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Goethite : α-Fe3+O(OH)

Copyright © Rob Lavinsky & irocks.com
 
 
minID: GU8-FRY

Goethite : α-Fe3+O(OH)

Copyright © Rob Lavinsky & irocks.com  - This image is copyrighted. Unauthorized reproduction prohibited.
Dimensions: 4 cm x 3.7 cm x 2.8 cm

Goethite is usually seen as a rather dull and non-descript mineral, but these old Colorado specimens feature goethite at its best, as gleaming crystal sprays - rarely, as a radial "star" such as this one! 4.0 x 3.7 x 2.8cm

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Photo added: 12th Dec 2005