Goethite
"Rainbow Castle"
Un Spécimen Andalou. Goethite from Filón Sur Mine, Tharsis, Alosno, Huelva, Andalusia, Spain, 11 x 12 x 6 cm. This specimen has been sold. Click to enlarge. (Photo: Robert Weldon)
SOLD
This goethite growing in columns with vivid iridescences sparkles with all the colors of the rainbow. The sample, from a very unique find in the 1980s, was in a Spanish private collection.
This specimen was featured in the August 2015 issue of our newsletter Pala Mineralis
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