A beautiful 'Rainbow' Goethite on Matrix Natural Crystal from the San Valentín Mine, La Unión, Murcia, Spain.
The iridescence (rainbow effect) is believed to occur due to a thin, natural layer of a mixture of Hematite and Goethite on the original Goethite.
Dimensions: 12.2cm x 8.8cm x 4.2cm (4.8 inches x 3.5 inches x 1.6 inches)
The crystal photographed is the crystal you will receive.
Due to crystals being a natural product, this crystal may have some minor imperfections on the outer surface.