Gem Mountain Sapphire Mine (American Sapphire Gem Mine; Chaussee Sapphire Mine), Rock Creek Mining District, Granite County, Montana, USAi
| Regional Level Types | |
|---|---|
| Gem Mountain Sapphire Mine (American Sapphire Gem Mine; Chaussee Sapphire Mine) | Mine |
| Rock Creek Mining District | Mining District |
| Granite County | County |
| Montana | State |
| USA | Country |
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Latitude & Longitude (WGS84):
46° 16' 34'' North , 113° 36' 12'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Philipsburg | 884 (2017) | 24.5km |
| Maxville | 130 (2011) | 35.2km |
| Stevensville | 1,922 (2017) | 45.7km |
| Florence | 765 (2011) | 53.7km |
| Clinton | 1,052 (2011) | 55.4km |
Nearest Clubs:
Local clubs are the best way to get access to collecting localities
Local clubs are the best way to get access to collecting localities
| Club | Location | Distance |
|---|---|---|
| Bitterroot Gem & Mineral Society | Corvallis, Montana | 39km |
REF:Deposit:: MBMG BULL 115, P. 24.
Deposit:: THE NORTHERN MINER, 1994, AMERICAN GEM PRODUCING SAPPHIRES IN MONTANA: V. 80, NO. 30, P. 1, 10, 11.
Commodities (Major) - Gemstone, Abrasive - Corundum
Development Status: Producer
Host Rock: Alluvium
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsCommodity List
This is a list of exploitable or exploited mineral commodities recorded at this locality.Mineral List
2 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| ⓘ Corundum Formula: Al2O3 References: |
| ⓘ Corundum var. Sapphire Formula: Al2O3 References: |
| ⓘ Quartz Formula: SiO2 References: Luetcke, Rolf (n.d.) Personal communication.Identification: Visual Identification |
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Corundum | 4.CB.05 | Al2O3 |
| ⓘ | var. Sapphire | 4.CB.05 | Al2O3 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Corundum | Al2O3 |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Corundum var. Sapphire | Al2O3 |
| Al | Aluminium | |
| Al | ⓘ Corundum | Al2O3 |
| Al | ⓘ Corundum var. Sapphire | Al2O3 |
| Si | Silicon | |
| Si | ⓘ Quartz | SiO2 |
Other Databases
| Link to USGS MRDS: | 10012518 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Rocky MountainsMountain Range
North America PlateTectonic Plate
- Belt BasinBasin
- Northern Rocky MountainsWide Rift
- Wallace DomainDomain
USA
- Montana
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Gem Mountain Sapphire Mine, Rock Creek Mining District, Granite County, Montana, USA