Gemstone Mines in Colorado

23Total Sites
6Active

Gemstone Mining in Colorado

Colorado has 23 gemstone-related mine and mineral deposit locations recorded in federal databases. Of these, 6 are currently active operations. Data comes from the USGS Mineral Resources Data System and MSHA Mine Safety and Health Administration records.

The earliest recorded gemstone mine in Colorado is Kelsey Lake in Larimer County, with records dating to 1996.

By County

CountySites
Saguache County6
Lake County4
Douglas County3
San Juan County2
Boulder County1
Conejos County1
El Paso County1
Gilpin County1
Gunnison County1
Larimer County1
Mesa County1
Teller County1

Gemstone Mines

MineCountyTypeStatus
Florence Lode ClaimTellerProducer
Hall Turquoise MineSaguacheProducer
Iron MaskLakeSurfaceProducer
Kelsey LakeLarimerSurfaceProducer
Poor BoyLakeSurfaceProducer
Turquoise ChiefLakeSurfaceProducer
AmethystMesaUndergroundUnknown
Castle GulchBoulderUndergroundPast Producer
Chalk MountainLakeOccurrence
Devils HeadDouglasOccurrence
Devils Head ProspectDouglasPast Producer
Devils Head TopazDouglasUndergroundPast Producer
George WashingtonSan JuanOccurrence
George WashingtonSan JuanUndergroundPast Producer
Hall Turquoise MineSaguacheOccurrence
King TurquoiseConejosUndergroundPast Producer
Little Melvin LodeGilpinUndergroundPast Producer
Penny Bright #1,#2SaguacheUndergroundPast Producer
Turquoise, Turquoise BlueSaguacheOccurrence
UnknownGunnisonOccurrence
UnknownEl PasoOccurrence
Villa Grove Turquoise LodeSaguacheUndergroundPast Producer
Villa Grove Turquoise MineSaguachePast Producer

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