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File:Chlorargyrite, variety Buttermilcherz (IMG 1999).jpg

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English: Chlorargyrite
Locality: Theuerdank Mine, St Andreasberg, St Andreasberg District, Harz, Lower Saxony, Germany
Original description: Chlorargyrite step, variety "buttermilk ore", dried-in condition. Size overall: 17cm, height 14cm. I found the step by myself in 1995 on the old pit Theuerdank in St. Andrew on the berry mountain. When it came into daylight, it was white like snow, but after about 45 minutes, it became so gray-blue, as it is to see now. The blue-gray areas are in the form of buttermilk ore, the light to dark brown areas are "earthy brown silver". The matrix of the step consists of a quartz band and calcite. The buttermilk ore has two special features: On the one hand, once upon a time it was liquid and on the other hand, it has a photochromic character.
Deutsch: Chlorargyrit
Fundort: Grube „Theuerdank“, Sankt Andreasberg, Harz, Niedersachsen, Deutschland
Beschreibung: Chlorargyritstufe, Varietät "Buttermilcherz" in eingetrocknetem Zustand. Stufengesamtbreite 17cm, Stufenhöhe 14cm. Die Stufe habe ich selbst 1995 auf der alten Grube Theuerdank in St. Andreasberg auf dem Beerberg gefunden. Als sie zu Tage kam war sie schneeweiß, nach ca. 45 Min. ist sie dann so grau-blau geworden, wie sie jetzt ist. Die blaugrauen Bereiche sind Chlorargyrit in Form des Buttermilcherzes, weiterhin sind die hell bis dunkelbraunen Bereiche "braunerdiges Silber". Die Matrix der Stufe besteht aus einem Quarzband sowie Kalkspat. Das Buttermilcherz hat zwei besondere Eigenschaften, zum einen war es einmal flüssig, zum anderen hat es einen phototropen Charakter.
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Source original picture from Manfred Groß is deposited in the Mail (look down at the permission)
Author Manfred Groß
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current19:35, 3 March 2012Thumbnail for version as of 19:35, 3 March 20122,272 × 1,704 (1.19 MB)Ra'ike (talk | contribs)== {{int:filedesc}} == {{Information |Description= {{en|1= Chlorargyrite ::Locality: Theuerdank Mine, St Andreasberg, St Andreasberg District, Harz, Lower Saxony, Germany ::''Original description:'' Chlorargyrite step, variety "bu...

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