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Bournonite (twinned crystals) from Yaogangxian Mine, Nanling Mountains, Hunan, China

 
Bournonite (twinned crystals) from Yaogangxian Mine, Nanling Mountains, Hunan, China

Bournonite (twinned crystals) from Yaogangxian Mine, Nanling Mountains, Hunan, China

Bournonite (twinned crystals) from Yaogangxian Mine, Nanling Mountains, Hunan, China

Bournonite (twinned crystals) from Yaogangxian Mine, Nanling Mountains, Hunan, China

Bournonite (twinned crystals) from Yaogangxian Mine, Nanling Mountains, Hunan, China

DESCRIPTION:No. 69114
Mineral:Bournonite (twinned crystals)
Locality:Yaogangxian Mine, Nanling Mountains, Hunan, China
Description:Brilliant gray-metallic bournonite compound-crystals repeatedly twinned resulting in the classic cogwheel-habit that resembles a gear with teeth. The bournonite crystals are doubly-terminated with lustrous faces throughout must see in person. Ex. Georg Gebhard. For locality information see: Mineralogical Record v.42#6, Rocks and Minerals v.80#1
Overall Size:3.2x2.5x2.4 cm
Crystals:20-25 mm
Status: Sold - Posted here for reference only
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