Iridescent Goethite From Spain

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

From: La Lapilla Mine, Alosno, Huelva, Andalusia, Spain
Dimensions: 12.1 cm 10 8.4 cm 10 3.8 cm

Credit:  © Fabre Minerals.


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