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Lot
87076

RHODOCHROSITE. Home Sweet Home Mine, Mt. Bross, Alma Dist., Park Co., Colorado, USA. ...

2013 June 2 Nature & Science Signature Auction, featuring The Hoppel Collection of Fine Minerals - Dallas #5110

 
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Auction Ended On: Jun 2, 2013
Item Activity: 4 Internet/mail/phone bidders
3,330 page views
Location: Heritage Auctions - Design District Annex
1518 Slocum Street
Dallas, TX

Description:
RHODOCHROSITE
Home Sweet Home Mine, Mt. Bross, Alma Dist., Park Co., Colorado, USA

One of the significant milestones in mineral collecting came about when a small Silver mine high up in the Mosquito Range above Alma, Colorado was reopened for the express purpose of searching for more of the Rhodochrosite specimens produced in the 1880s when it was being mined for Lead-Silver ore. Using Ground Penetrating Radar (GPR) and other modern tools for location and extraction of specimens without the usual damage, the miners organized by Bryan Lees methodically mined fissure 'targets' generated by GPR and carefully extracted any Rhodochrosites contained within. Most of the production consisted of loose single crystals but along with them were plates and groups of outstanding color, luster and size. Before mining ceased in 2003 significant numbers of specimens had been recovered. Of those many specimens only a few of the top specimens were of the quality or size exhibited by the example seen here.

Looking a lot like a toothy slice of watermelon, this crescent shaped confection is literally covered with dozens of brilliantly lustrous rhombs up to 1½ inches on edge, of a deep reddish-pink hue. Scattered over, under, and occasionally on the Rhodochrosite are: cubes of violet Fluorite, brassy-gold Chalcopyrite crystals, black pyramids of Tetrahedrite and colorless needles of Quartz. Due to the extreme care taken when extracting the specimen the condition is excellent and it has been carefully curated ever since.
Overall measurements: 11.5 x 5 x 2.75 inches (29.2 x 12.7 x 7 cm). Offered at no reserve.

Provenance: Collector's Edge, with accession #SH 2227 [Hoppel Catalog # D0281]


[Scale: 1 inch, with mark at 1 cm]

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Condition report available upon request.

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