Chalcedony on Smoky Quartz “casts” after Laumontite / Locality - Buck Mine, Cripple Creek District, Teller County, Colorado


Shipping to United States: Free

This locality in the Cripple Creek District (purportedly in an old mine shaft) produced unique epimorphs or "casts" of Smoky Quartz and Chalcedony replacing Laumontite. The Smoky Quartz has a distinctive muted silvery-grey color, with very little luster and a somewhat stalactite-esque growth due to the way the Quartz overgrew the preexisting Laumontite. The lack of luster on the Quartz is most likely due to a micro coating of Chalcedony. The biggest problem that faced most of these specimens is serious damage, and this piece not only has excellent aesthetics, but is in great condition overall compared to most from the find that were in terrible shape and did not display very well. This is one of the best pieces of the material that I’ve offered for sale, and is more than just a Quartz specimen. This is a unique discovery, and would make any Quartz or “cast” collector very happy. This piece was collected in 2010 by Quinton Cross and Ralph Buck.

Locality: Buck Mine, Cripple Creek District, Teller County, Colorado

Specimen Size: 13.2 x 10.1 x 8.8 cm (cabinet)

Shipping from United States

Processing time

1-3 business days

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  • Europe : 7 - 14 business days
  • Australia, New Zealand and Oceania : 10 - 20 business days
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I'll do my best to meet these shipping estimates, but can't guarantee them. Actual delivery time will depend on the shipping method you choose.

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The following items can't be returned or exchanged

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