Darwin Antimony Mine, Ophir Mountain, Darwin Mining District, Darwin Hills, Inyo County, California, USAi
| Regional Level Types | |
|---|---|
| Darwin Antimony Mine | Mine |
| Ophir Mountain | Mountain |
| Darwin Mining District | Mining District |
| Darwin Hills | Group of Hills |
| Inyo County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
36° 18' 20'' North , 117° 37' 20'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
A former Sb mine located in sec. 2, T19S, R40E, MDM, 2.7 km (1.7 miles) NW of Ophir Mountain (coordinates of record) and 5.0 km (3.1 miles) NW of Darwin. MRDS database stated accuracy for this location is 10 meters.
Mineralization is veins of stibnite in a dark gray limestone. Local rocks include Carboniferous marine rocks, unit 2 (SE California Carbonate Assemblage).
Workings include underground openings comprised of a vertical shaft.
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
5 valid minerals.
Detailed Mineral List:
| ⓘ Cervantite Formula: Sb3+Sb5+O4 References: |
| ⓘ Senarmontite Formula: Sb2O3 Habit: Octahedra Description: Crystals to 1 mm. |
| ⓘ Stibiconite Formula: Sb3+Sb5+2O6(OH) References: |
| ⓘ Stibnite Formula: Sb2S3 Habit: Bladed Description: Bladed crystals to 10 cm long; partially oxidized to stibiconite. References: |
| ⓘ Valentinite Formula: Sb2O3 Description: Occurs as 2 mm sprays on massive senarmontite. |
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Stibnite | 2.DB.05 | Sb2S3 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Senarmontite | 4.CB.50 | Sb2O3 |
| ⓘ | Valentinite | 4.CB.55 | Sb2O3 |
| ⓘ | Cervantite | 4.DE.30 | Sb3+Sb5+O4 |
| ⓘ | Stibiconite | 4.DH.20 | Sb3+Sb5+2O6(OH) |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Stibiconite | Sb3+Sb25+O6(OH) |
| O | Oxygen | |
| O | ⓘ Cervantite | Sb3+Sb5+O4 |
| O | ⓘ Senarmontite | Sb2O3 |
| O | ⓘ Stibiconite | Sb3+Sb25+O6(OH) |
| O | ⓘ Valentinite | Sb2O3 |
| S | Sulfur | |
| S | ⓘ Stibnite | Sb2S3 |
| Sb | Antimony | |
| Sb | ⓘ Cervantite | Sb3+Sb5+O4 |
| Sb | ⓘ Senarmontite | Sb2O3 |
| Sb | ⓘ Stibiconite | Sb3+Sb25+O6(OH) |
| Sb | ⓘ Stibnite | Sb2S3 |
| Sb | ⓘ Valentinite | Sb2O3 |
Other Databases
| Link to USGS MRDS: | 10212473 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Antler Foreland BasinBasin
- Basin and Range BasinsBasin
- Mojave DomainDomain
- Southern Basin and RangeWide Rift
USA
- Sierra NevadaMountain Range
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References
(n.d.) Minerals Availability System (MAS), U.S. Bureau of Mines.file ID #0060271927
Darwin Antimony Mine, Ophir Mountain, Darwin Mining District, Darwin Hills, Inyo County, California, USA