Jefferson Co., Colorado, USA

Mineral list contains contents from all localities listed at bottom of page


Mineral List:

Actinolite Albite    var: Cleavelandite 'Albite-Anorthite Series' 'Allanite' Allanite-(Ce) Allophane Almandine Aluminite Alum-(K) Alunite Alunogen Analcime Anatase Andalusite Anhydrite Ankerite Annite Anorthite var: Labradorite Anthophyllite 'Apatite' Apatite-(CaF)    var: Carbonate-rich Apatite-(CaF) 'Apophyllite' Apophyllite-(KF) Aragonite Arsenopyrite Augite Autunite Azurite Baryte 'Bastnäsite' Bayleyite Becquerelite Bertrandite Beryl Betafite Biotite Bismuth Bismuthinite Bismutite Bornite Brochantite Calcite Carnotite Cassiterite Celestine Cerite-(Ce) ? Cerussite 'Chabazite' Chabazite-Ca Chalcanthite 'Chalcedony'    'var: Agate'    'var: Carnelian'    'var: Petrified Wood' Chalcocite Chalcopyrite 'Chevkinite' 'Chlorite Group' Chondrodite Chrysoberyl Chrysocolla 'Clay' Clinochlore Clinohumite Clinozoisite ? 'Coal var: Bituminous Coal' Coffinite 'Columbite' Columbite-(Fe) Columbite-(Mn) Copiapite ? Copper 'Copper Stain' Cordierite Corundum Covellite Cowlesite Cryolite Cummingtonite Cuprite Dawsonite Digenite Diopside Dolomite    var: Ferroan Dolomite Dypingite Edenite Elbaite Emplectite Enstatite var: Bronzite Epidote Epsomite

Euxenite-(Y) Fayalite 'Feldspar Group' 'Fergusonite' Ferrimolybdite Ferrohornblende 'Fluocerite' Fluocerite-(Ce) Fluorite    var: Yttrofluorite Fourmarierite Fergusonite-(Y) 'Gadolinite' Gadolinite-(Ce) Gadolinite-(Y) Gahnite Galena 'Garnet Group' Garronite Gedrite Glaucodot Glauconite Goethite Gold    var: Electrum Gonnardite Graphite Grossular Grunerite 'Gummite' Gypsum    var: Selenite Halloysite ? Halotrichite Hastingsite Hedenbergite Hematite    var: Specularite Hemimorphite 'Heulandite' Heulandite-Ca Hexahydrite ? 'Hornblende' Humite Hydromagnesite Illite Ilmenite Ilsemannite Johannite Jordisite Kalinite Kaolinite 'K Feldspar' Lansfordite Laumontite Leucoxene Lévyne-Ca Liebigite Limonite Lithiophilite Magnesiocopiapite ? Magnetite Malachite Marcasite Maucherite Meionite Mesolite Meta-autunite Metatorbernite Metatyuyamunite Metazeunerite 'Mica Group' Microcline    var: Amazonite Microlite Mirabilite Mixite Molybdenite 'Monazite' Montmorillonite Mordenite Muscovite Nacrite Natrolite Nesquehonite Nickeline Nontronite Offretite 'Olivine' Opal    var: Fire Opal    var: Wood Opal Orthoclase    var: Adularia

Pararammelsbergite 'Perthite' Pharmacosiderite Phillipsite-Ca Phlogopite Phosphuranylite Piemontite Pirssonite ? Polylithionite Powellite Prehnite 'Prochlorite' Pyrite Pyrochlore Pyrolusite Pyromorphite Pyrrhotite Quartz    var: Amethyst    var: Citrine    var: Jasper    var: Milky Quartz    var: Rose Quartz    var: Smoky Quartz Rammelsbergite Romanèchite Rowlandite-(Y) ? Rutile Samarskite-(Y) Samarskite-(Yb) (TL) Sanidine 'Scapolite'    var: Wernerite Scheelite Schorl 'Schorl-Dravite Series' Schröckingerite ? Sellaite 'Sericite' Siderite Siderophyllite Sillimanite Silver Skutterudite 'Smectite Group' Smithsonite var: Monheimite Spessartine Sphalerite Spinel Staurolite 'Stilbite' Stilbite-Ca Stromeyerite Swartzite Sylvanite ? Synchysite-(Y) Szomolnokite Talc Tantalite Tantalite-(Mn) Tengerite-(Y) Tennantite Tenorite Tetrahedrite Thalénite-(Y) Thenardite 'Thomsonite' Thomsonite-Ca Thorite    var: Uranothorite ? Thorogummite Titanite Topaz Torbernite 'Tourmaline' Tremolite Triphylite Triplite Uraninite    var: Pitchblende Uranophane Uranopilite Uranpyrochlore Vesuvianite Willemite Woodwardite Xenotime-(Y) 'Yttrocerite' Yttrotantalite-(Y) Zálesíite Zinnwaldite Zippeite Zircon    var: Cyrtolite

282 entries listed. 212 valid minerals. 1 type locality (valid mineral). 1 erroneous literature entry.

