Quartz “cast” after Anhydrite / Locality - Silver Point Mine, Ouray County, Colorado
$160.00
A beautiful small cabinet sized specimen from the famous Silver Point Mine that produced some of the most well-known Quartz “casts” from the state. These specimens have been labeled as being Quartz after Barite pseudomorphs, but given the fact that Barite is chemically inert and nearly impossible to dissolve, it is almost certain that these pseudomorphs are Quartz replacing Anhydrite. Finally, it appears that somebody else is on board with me as I read from Bill Dameron on mindat that “Dr. Virgil Lueth, New Mexico Tech, concludes from studies (as-yet unpublished paper 4/2011) that these and all San Juan quartz epimorphs apparently after barite are in fact after anhydrite”. With that said, this specimen is a fine pseudomorph / cast consisting of hollow and blocky cavities of Quartz replacing the original mineral. The most attractive aspect of this specimen is the fact that the Quartz crystals are not microscopic or massive, but many of them are easily visible with the naked eye, and show absolutely water-clear transparency. Lastly, the interior of the specimen shows the distinctive brownish-red Hematite coating that is characteristic of these pieces. A wonderful specimen from a district that produced some of the most classic “casts” from all of Colorado.
Locality: Silver Point Mine, Ouray County, Colorado
Specimen Size: 7.6 x 6.7 x 4.2 cm (small cabinet)
Shipping from United States
Processing time
1-3 business days
Estimated shipping times
- North America : 2 - 5 business days
- Europe : 7 - 14 business days
- Australia, New Zealand and Oceania : 10 - 20 business days
- Asia Pacific : 7 - 14 business days
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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I gladly accept returns, exchanges, and cancellations
Just contact me within: 14 days of delivery
Ship items back to me within: 30 days of delivery
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Buyers are responsible for return shipping costs. If the item is not returned in its original condition, the buyer is responsible for any loss in value.
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