Freibergite-on-Bournonite

specimen number:
91525717

location:
Yaogangxian Mine, Chenzhou, Hunan, China

description:

A very unique and extremely rare specimen for this prolific locality showing a large blocky metallic bournonite crystal grouping 4.0 x 3.0 x 3.0 cm in size. Dotted over the one large crystal surface are metallic lustrous crystals of freibergite to 0.2 cm in size. There are a couple of areas were freibergite crystals were present and are now gone, but I still think this in outstanding condition. Displays well on its own and complete all-around. This mineral is almost never seen available from this locality. Rare and superb.

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