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Greenockite : CdS, Hemimorphite : Zn4Si2O7(OH)2·H2O, Sphalerite : ZnS

Copyright © Christopher O'Neill
 
 
 
minID: RL4-3K4

Greenockite : CdS, Hemimorphite : Zn4Si2O7(OH)2·H2O, Sphalerite : ZnS

Copyright © Christopher O'Neill  - This image is copyrighted. Unauthorized reproduction prohibited.

Note: The mineral species Greenockite is not listed in our database for this locality. This specimen may be misidentified or the mindat list of minerals at this locality may be incomplete.

Dimensions: 5 cm x 3 cm x 1 cm

Greenockite – micro encrustations as a coating forming a yellow frosting on an approx 5 x 3 x 1 cm aggregate of white crystals which may be baryte or smithsonite. Associated with a dark brown sphalerite crystal section on the front and sharp hemimorphite crystals on the back of the specimen. See additional photos and Hugh A. Ford label.

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Photo added: 26th Aug 2008

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