Minerals from Colorado

Microcline var. Amazonite from Rocket Claim, Crystal Peak area, Teller County, Colorado

Microcline var. Amazonite from Lake George, Park County, Colorado

Microcline var. Amazonite from Lake George District, Park County, Colorado

Microcline var. Amazonite from Florissant area, Teller County, Colorado

Microcline var. Amazonite from Crystal Park area, Pike's Peak batholith, El Paso County, Colorado

Microcline var. Amazonite from Crystal Peak area, 6.5 km northeast of Lake George, Park-Teller Counties, Colorado

Microcline var. Amazonite from Bear Creek, Pike's Peak Batholith, El Paso County, Colorado

Microcline var. Amazonite from Pike's Peak Batholith, El Paso County, Colorado

Microcline var. Amazonite from Lake George District, Park County, Colorado

Microcline var. Amazonite from Lake George District, Park County, Colorado

Microcline var. Amazonite from Lake George District, Park County, Colorado

Microcline var. Amazonite from Lake George District, Park County, Colorado

Microcline var. Amazonite from Crystal Peak area, 6.5 km northeast of Lake George, Park-Teller Counties, Colorado

Microcline var. Amazonite from Devil's Head, Rampart Range, 25 km southwest of Castle Rock, Douglas County, Colorado

Microcline var. Amazonite from Lake George District, Park County, Colorado

Microcline var. Amazonite from Lake George District, Park County, Colorado

Microcline var. Amazonite from Smoky Hawk Mine, Florissant, Teller County, Colorado

Microcline var. Amazonite from Crystal Peak area, 6.5 km northeast of Lake George, Park-Teller Counties, Colorado

Microcline var. Amazonite from Crystal Peak area, 6.5 km northeast of Lake George, Park-Teller Counties, Colorado

Microcline var. Amazonite (Manebach Law Twin) from Crystal Peak area, 6.5 km northeast of Lake George, Park-Teller Counties, Colorado

Microcline var. Amazonite (twinned crystals) with Albite from Lake George District, Park County, Colorado

Microcline var. Amazonite (twinned) from Crystal Peak area, 6.5 km northeast of Lake George, Park-Teller Counties, Colorado

Microcline var. Amazonite and Smoky Quartz with Hematite from Crystal Peak area, 6.5 km northeast of Lake George, Park-Teller Counties, Colorado

Microcline var. Amazonite with Albite from Crystal Peak area, 6.5 km northeast of Lake George, Park-Teller Counties, Colorado

Microcline var. Amazonite with Albite from Crystal Peak area, 6.5 km northeast of Lake George, Park-Teller Counties, Colorado

Microcline var. Amazonite with Albite var. Cleavelandite from Smoky Hawk Mine, Lucky Confetti Pocket, Florissant, Teller County, Colorado

Microcline var. Amazonite with Goethite and Muscovite from Lake George District, Park County, Colorado

Microcline var. Amazonite with Hematite from Bear Creek, Pike's Peak Batholith, El Paso County, Colorado

Microcline var. Amazonite with Hematite pseudomorphs after Siderite from Bear Creek, Pike's Peak Batholith, El Paso County, Colorado

Microcline var. Amazonite with Muscovite from Bear Creek, Pike's Peak Batholith, El Paso County, Colorado

Microcline var. Amazonite with Smoky Quartz from Lake George County, Colorado

Microcline var. Amazonite with Smoky Quartz from Crystal Creek, Florissant, Teller County, Colorado

Microcline var. Amazonite with Smoky Quartz from Crystal Peak area, 6.5 km northeast of Lake George, Park-Teller Counties, Colorado

Microcline var. Amazonite with Smoky Quartz from Pike's Peak Batholith, El Paso County, Colorado

Microcline var. Amazonite with Smoky Quartz from Smoky Hawk Mine, Kestrel Pocket, Florrisant, Teller County, Colorado

Microcline var. Amazonite with Smoky Quartz from Harris Park, Park County, Colorado

Microcline var. Amazonite with Smoky Quartz from Lake George District, Park County, Colorado

Microcline var. Amazonite with Smoky Quartz from Coil Claim, Lake George, Park County, Colorado

Microcline var. Amazonite with Smoky Quartz from Smokey Hawk Claim, Teller County, Colorado

Microcline var. Amazonite with Smoky Quartz from Crystal Peak area, 6.5 km northeast of Lake George, Park-Teller Counties, Colorado

Microcline var. Amazonite with Smoky Quartz from Crystal Peak area, 6.5 km northeast of Lake George, Park-Teller Counties, Colorado

Microcline var. Amazonite with Smoky Quartz from Blue Smoky Mine, Bubble Pocket, Florrisant, Teller County, Colorado

