Hemet Magnesite Mine (Hemet Mine), Hemet, Riverside County, California, USAi
| Regional Level Types | |
|---|---|
| Hemet Magnesite Mine (Hemet Mine) | Mine |
| Hemet | - not defined - |
| Riverside County | County |
| California | State |
| USA | Country |
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Latitude & Longitude (WGS84):
33° 44' North , 116° 58' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Hemet | 83,861 (2017) | 1.7km |
| East Hemet | 17,418 (2011) | 2.7km |
| San Jacinto | 46,951 (2017) | 5.7km |
| Valle Vista | 14,578 (2011) | 7.0km |
| Green Acres | 1,805 (2011) | 10.2km |
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 |
|---|---|---|
| Yucaipa Valley Gem & Mineral Society | Yucaipa, California | 34km |
| Shadow Mountain Gem & Mineral Society | Palm Springs, California | 40km |
| Fallbrook Gem and Mineral Society, Inc. | Fallbrook, California | 48km |
A former magnesite deposit/mine located in the NW¼ sec. 31, T5S, R1W, SBM, 1.6 km (1.0 mile) SSE of Hemet (city center), apparently within the city limits (4 miles SE of Winchester), on private (patented) land. MRDS database stated accuracy for this location is 500 meters.
Mineralization is a vein deposit hosted in serpentinite. The deposit occurs ina stockwork of veins in a belt of serpentine 200 to 400 feet wide, intrusive into micaceous gneiss and schist. Associated rocks include schist and gneiss. Local rocks include Jurassic marine rocks, unit 4 (Peninsular Ranges and Western Transverse Ranges) and/or Mesozoic granitic rocks, unit 2 (Peninsular Ranges).
Workings include surface openings with a length of 76.2 meters, overall depth of 73.15 meters and an overall width of 21.34 meters and comprised of an open cut.
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
3 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:
| ⓘ Enstatite Formula: Mg2Si2O6 References: |
| ⓘ Magnesite Formula: MgCO3 References: |
| ⓘ 'Serpentine Subgroup' Formula: D3[Si2O5](OH)4 |
| ⓘ Tremolite Formula: ◻Ca2Mg5(Si8O22)(OH)2 References: |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 5 - Nitrates and Carbonates | |||
|---|---|---|---|
| ⓘ | Magnesite | 5.AB.05 | MgCO3 |
| Group 9 - Silicates | |||
| ⓘ | Enstatite | 9.DA.05 | Mg2Si2O6 |
| ⓘ | Tremolite | 9.DE.10 | ◻Ca2Mg5(Si8O22)(OH)2 |
| Unclassified | |||
| ⓘ | 'Serpentine Subgroup' | - | D3[Si2O5](OH)4 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
| H | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| C | Carbon | |
| C | ⓘ Magnesite | MgCO3 |
| O | Oxygen | |
| O | ⓘ Enstatite | Mg2Si2O6 |
| O | ⓘ Magnesite | MgCO3 |
| O | ⓘ Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
| O | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| Mg | Magnesium | |
| Mg | ⓘ Enstatite | Mg2Si2O6 |
| Mg | ⓘ Magnesite | MgCO3 |
| Mg | ⓘ Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
| Si | Silicon | |
| Si | ⓘ Enstatite | Mg2Si2O6 |
| Si | ⓘ Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
| Si | ⓘ Serpentine Subgroup | D3[Si2O5](OH)4 |
| Ca | Calcium | |
| Ca | ⓘ Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
Other Databases
| Link to USGS MRDS: | 10064424 |
|---|
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America Plate
- Franciscan DomainDomain
- Peninsular Ranges BatholithVolcanic Arc
- Southern California Borderland BasinsBasin
Pacific PlateTectonic Plate
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