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Zunyite with Pyrophyllite, Diaspore, & Kaolinite Doornfontein, Postmasburg manganese field, Northern Cape Province, South Africa 6.05cm x 5.7cm x 4.25cm Ex. Prof. Wm. Heinrich Collection, University of Michigan

Description/Interesting Notes: An amazing example of zunyite from South Africa!!! This specimen consists of an unusual, COLOR-CHANGE matrix of microcrystalline diaspore with pyrophyllite and kaolinite that hosts a rich showing of sharp zunyite crystals!!! The zunyite crystals are appreciably sized, razor-sharp, lustrous, and gemmy!!! They have a light tan color with many of the crystals having red nuclei in their centers!!! There are also numerous twinned crystals as well!!! Even more exciting is the fact that this matrix turns from purple under incandescent light to deep green under sunlight (or full spectrum fluorescent)!!! The pictures show it as magenta under incandescent light and hardly capture the green color under fluorescent - HOWEVER, in person this specimen changes from PURPLE to GREEN in a VERY PRONOUNCED COLOR CHANGE!!! The cool thing about the matrix changing color is that the zunyite crystals seem to "pop" after the matrix turns to green - you have simply got to see it in person!!! This specimen was given to Prof. Heinrich from F.H.S. Vermaas who did significant work on the species from this locality that was published in American Mineralogist in 1952!!! This specimen retains its original label from the Heinrich (Michigan University) Collection and the label retains details notes regarding the matter on the reverse!!! The pics don't even come close to doing this unique specimen justice!!! from F. H. S. Vermaas description in the American Mineralogist http://www.minsocam.org/ammin/AM37/AM37_960.pdf Good luck and be sure to check out my other exciting mineral auctions on ebay!!! STAY TUNED!!! MORE AUCTIONS WILL BE ADDED MONDAY NIGHT FOR A SPECIAL 3-DAY AUCTION, ENDING THURSDAY DECEMBER 3rd!!! We are constantly acquiring new exciting specimens & old collections!!! BE THE FIRST TO FIND OUT WHAT'S NEW & CHECK OUT OUR Ebay "About Me" page!!! ALSO, CHECK BACK OFTEN BECAUSE WE WILL BE ADDING MORE UPDATES AND SPECIMENS IN THE UPCOMING WEEKS!!!

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