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Bournonite from Yaogangxian Mine, Nanling Mountains, Hunan, China

 
Bournonite from Yaogangxian Mine, Nanling Mountains, Hunan, China

Bournonite from Yaogangxian Mine, Nanling Mountains, Hunan, China

Bournonite from Yaogangxian Mine, Nanling Mountains, Hunan, China

DESCRIPTION:No. 69126
Mineral:Bournonite
Locality:Yaogangxian Mine, Nanling Mountains, Hunan, China
Description:Several intersecting lustrous gray-metallic bournonite crystals with no matrix attached. The bournonite crystals are repeatedly twinned on the {110} plane resulting in classic cogwheel-habit that resembles a gear with teeth when viewed on end. Ex. Georg Gebhard. For locality information see: Mineralogical Record v.42#6, Rocks and Minerals v.80#1
Overall Size:35x22x15 mm
Crystals:8-20 mm
Archived: For reference only

 

 

 

 

 

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