Szklary Chrysoprase Mine, Szklary (Gläsendorf), Ząbkowice (Frankenstein), Ząbkowice District, Lower Silesia (Dolnośląskie), Poland
A pegmatite, which is exposed in one of the pits of the abandoned nickel mine, is listed as a separate locality (Mt. Szaklana).
The deposit, which was was mined since the Middle Ages for chrysoprase (first known occurrence), was explored for nickel since 1891, first from underground workings and, since 1935, from open casts. The mines were finally abandoned around 1980. Excavation of the locality arranged by the 1st Mindat conference organizers in July, 2010 resulted in a major find of exceptional pimelite specimens and a mineralogical investigation is underway to re-validate the species.
The chrysoprase occurs in veins to several cm thick which cut an altered ultramafic rock. In places, the body is covered by a saprolite rich in clay minerals, particularly smectite. The mine covers an area of many hectares. There are both underground and surface workings. The slope of the occurrence is covered with numerous small to large tailings piles where waste rock was dumped. Much of the area has been partially to completely covered by trees and bushes.
27 entries listed. 15 valid minerals.
The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
- Spangenberg, K., and Müller, M. (1949): Die lateritische Zersetzung des Peridotits bei der Bildung der Nickelerzlagerstätte von Frankenstein in Schlesien. Contributions to Mineralogy and Petrology 1(5/6), 560-572 (in German).
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