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Phosphophyllite from Unificada Mine

Posted by Zach Berghorst  
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Zach Berghorst June 02, 2012 05:10PM
I recently purchased this nice phosphophyllite on siderite with rough sphalerite, but would like to know weather it was a good deal or not. I bought it for $40. It is an ex-mineral classics piece that is 3.1 x 2.5 x 1.5 cm. It is from the Unificada Mine in Potosi, Bolivia. Pictures are taken under natural light.
I'd like to know what its appraised value is. What do you think?
-Thanks, Zach
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Rock Currier June 02, 2012 08:50PM
Should bring two or three hundred dollars or more at retail.

Rock Currier
Crystals not pistols.
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Zach Berghorst June 02, 2012 10:07PM
That's great, thanks. I definately got a great deal then!
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Tim Jokela Jr June 05, 2012 02:31AM
Bargain of the year at forty. On matrix is nice, and unusual, in my experience. If I'd gotten that for forty, I'd be jumping up and down, and going very carefully over that dealers stock for other sleepers. I'd put it on a nice thick acrylic base and add a zero to the price. Or maybe a little trim and shop it to the thumbnail nuts, it's a prize, seldom seen.
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Leor Goldberg May 03, 2013 09:21PM
I could easily see this going for $400 or more. That my friend is a great find. :)-D
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Steve Hardinger May 04, 2013 02:41PM
I must disagree with my esteemed colleagues.

Although phosphophyllite is pretty uncommon stuff, judging from your photos, the majority of crystals on this specimen suffer from some to major damage. A beginning collector with little knowledge and too much money might pays a few hundred, but a more advanced collector would recognize this as being a below-average specimen, and pass on it.

Based mostly on the significant damage it would be priced at less than $50 in booth at a show, assuming I bought it in the first place (I probably would have passed on the offer, unless that undamaged area could be trimmed out as a thumbnail).
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Simone Citon May 06, 2013 07:54AM
Some perfect crystals in the middle are fine, 120 € is my valuation. For 40 $ is a good deal indeed.

Simone Citon
Sorry, you do not have permission to post/reply in this forum.


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