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Tag: sapphire

HOW & WHERE TO FIND GEMSTONES & GOLD

In the late fall of 2014, the author published a new book published by CreateSpace an Amazon company, describes dozens of colored gemstone, diamond, gold and other minerals and rocks. The book lets the reader in on secrets used to find raw gemstones, diamonds and goldin field. One of several hundred cryptovolcanic structures identified in the

Wyoming – The Gemstone State.

Gem-quality pyrope garnet faceted from rough collected at ButcherknifeDraw near Green River, Wyoming. Colored gemstones were almost unheard of in Wyoming prior to 1977 other than some fabulous cobbles and boulders of jade, some petrified wood, a few agates and a couple of tiny diamonds that required a microscope to see. After I was hired

Geology of Gemstone Deposits

Large chlorite pseudomorph after garnet found in the Sierra Madre Mountains, Wyoming. The chlorite slowly replacedthe garnet and accepted the garnet’s crystal form.  Much of Wyoming is underlain by Archean cratonic basement rocks and cratonized Proterozoic rocks that provide favorable geological environments for a variety of gemstones – notably diamond, iolite, ruby, sapphire, garnet, kyanite,

CAPE RUBIES, CAPE EMERALDS, GARNETS

Diamonds were discovered in Wyoming & Colorado in 1975 by Mac McCallum, Chuck Mabarak & the USGS. This lead to some exploration for diamonds. Associated with diamonds are a host of extremely rare mantle nodules & gemstones known as Cape Ruby (pyrope garnet), Cape Emerald (chromian diopside & enstatite) that are always overlooked by mining

RUBY & SAPPHIRE

Ruby & Sapphire are beautiful stones. In 1995, I discovered my first ruby-sapphire-corundum deposit mixed with iolite & kyanite at Palmer Canyon west of Wheatland. After I recognized this association of gems with a rock type known as vermiculite, I started searching other vermiculites. It turns out that vermiculite is a alteration product known as

Major Diamond and Colored Gemstone Deposits Found in US

MAJOR DIAMOND PROVINCE DISCOVEREDsee GEMHUNTER See also http://DiamondProspector.webs.com State Line Kimberlite Province showing locations of (1) Radichal kimberlite &Mineral Indicator Anomalies, (2) the Iron Mountain kimberlite district, (3) Schaffer, Aultman, Ferris kimberlites, (4) Keslsey Lake Kimberlites (5) Nix kimberlites, (6)Sloan kimberlites, (7) Estes park kimberlites, (8) Boulder Kimberlite, (9) Boden diamond placer. In between these are