Goethite-replacing-Pyrite with Adularia, Andradite
specimen number:
3331164
location:
Copper Mountain, Prince of Wales Island, Alaska, USA
description: Sharp cubic crystals of what were once pyrite to 1.5 cm on edge been replaced by goethite and scattered throughout this adularia crystal matrix with quartz and andradite. Very neat cabinet sized combination piece from this famous locality.
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Related by Mineral (Goethite):
Goethite — China
Origin: Tongbei, Zhangzhou, Fujian, China
Number: (5005053)
Size: 6.0 x 5.5 x 1.5 cm (small-cabinet)
Goethite — Spain
Origin: Haiti mine, Cabezo de San Gines, San Gines de la Jara, Sierra Minera de Cartagena-La Union, Cartagena, Murcia, Spain
Number: (5004650)
Size: 27.0 x 24.0 x 7.5 cm (large-cabinet)
Goethite — Spain
Origin: San Valentin open pit, Sancti Espiritu, La Union, Murcia, Spain
Number: (5004540)
Size: 5.5 x 4.0 x 4.0 cm (miniature)