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Montana
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Gemstone Photos (17)
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Gemstone List
Gem list contains entries from all listed localities in region.
Cassiterite
Corundum
var: Ruby
var: Sapphire
Covellite
Garnet Group
var: Almandine
var: Rhodolite
Kyanite
Quartz
var: Agate
var: Chalcedony
var: Moss Agate
Rhodonite
Topaz
Gemstones from Montana, USA by Colour
Click on a photo for more information.
Localities in this Region
USA
Montana
Deer Lodge County
Orofino Mining District
Dry Cottonwood Creek
Dry Cottonwood placer
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.)
Judith Basin County
Little Belt Mountains
Yogo District
Yogo Gulch
Lewis and Clark County
East Helena
Eldorado Bar
Eldorado Bar deposit (Eldorado Strip Mine)
Helena Mining District (Spring Hill Mining District)
Helena area
Missouri River gravel bar
Missouri River placers
Spokane Bar (American Gem Corp.; Spokane Bar Sapphire Mine)
Silver Bow County
Butte Mining District (Summit Valley Mining District)