File:Pyrargyrite-153ca.jpg

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English: Pyrargyrite
Locality: St Andreasberg, St Andreasberg District, Harz Mts, Lower Saxony, Germany (Locality at mindat.org)
Size: large cabinet, 17.3 x 13.1 x 2.3 cm
Pyrargyrite
There are classic old mineral specimens that predate the 20th century. Then there are the true old-timer specimens that predate the 19th century, like this pyrargyrite from the Ferguson Collection, circa 1800 (he had stopped collecting by 1810, it is thought). Dendritic crystals of lustrous, black pyrargyrite to 5.0 cm in length are emplaced the length of a flat gray limestone matrix. Even the back side is interesting with a mass of spongy, dark gray silver and ore. When historically important specimens, like this from St. Andreasberg in the Harz Mountains, are also visually important, a pretty specimen becomes significant beyond its eye appeal. This is a piece that is much better in person, and impresses even those who do not collect the silver species. The crystals have a slight red overtone, and definite lustre to them. I have known the piece since 1998 when this collection came to light in London, when it resurfaced from the family's estate after being passed through the generations largely untouched. Ed David originally acquired the piece from Herb Obodda when Herb got back with specimens from this collection. Ex. Dr. Edward David Collection.
Deutsch: Pyrargyrit
Fundort: St Andreasberg, Landkreis St Andreasberg, Harz Mts, Niedersachsen, Deutschland (Fundort bei mindat.org)
Größe: 17.3 x 13.1 x 2.3 cm
Date before March 2010
date QS:P,+2010-03-00T00:00:00Z/7,P1326,+2010-03-00T00:00:00Z/10
Source Image: http://www.irocks.com/db_pics/pics/153ca.jpg, Description: http://www.mindat.org/photo-276237.html
Author
Robert M. Lavinsky  (1972–)  wikidata:Q56247090
 
Alternative names
Robert Matthew Lavinsky; Lavinsky, Robert M.; Lavinsky R M
Description American mineral collector and mineral dealer
iRocks.com (Mineralogical Record)
Date of birth 13 December 1972 Edit this at Wikidata
Location of birth Columbus
Authority file
creator QS:P170,Q56247090
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Attribution: Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
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current19:58, 24 May 2010Thumbnail for version as of 19:58, 24 May 2010657 × 800 (97 KB)RKBot (talk | contribs)== {{int:filedesc}} == {{Information |Description= {{en|1=Pyrargyrite :: Locality: St Andreasberg, St Andreasberg District, Harz Mts, Lower Saxony, Germany ([http://www.mindat.org/loc-1812.html Locality at

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