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Cordierite


Cordierite : (Mg,Fe)2Al4Si5O18

Photo Copyright © Fred Kruijen  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Wannenköpfe, Ochtendung, Polch, Eifel Mts, Rhineland-Palatinate, Germany
A rare mineral at the Wannenköpfe, you're very lucky if you find some specimens. Another old name is Dichroite (Greek), which means: two-colored rock, a reference to Cordierite's strong pleochroism. The color changes from violet blue to grayish/yellow as the crystal is turned. Image width: 1,5 mm.
Photo/collection: Fred Kruijen.

This Photo was Mindat.org Photo of the Day - 8th Sep 2006

This photo has been shown 1123 times

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