Microcline var. Amazonite with Smoky Quartz from Smoky Hawk Mine, Jewel Pocket, Florissant, Teller County, Colorado

Microcline var. Amazonite with Smoky Quartz from Smoky Hawk Mine, Jewel Pocket, Florissant, Teller County, Colorado

Microcline var. Amazonite with Smoky Quartz from Smoky Hawk Claim, Smithsonian Pocket, Florissant, Teller County, Colorado

Microcline var. Amazonite with Smoky Quartz from Harry's Hill, Crystal Peak area, 6.5 km northeast of Lake George, Park-Teller Counties, Colorado

Microcline var. Amazonite with Smoky Quartz from Smoky Hawk Claim, Florissant, Teller County, Colorado

Microcline var. Amazonite with Smoky Quartz from Smoky Hawk Claim, Florissant, Teller County, Colorado

Microcline var. Amazonite with Smoky Quartz from Lake George District, Park County, Colorado

Microcline var. Amazonite with Smoky Quartz and Goethite from Coil Claim, Lake George District, Park County, Colorado

Microcline var. Contact Twin from Mount Antero, Chaffee County, Colorado

Microcline with Albite from Crystal Peak area, 6.5 km northeast of Lake George, Park-Teller Counties, Colorado

Microcline with Albite from Mile Hi Rock and Mineral Society (RAMS) Claim, Lake George District, Park County, Colorado

Microcline with Albite from Mile Hi Rock and Mineral Society (RAMS) Claim, Lake George District, Park County, Colorado

Microcline with Quartz, Siderite from Crystal Peak area, 6.5 km northeast of Lake George, Park-Teller Counties, Colorado

Microcline with Smoky Quartz from Crystal Peak area, 6.5 km northeast of Lake George, Park-Teller Counties, Colorado

Microcline with Smoky Quartz from Pike's Peak Batholith, El Paso County, Colorado

Microcline with Smoky Quartz from Crystal Peak area, 6.5 km northeast of Lake George, Park-Teller Counties, Colorado

Microcline with Smoky Quartz from Lake George District, Park County, Colorado

Microcline with Smoky Quartz from Mile Hi Rock and Mineral Society (RAMS) Claim, Lake George District, Park County, Colorado

Microcline, Albite and Smoky Quartz from Sentinel Rock, west of Bear Creek Canyon, 5.5 km S of Manitou Springs, El Paso County, Colorado

Microcline, Quartz, Goethite from Crystal Peak area, 6.5 km northeast of Lake George, Park-Teller Counties, Colorado

Microcline, Smoky Quartz, Goethite from Crystal Creek, Florissant, Teller County, Colorado

Molybdenite from near the California Mine, Mount Antero, Chaffee County, Colorado

Molybdenite from Amax Mine, Climax, Fremont Pass, Lake County, Colorado

Molybdenite and Molybdite from Climax Mine, Lake County, Colorado

Molybdenite in Quartz from Climax Mine, Fremont Pass, Leadville District, Lake County, Colorado

Monazite-(Ce) from Indian Hills, Jefferson County, Colorado

Murataite-(Y) from St. Peters Dome, El Paso County, Colorado (Type Locality for Murataite-(Y))

Muscovite from Mount Antero, Chaffee County, Colorado

Nahcolite from Anvil Point, Rifle, Garfield County, Colorado

Natromontebrasite var. Fremontite from Eight Mile Park area west of Canon City, Fremont County, Colorado (Type Locality for Fremontite)

Orthoclase from Lake George district, Park County, Colorado

Orthoclase from Climax District, Lake County, Colorado

Orthoclase var. Amazonite Carlsbad Twin from Pike's Peak Batholith, El Paso County, Colorado

Orthoclase var. Carlsbad Twin from Climax District, Lake County, Colorado

Orthoclase var. Carlsbad Twin from Pike's Peak Batholith, El Paso County, Colorado

