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Calcite : CaCO3

Copyright © 2005 M. R. Heintzelman
 
 
minID: TW4-H0J

Calcite : CaCO3

Copyright © 2005 M. R. Heintzelman  - This image is copyrighted. Unauthorized reproduction prohibited.

Sharp, rhombic crystals of Calcite with translucent golden coloration on a diabase matrix. typical of the specimens from the Dyer Quarry, Birdsboro, Berks Co, Pennsylvania. These calcites also exhibit a bright yellowish fluorescent response under SWUV Light. Collected in 2004 at level 6. Specimen size: 5.5 x 4.2cm. From the PA Annex of my personal collection, acquired in 2005.


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Photo added: 11th Apr 2005