Limonite Pseudomorph after Pyrite, with Spessartine
Tongbei, Yunxiao Co., Zhangzhou Prefecture, Fujian Province, China
Thumbnail, 3.0 x 2.8 x 1.5 cm
This unusual specimen features an elongated, chocolate-colored limonite pseudomorph after pyrite, measuring 3 cm in length. Perched on the side of the limonite are a few glassy and translucent, orange spessartine crystals, to 3 mm across.

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