Orthoclase var. Carlsbad-twins from Summit County, Colorado

Phenakite from Mount Antero, Chaffee County, Colorado

Phenakite from Mount Antero, Chaffee County, Colorado

Phenakite from Mount Antero, Chaffee County, Colorado

Phenakite from Mount Antero, Chaffee County, Colorado

Phenakite from Mount Antero, Chaffee County, Colorado

Phenakite from Mount Antero, Chaffee County, Colorado

Phenakite from Mount Antero, Chaffee County, Colorado

Phenakite from Mount Antero, Chaffee County, Colorado

Phenakite from Mount Antero, Chaffee County, Colorado

Phenakite from Mount Antero, Chaffee County, Colorado

Phenakite from Mount Antero, Chaffee County, Colorado

Phenakite from Mount Antero, Chaffee County, Colorado

Phenakite from Mount Antero, Chaffee County, Colorado

Phenakite from Mount Antero, Chaffee County, Colorado

Phenakite from Mount Antero, Chaffee County, Colorado

Phenakite from Mount Antero, Chaffee County, Colorado

Phenakite from Mount Antero, Chaffee County, Colorado

Phenakite from Mount Antero, Chaffee County, Colorado

Phenakite from Mount Antero, Chaffee County, Colorado

Phenakite from Mount Antero, Chaffee County, Colorado

Phenakite from Mount Antero, Chaffee County, Colorado

Phenakite from Mount Antero, Chaffee County, Colorado

Phenakite from Mount Antero, Chaffee County, Colorado

Phenakite (drill-bit twin) from Mount Antero, Chaffee County, Colorado

Phenakite and Muscovite from Mount Antero, Chaffee County, Colorado

Phenakite and Muscovite from Mount Antero, Chaffee County, Colorado

Phenakite and Muscovite from Mount Antero, Chaffee County, Colorado

Phenakite and Muscovite from Mount Antero, Chaffee County, Colorado

Phenakite and Muscovite from Mount Antero, Chaffee County, Colorado

Phenakite and Muscovite from Mount Antero, Chaffee County, Colorado

Phenakite and Muscovite from Mount Antero, Chaffee County, Colorado

Phenakite and Quartz from Mount Antero, Chaffee County, Colorado

Phenakite on Microcline from Mount Antero, Chaffee County, Colorado

Phenakite on Microcline from West Face, Mount Antero, Chaffee County, Colorado

Phenakite on Microcline from Crystal Park, southwest of Manitou Springs, El Paso County, Colorado

Phenakite on Muscovite from Mount Antero, Chaffee County, Colorado

Phenakite on Quartz from Mount Antero, Chaffee County, Colorado

Phenakite on Quartz from Mount Antero, Chaffee County, Colorado

Phenakite on Smoky Quartz from Mount Antero, Chaffee County, Colorado

Phenakite on Smoky Quartz from Mount Antero, Chaffee County, Colorado

Phenakite twinned crystals from Mount Antero, Chaffee County, Colorado

Phenakite with Muscovite from Mount Antero, Chaffee County, Colorado

Phenakite with Muscovite from Mount Antero, Chaffee County, Colorado

Phenakite with Muscovite from Mount Antero, Chaffee County, Colorado

Phenakite with Muscovite from Mount Antero, Chaffee County, Colorado

Phenakite with Muscovite from Mount Antero, Chaffee County, Colorado

Phenakite with Muscovite from Mount Antero, Chaffee County, Colorado

Phenakite with Muscovite from Mount Antero, Chaffee County, Colorado

Phenakite with Muscovite from Mount Antero, Chaffee County, Colorado

Phenakite with Muscovite from Mount Antero, Chaffee County, Colorado

Phenakite with Muscovite from Mount Antero, Chaffee County, Colorado

Phenakite with Muscovite from Mount Antero, Chaffee County, Colorado

Phenakite with Muscovite from Mount Antero, Chaffee County, Colorado

Phenakite with Muscovite from Mount Antero, Chaffee County, Colorado

Phenakite with Muscovite from Mount Antero, Chaffee County, Colorado

Phenakite with Muscovite and Albite from Mount Antero, Chaffee County, Colorado

Polybasite from Eagle Mine, Gilman District, Eagle County, Colorado

Polybasite and Stephanite from Enterprise Mine, Rico, Dolores County, Colorado

Polycrase-(Y) from Crystal No. 8 Mine, Trout Creek Pass Pegmatite District, Chaffee County, Colorado

Prehnite, Scolecite, Chabazite on Epidote from #5 Pit, Italian Mt., Taylor Park, Colorado

Purpurite from Crystal Mountain District, Larimer County, Colorado

Purpurite with Alluaudite and Muscovite from Storm Mountain District, Larimer County, Colorado

Pyrargyrite from Bulldog Mine, Creede District, Mineral County, Colorado

Pyrargyrite var. Ruby Silver from Aspen District, Pitkin County, Colorado

Pyrite from Leadville, Lake County, Colorado

Pyrite from Leadville Mining District, Lake County, Colorado

Pyrite from Glory Hole, Central City, Colorado

Pyrite from Glory Hole, Central City, Colorado

Pyrite from Sweet Home Mine, Alma, Colorado

Pyrite from Leadville, Lake County, Colorado

Pyrite from Eagle Mine, Gilman, Eagle County, Colorado

Pyrite from Storke Level, Climax Mine, Lake County, Colorado