| β Albite Formula: Na(AlSi3O8) Localities: NC No. 1 claim (Clarence Coil claim), Lake George, Park County, Colorado, USAR. A. Kosnar claim, Yucca Hill, Steven's Ranch, Lake George, Park County, Colorado, USALake George, Park County, Colorado, USA |
| β Albite var. Cleavelandite Formula: Na(AlSi3O8) |
| β Baryte Formula: BaSO4 References: Meeves, H.; Harrer, C.M.; Salsbury, M.H.; Konselman, A.S; Shannon, S.S. Jnr. (1966) Reconnaissance of beryllium-bearing pegmatite deposits in six western states: Arizona, Colorado, New Mexico, South Dakota, Utah, and Wyoming. Bureau of Mines Information Circular 8298. United States Department of the Interior 34 pp.p.31 - (Table A-1) |
| β Bertrandite Formula: Be4(Si2O7)(OH)2 References: Meeves, H.; Harrer, C.M.; Salsbury, M.H.; Konselman, A.S; Shannon, S.S. Jnr. (1966) Reconnaissance of beryllium-bearing pegmatite deposits in six western states: Arizona, Colorado, New Mexico, South Dakota, Utah, and Wyoming. Bureau of Mines Information Circular 8298. United States Department of the Interior 34 pp.p.31 - (Table A-1) |
| β Beryl Formula: Be3Al2(Si6O18) References: Meeves, H.; Harrer, C.M.; Salsbury, M.H.; Konselman, A.S; Shannon, S.S. Jnr. (1966) Reconnaissance of beryllium-bearing pegmatite deposits in six western states: Arizona, Colorado, New Mexico, South Dakota, Utah, and Wyoming. Bureau of Mines Information Circular 8298. United States Department of the Interior 34 pp.p.31 - (Table A-1) |
| β Calcite Formula: CaCO3 |
| β Cassiterite Formula: SnO2 |
| β Chalcopyrite Formula: CuFeS2 |
| β Cordierite Formula: Mg2Al4Si5O18 |
| β Covellite Formula: CuS |
| β Euclase Formula: BeAl(SiO4)(OH) |
| β 'Feldspar Group' |
| β Fluorite Formula: CaF2 Localities: R. A. Kosnar #4 Prospect, Lake George, Park County, Colorado, USALake George, Park County, Colorado, USAMary Lea-Little Bear Mine (Mary Lee Mine; Little Bear No. 2 Mine), Lake George, Park County, Colorado, USAR. A. Kosnar #2 Prospect, Lake George, Park County, Colorado, USA |
| β Galena Formula: PbS |
| β Goethite Formula: Fe3+O(OH) |
| β Hematite Formula: Fe2O3 Localities: R. A. Kosnar's Goethite Hill claim, Lake George, Park County, Colorado, USAR. A. Kosnar claim, Yucca Hill, Steven's Ranch, Lake George, Park County, Colorado, USA |
| β Microcline Formula: K(AlSi3O8) Localities: Reported from at least 7 localities in this region. |
| β Microcline var. Amazonite Formula: K(AlSi3O8) Localities: Chance Claim, Lake George, Park County, Colorado, USANC No. 1 claim (Clarence Coil claim), Lake George, Park County, Colorado, USAR. A. Kosnar claim, Yucca Hill, Steven's Ranch, Lake George, Park County, Colorado, USALake George, Park County, Colorado, USAQuartz Hill, Lake George, Park County, Colorado, USA |
| β Molybdenite Formula: MoS2 |
| β Muscovite Formula: KAl2(AlSi3O10)(OH)2 |
β 'Onegite'Localities: R. A. Kosnar's Goethite Hill claim, Lake George, Park County, Colorado, USAChance Claim, Lake George, Park County, Colorado, USARosa Claim, Lake George, Park County, Colorado, USA |
| β Pyrite Formula: FeS2 |
| β Quartz Formula: SiO2 |
| β Quartz var. Smoky Quartz Formula: SiO2 Localities: Reported from at least 9 localities in this region. |
| β Siderite Formula: FeCO3 Localities: R. A. Kosnar claim, Yucca Hill, Steven's Ranch, Lake George, Park County, Colorado, USAMary Lea-Little Bear Mine (Mary Lee Mine; Little Bear No. 2 Mine), Lake George, Park County, Colorado, USA |
| β Sphalerite Formula: ZnS |
| β Stibiocolumbite Formula: SbNbO4 |
| β Topaz Formula: Al2(SiO4)(F,OH)2 |
| β Uraninite Formula: UO2 |
β 'Wolframite Group'References: Meeves, H.; Harrer, C.M.; Salsbury, M.H.; Konselman, A.S; Shannon, S.S. Jnr. (1966) Reconnaissance of beryllium-bearing pegmatite deposits in six western states: Arizona, Colorado, New Mexico, South Dakota, Utah, and Wyoming. Bureau of Mines Information Circular 8298. United States Department of the Interior 34 pp.p.31 - (Table A-1) |
| β Xenotime-(Y) Formula: Y(PO4) |
| β Zircon Formula: Zr(SiO4) |
| β Zircon var. Cyrtolite Formula: Zr[(SiO4),(OH)4] |
Lake George, Park County, Colorado, USA