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Bannisterite


Bannisterite : Ca0.5(K,Na)0.5(Mn,Fe,Zn)10(Si,Al)16O38(OH)8·5.5H2O

Photo Copyright © Rob Lavinsky & irocks.com  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Broken Hill, Yancowinna Co., New South Wales, Australia
An exceptionally rich specimen for the species with flat, stacked, platelike crystals on feldspar matrix. This is old material, and frankly difficult to find in any quality.Good lustre in person, too, so its not as ugly as it looks! 9.7 x 5.2 x 4.5 cm



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