Berzelianite with Umangite & Crookesite Bukov Mine, Rozna deposit, Vysocina Region, Moravia, Czech Republic 6.45cm x 3.42cm x 2.9cm Ex. Tony Nikischer Collection

Description/Interesting Notes: A terrific example of rare species from the Czech Republic!!! This specimen hosts a rich showing of berzelianite in association with umangite and crookesite!!! Crookesite is a rare copper thallium silver selenide!!! The berzelianite has a characteristic slightly bluish hue and, upon close examination one can see purplish masses of umangite intergrown within the berzelianite!!! There are dark grayish areas of crookesite scattered about as well!!! This is rich material and there are almost certainly other rare selenides in association as well!!! Rare material!!! The pics hardly do it justice!!! Must be seen in person to be fully appreciated!!! This specimen is from the collection of Tony Nikischer!!! We just acquired the 6000+ specimen PERSONAL collection of Tony Nikischer and there are going to be some very exciting minerals to come in the upcoming days and weeks!!! Good luck and be sure to check out my other exciting mineral auctions on ebay!!! STAY TUNED!!! MORE AUCTIONS WILL BE ADDED SATURDAY NIGHT FOR A SPECIAL 5-DAY AUCTION, ENDING THURSDAY JANUARY 31st!!!

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