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Barnett Opal Mine, Last Chance Canyon, El Paso Mts, Kern Co., California, USA
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Previously a precious opal mine. The opals are found as amygdules in basalt. The lower half of the Silica Gem Claims (upper half known as the Nowak Mine while the lower half known as the Barnett Mine) previously owned by Richard and Shirley Barnett of Bakersfield, California; For many years operated as a site for fee digging at $2.00 per person per day through about the mid to late 1990's. The abandoned claim is now part of Red Rock Canyon State Park. The opal sometimes fills vesicles in hard basalt which had to be broken down to find & remove the gems. Precious opal varied from the size of a pinhead, (averaging 5 to 10 mm.), to several inches (rare). Many fine opals had been produced from this and the neighboring Nowak mine.

Mineral List

Opal
var: Fire Opal

Opal
var: Precious Fire Opal

Opal
var: Precious Opal



3 entries listed.

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References

Sinkankas, John (1997) Gemstones of North America, Volume 3. Geoscience Press, Tucson AZ: 259.

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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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