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Bournonite with Quartz, Sphalerite and Fluorite
22 x 26 x 13 cm / main crystal: 12.5 cm
(Autor: MIM Museum)

Yaogangxian Mine, Yizhang, Chenzhou Prefecture, Hunan Province, China
Bournonite with Quartz, Sphalerite and Fluorite
22 x 26 x 13 cm / main crystal: 12.5 cm
(Autor: MIM Museum)

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