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Bull Elk Beryl Crystal #1 Mine (Bull Elk Mine; Thodab Mine), Crystal Mountain Pegmatite Mining District (Storm Mountain Mining District), Larimer County, Colorado, USAi
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Latitude & Longitude (WGS84):
40° North , 105° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~8km
Type:
Köppen climate type:
Ref.: Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 31 (Table A-1); Rocks & Min.:57:53-54.
A mica mine located at Sec. 25, T.7N., R.72W. Operated in the 1940's. Restarted 1977 and closed 1979, during which period it was owned by King Koenig.
Mineralization is a pegmatite outcrop 200 feet long by 4 feet ide i mica schist.
Workings include an open cut.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Albite Formula: Na(AlSi3O8) References: |
| ⓘ Albite var. Cleavelandite Formula: Na(AlSi3O8) References: |
| ⓘ 'Apatite' Formula: Ca5(PO4)3(Cl/F/OH) References: |
| ⓘ Autunite Formula: Ca(UO2)2(PO4)2 · 10-12H2O |
| ⓘ Beryl Formula: Be3Al2(Si6O18) References: |
| ⓘ Chrysoberyl Formula: BeAl2O4 References: |
| ⓘ 'Columbite-(Fe)-Columbite-(Mn) Series' |
| ⓘ Columbite-(Mn) Formula: Mn2+Nb2O6 |
| ⓘ Fersmite Formula: CaNb2O6 |
| ⓘ Muscovite Formula: KAl2(AlSi3O10)(OH)2 References: |
| ⓘ 'Plagioclase' Formula: (Na,Ca)[(Si,Al)AlSi2]O8 References: |
| ⓘ Quartz Formula: SiO2 References: |
| ⓘ Quartz var. Smoky Quartz Formula: SiO2 References: |
| ⓘ 'Tourmaline' Formula: AD3G6 (T6O18)(BO3)3X3Z |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| ⓘ | Chrysoberyl | 4.BA.05 | BeAl2O4 |
| ⓘ | Quartz | 4.DA.05 | SiO2 |
| ⓘ | var. Smoky Quartz | 4.DA.05 | SiO2 |
| ⓘ | Columbite-(Mn) | 4.DB.35 | Mn2+Nb2O6 |
| ⓘ | Fersmite | 4.DG.05 | CaNb2O6 |
| Group 8 - Phosphates, Arsenates and Vanadates | |||
| ⓘ | Autunite | 8.EB.05 | Ca(UO2)2(PO4)2 · 10-12H2O |
| Group 9 - Silicates | |||
| ⓘ | Beryl | 9.CJ.05 | Be3Al2(Si6O18) |
| ⓘ | Muscovite | 9.EC.15 | KAl2(AlSi3O10)(OH)2 |
| ⓘ | Albite | 9.FA.35 | Na(AlSi3O8) |
| ⓘ | var. Cleavelandite | 9.FA.35 | Na(AlSi3O8) |
| Unclassified | |||
| ⓘ | 'Tourmaline' | - | AD3G6 (T6O18)(BO3)3X3Z |
| ⓘ | 'Columbite-(Fe)-Columbite-(Mn) Series' | - | |
| ⓘ | 'Plagioclase' | - | (Na,Ca)[(Si,Al)AlSi2]O8 |
| ⓘ | 'Apatite' | - | Ca5(PO4)3(Cl/F/OH) |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Autunite | Ca(UO2)2(PO4)2 · 10-12H2O |
| H | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| H | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Be | Beryllium | |
| Be | ⓘ Beryl | Be3Al2(Si6O18) |
| Be | ⓘ Chrysoberyl | BeAl2O4 |
| B | Boron | |
| B | ⓘ Tourmaline | AD3G6 (T6O18)(BO3)3X3Z |
| O | Oxygen | |
| O | ⓘ Albite | Na(AlSi3O8) |
| O | ⓘ Autunite | Ca(UO2)2(PO4)2 · 10-12H2O |
| O | ⓘ Beryl | Be3Al2(Si6O18) |
| O | ⓘ Chrysoberyl | BeAl2O4 |
| O | ⓘ Fersmite | CaNb2O6 |
| O | ⓘ Columbite-(Mn) | Mn2+Nb2O6 |
| O | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| O | ⓘ Quartz | SiO2 |
| O | ⓘ Quartz var. Smoky Quartz | SiO2 |
| O | ⓘ Tourmaline | AD3G6 (T6O18)(BO3)3X3Z |
| O | ⓘ Albite var. Cleavelandite | Na(AlSi3O8) |
| O | ⓘ Columbite-(Fe)-Columbite-(Mn) Series | |
| O | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| O | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| F | Fluorine | |
| F | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Na | Sodium | |
| Na | ⓘ Albite | Na(AlSi3O8) |
| Na | ⓘ Albite var. Cleavelandite | Na(AlSi3O8) |
| Na | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Al | Aluminium | |
| Al | ⓘ Albite | Na(AlSi3O8) |
| Al | ⓘ Beryl | Be3Al2(Si6O18) |
| Al | ⓘ Chrysoberyl | BeAl2O4 |
| Al | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Al | ⓘ Albite var. Cleavelandite | Na(AlSi3O8) |
| Al | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Si | Silicon | |
| Si | ⓘ Albite | Na(AlSi3O8) |
| Si | ⓘ Beryl | Be3Al2(Si6O18) |
| Si | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Si | ⓘ Quartz | SiO2 |
| Si | ⓘ Quartz var. Smoky Quartz | SiO2 |
| Si | ⓘ Albite var. Cleavelandite | Na(AlSi3O8) |
| Si | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| P | Phosphorus | |
| P | ⓘ Autunite | Ca(UO2)2(PO4)2 · 10-12H2O |
| P | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Cl | Chlorine | |
| Cl | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| K | Potassium | |
| K | ⓘ Muscovite | KAl2(AlSi3O10)(OH)2 |
| Ca | Calcium | |
| Ca | ⓘ Autunite | Ca(UO2)2(PO4)2 · 10-12H2O |
| Ca | ⓘ Fersmite | CaNb2O6 |
| Ca | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Ca | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Mn | Manganese | |
| Mn | ⓘ Columbite-(Mn) | Mn2+Nb2O6 |
| Mn | ⓘ Columbite-(Fe)-Columbite-(Mn) Series | |
| Fe | Iron | |
| Fe | ⓘ Columbite-(Fe)-Columbite-(Mn) Series | |
| Nb | Niobium | |
| Nb | ⓘ Fersmite | CaNb2O6 |
| Nb | ⓘ Columbite-(Mn) | Mn2+Nb2O6 |
| Nb | ⓘ Columbite-(Fe)-Columbite-(Mn) Series | |
| U | Uranium | |
| U | ⓘ Autunite | Ca(UO2)2(PO4)2 · 10-12H2O |
Other Regions, Features and Areas containing this locality
North AmericaContinent
- Rocky MountainsMountain Range
North America PlateTectonic Plate
- Great Plains DomainDomain
- Southern Rocky MountainsOrogenic Belt
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Bull Elk Beryl Crystal #1 Mine, Crystal Mountain Pegmatite Mining District, Larimer County, Colorado, USA