Idaho Almaden Mine (Nutmeg; U.S.A. Anna; Almaden; Almaden Project), Weiser Mining District, Washington County, Idaho, USAi
| Regional Level Types | |
|---|---|
| Idaho Almaden Mine (Nutmeg; U.S.A. Anna; Almaden; Almaden Project) | Mine |
| Weiser Mining District | Mining District |
| Washington County | County |
| Idaho | State |
| USA | Country |
This page is currently not sponsored. Click here to sponsor this page.
Latitude & Longitude (WGS84):
44° 14' 24'' North , 116° 42' 56'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
East of Weiser.
Opalite cinnabar deposit. Largest mercury producer in early 1940's (4000 flasks of production)
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Beidellite Formula: (Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O |
| ⓘ Cinnabar Formula: HgS |
| ⓘ Halloysite Formula: Al2(Si2O5)(OH)4 |
| ⓘ Kaolinite Formula: Al2(Si2O5)(OH)4 |
| ⓘ 'Limonite' |
| ⓘ Opal Formula: SiO2 · nH2O |
| ⓘ Pyrite Formula: FeS2 |
| ⓘ Quartz Formula: SiO2 |
| ⓘ Quartz var. Chalcedony Formula: SiO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 2 - Sulphides and Sulfosalts | |||
|---|---|---|---|
| ⓘ | Cinnabar | 2.CD.15a | HgS |
| ⓘ | Pyrite | 2.EB.05a | FeS2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Quartz var. Chalcedony | 4.DA.05 | SiO2 |
| ⓘ | 4.DA.05 | SiO2 | |
| ⓘ | Opal | 4.DA.10 | SiO2 · nH2O |
| Group 9 - Silicates | |||
| ⓘ | Beidellite | 9.EC.40 | (Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O |
| ⓘ | Kaolinite | 9.ED.05 | Al2(Si2O5)(OH)4 |
| ⓘ | Halloysite | 9.ED.10 | Al2(Si2O5)(OH)4 |
| Unclassified | |||
| ⓘ | 'Limonite' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Beidellite | (Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O |
| H | ⓘ Halloysite | Al2(Si2O5)(OH)4 |
| H | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| H | ⓘ Opal | SiO2 · nH2O |
| O | Oxygen | |
| O | ⓘ Beidellite | (Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O |
| O | ⓘ Quartz var. Chalcedony | SiO2 |
| O | ⓘ Halloysite | Al2(Si2O5)(OH)4 |
| O | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| O | ⓘ Opal | SiO2 · nH2O |
| O | ⓘ Quartz | SiO2 |
| Na | Sodium | |
| Na | ⓘ Beidellite | (Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O |
| Al | Aluminium | |
| Al | ⓘ Beidellite | (Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O |
| Al | ⓘ Halloysite | Al2(Si2O5)(OH)4 |
| Al | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| Si | Silicon | |
| Si | ⓘ Beidellite | (Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O |
| Si | ⓘ Quartz var. Chalcedony | SiO2 |
| Si | ⓘ Halloysite | Al2(Si2O5)(OH)4 |
| Si | ⓘ Kaolinite | Al2(Si2O5)(OH)4 |
| Si | ⓘ Opal | SiO2 · nH2O |
| Si | ⓘ Quartz | SiO2 |
| S | Sulfur | |
| S | ⓘ Cinnabar | HgS |
| S | ⓘ Pyrite | FeS2 |
| Ca | Calcium | |
| Ca | ⓘ Beidellite | (Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O |
| Fe | Iron | |
| Fe | ⓘ Pyrite | FeS2 |
| Hg | Mercury | |
| Hg | ⓘ Cinnabar | HgS |
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Columbia Basin and RangeWide Rift
- Shoofly-Olds Ferry DomainDomain
USA
- Snake River DownwarpBasin
This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to
visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders
for access and that you are aware of all safety precautions necessary.
References
Alfred L. Anderson (1941) Geology of the Idaho Almaden Quicksilver Mine Near Weiser, Idaho. Pamphlet 55. Idaho Bureau of Mines and Geology
(1956) Quicksilver deposits near Weiser, Washington County, Idaho. Bulletin 1042d. US Geological Survey doi:10.3133/b1042d

Idaho Almaden Mine, Weiser Mining District, Washington County, Idaho, USA