nature

Since 1977, dozens of previously unrecorded gem and precious metal occurrences were identified in Wyoming & nearby regions, and include diamond, ruby, sapphire, pyrope garnet, chromian diopside, peridot, opal, kyanite, gold, agate, jasper, iolite, silver, PGM, nickel & others. These were found by geological mapping, remote sensing, geophysics, mineral associations, & geochemistry. Two world-class iolite deposits were also found, along with significant gold deposits and others.

Showing posts with label gemstones. Show all posts
Showing posts with label gemstones. Show all posts
Wednesday, October 22, 2014

NEW GEMSTONE DISCOVERIES

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A 368-page book published in 2014 with color photos, provides insight into the physical characteristics of raw gemstones, listing dozen...
Monday, June 11, 2012

Wyoming - The Gemstone State

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Gem-quality pyrope garnet faceted from rough collected at Butcherknife   Draw near Green River, Wyoming. Colored  gemstones were almost...
Sunday, October 9, 2011

Geology of Gemstone Deposits

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Large chlorite pseudomorph after garnet found in the Sierra Madre Mountains, Wyoming. The chlorite slowly replaced the garnet and accepted...
Wednesday, December 31, 2008

OTHER GEMS

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Blue barite from the Mine Hills near Shirley Basin, Wyoming While conducting field research over 3 decades while at the Wyoming Geologica...
1 comment:
Tuesday, December 30, 2008

IOLITE (WATER SAPPHIRE)

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A flawless iolite gemstone What the heck is iolite? Geologists typically describe this mineral as cordierite, while gemologists typically re...
3 comments:

PERIDOT

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In 1997, I decided to search the Leucite Hills in western Wyoming for diamonds (see photo at left). I didn't find diamonds, but mark m...

GEMSTONES & GEOLOGY

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A good understanding of geology, persistence, & luck can lead to incredible treasures. In 1977, I started work as a research geologist a...
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