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Amethyst from
Pohndorf Mine (Pondorff Mine), Toll Mountain, Boulder Batholith, Jefferson Co., Montana, USA

Locality type:Mine
Classification
Species:Quartz var: Amethyst
Formula:SiO2
Quality for species:Good crystals or rich for species - important (!)
Confirmation
Validity:Believed Valid
References
References:Rocks & Minerals 47:3 pp160-164; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Associated Minerals Based on Photo Data:
Smoky Quartz18 photos of Amethyst associated with Smoky Quartz at this locality.
Muscovite2 photos of Amethyst associated with Muscovite at this locality.
Data
Mineral Data:Click here to view Amethyst data
Locality Data:Click here to view Pohndorf Mine (Pondorff Mine), Toll Mountain, Boulder Batholith, Jefferson Co., Montana, USA
Nearest other occurrences of Amethyst
2.1km (1.3 miles) A Bald Mountain, Boulder Batholith, Jefferson Co., Montana, USA
10.5km (6.5 miles) B Janney pegmatite occurrence (Janney Station), Summit Valley District, Silver Bow Co., Montana, USA
20.2km (12.5 miles) C Butte District (Summit Valley District), Silver Bow Co., Montana, USA
32.8km (20.4 miles) D Divide, Silver Bow Co., Montana, USA
215.9km (134.2 miles) E Rat's Nest claim (Rat's Nest mine), Challis, Bay Horse District, Custer Co., Idaho, USA
Mineral and/or Locality  
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