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Kelsey Lake Mine

*** Private property. ***

General Info

Containing several kimberlite pipes within the State Line diamond district, the Kelsey Lake Mine is approximately 1 hour northwest of Fort Collins.

Minerals

Click on the image(s) below to see a picture of that mineral from this location.

Diamond - As of 1996, the 5th largest North American diamond was found here. It was yellow in color and weighed in at 28.3 carats. 75% of the diamonds from this location are less than 1 carat.


Field Trip Reports

Sorry, no trip reports for this location yet.

References

  • S. Voynick (b), 1996, "Rock & Gem" (December, pgs. 12-13)
  • J. A. Murphy and P. J. Modreski, 2002, "Rocks & Minerals" (Vol. 77, July/August, pgs. 218-238)
Please see the reference(s) mentioned above for directions
to the site if specific instructions are not given on this page.

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