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Granite County, Montana, USA

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Gemstone List

Gem list contains entries from all listed localities in region.

Localities in this Region

USA

Montana
- Granite County
  - Rock Creek Mining District
    - Rock Creek Sapphire (American Sapphire Gem Mine; Gem Mountain Mine; Anaconda-Sapphire Gulches; Chaussee Sapphire Corp. Mine; American Gem Corp.)

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