Iridescent Goethite From Spain


Goethite
Formula: α-Fe3+O(OH)
System: Orthorhombic.
Hardness: 5 - 5½

From: La Lapilla Mine, Alosno, Huelva, Andalusia, Spain
Dimensions: 12.1 cm x 8.4 cm x 3.8 cm

Credit:  © Fabre Minerals.
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