Localities in this Region:

USA   Colorado Jefferson Co. Apex No. 10 Clay Pit Bender Bergen Park area Creswell Mine El Rancho exit Park Lode Unnamed pegmatite Beryl Ores Mill Bette No. 1 Binder Clay Mine Blue Mountain Brannon Pit No. 17 Buff Pit Buffalo Creek Area Unknown Fluorine - Fluorite Occurrence (MRDS - 10016592) Unknown Fluorine - Fluorite Occurrence (MRDS - 10016593) Unnamed Lead Mine (MRDS - 10013741) C. P. Hoyts Pits Carlile Shale Chieftan Mine Clear Creek Canyon C.J.'s Cave Clear Creek Quarry Clear Creek pegmatite Province Bachman Ranch Mine Bigger Mica Mine (Sweitzer Lode) Buckman Ranch Mine Burroughs Mine (Traut-Rudin-Anderson Pegmatite; Sunrise Peak Mine) Centennial Cone Calc-silicate gneiss Centennial Cone pegmatite (K. L. Green Ranch) Coors Pegmatite (Coors Feldspar Pegmatite; Coors Quarry) Cressmans Gulch Mine (Cressmans Gulch pegmatite) Drew Hill Prospect (Drew Hill Pegmatites Nos. 1 and 2) East Shaffer Hill pegmatite Elledge Mine (Ramstetter Mine) Gilman Ranch pegmatite Grover Winsor Pegmatite Hiwan Ranch Johnson Mine Ladwig-Grosso pegmatite Ladwig Ranch pegmatites Little Abner Mine Old Soda Creek School Pegmatite Robinson Gulch pegmatite Unnamed adit Roscoe Beryl Mine (Roscoe pegmatite) Roscoe Gulch pegmatites Seven Hills - Yetter Ranch Pegmatite Occurrence Silver Glen Ranch Mine Soda Creek School Mine (Soda Creek School pegmatite) Strang Pegmatite Occurrence (S. B. Strang Ralston Creek Pegmatite) Swede - Kerr Gulches Pegmatites Tall Timber group Unknown Feldspar (MRDS - 10215533) Unnamed pegmatite Unnamed Rutile Occurrence (MRDS - 10090176) Wasson Ranch Mine (Rainbow Hills Pegmatite; Wasson Ranch Pegmatite) Cody Park Conifer Coors Clay Mines Critchell area Billiken and Black Knight Lodes Occurrence Cook Property Critchell Mine Kennedy Gulch Magnetite Deposit Platt Canyon Qualla and Young Sampson Lodes Occurrence Dakota hogback Deer Creek Unnamed Pegmatite Deer Creek Canyon Deer Creek Mine Deer Creek South Pit Quarry Denver Area Swadley Placers Unnamed Placer (MRDS - 10013256) Douglas Mountain Road Eldorado Springs quadrangle Elk Creek Evergreen District (Malachite District) Bear Creek-Evergreen area Augusta Mine Bear Creek Bull Hill Claim Capitol Central Mine Evergreen area Evergreen Florite Deposit (Agusta Lode) F.M.D. Mine Hosa Lodge Mine Idealite Mine Liberty lode Malachite Mine (Morrison) Pine Grove Mine Evergreen Meadows Fenders - Magnotte Pegmatite Occurrence Foothill District Church Pit Denver Fire Clay Company Occurrence Fire Clay No. 4 Occurrence Four Corners Mine (Pallaoro Lease; Morrison Mine) Johnson Ladwig No. 2 Leyden Leyden Mine Mann Ranch (Vanadium Queen Mine; Mann Mine) Old Leyden Mine Rocky Flats Pit Spicer Clay Mine. State Clay Mine (Wesley Conda Inc.) State Highway 74 roadcut Unknown Clay - Fire (Refractory; MRDS - 10108134) Unknown Clay Occurrence (MRDS - 10016659) Unknown Gypsum - Anhydrite (MRDS - 10263823) Unknown Stone - Dimension Occurrence (MRDS - 10091136) US Highway 285 roadcut Wilson Clay Mine Front Range Bergen Park Pit Black Clay Mine Blackstone Claim Brown Silica Fork Prospect Fred Pierce Ranch (Ramstetter Quarry) G. H. Buckman Ranch Glencoe Quarries Golden Pit Grosso Prospect Jackass Occurrence Johnson No. 2 No. 3 & 4 Refractory Clay Mines Pallaro Lease (Morrison Mine; Four Corners Mine) Section 35 T3S R71W Prospect Section 36 T2S R71W N 1/2 Prospect Unknown Clay - Fire (Refractory) Occurrence (MRDS - 10016681) Unknown Clay - Fire (Refractory) Occurrence (MRDS - 10016689) Unknown Clay - Fire (Refractory) Occurrence (MRDS - 10016915) Unknown Clay Occurrence (MRDS - 10091191) Unknown Limestone - General (MRDS - 10108145) Unknown Limestone - General (MRDS - 10108171) Unknown Limestone - General Occurrence (MRDS - 10016674) Unknown Stone - Crushed/Broken (MRDS - 10016687) Unknown Stone - Crushed/Broken (MRDS - 10166853) Unknown Stone - Dimension Occurrence (MRDS - 10016677) Genesee Park calc-silicate locality Gilpin No. 1 Golden I70 roadcut Laramie Formation Pearlette ash bed Golden Clay Mines Golden District Golden Green Mountain North Table Mountain Unnamed prospect Unnamed tunnel South Table Mountain Lookout Mountain Maggie Lode Tucker Gulch Golden Fire Brick Company Golden Gate Canyon - Ralston Creek area Golden Granite Quarry Guy Hill pegmatite area Ohman prospect Hard Rock Quarries Idaho Springs Formation Idledale District Grapevine Mine Quatman Lease Unknown Copper (MRDS - 10191295) Wright Lease (Foothills Mine) Indian Gulch Indian Hills Hinman Mine Iowa Gulch Occurrence (Iowa Gulch Pegmatite) Iron Dyke Johnson Reservoir Lakewood Federal Center McIntrye Gulch Flora Way Jefferson County Fairgrounds Jewell Avenue Kipling Parkway Nevada Place Sims Boulevard Lariat Mine Leavenworth Creek

USA   Colorado Jefferson Co. Lindsay Long Scraggy Orthite No. 1 & Sunset Groups Unknown Fluorine - Fluorite (MRDS - 10191150) Lookout Mountain Branch Ranch Unnamed pegmatite Lower Clear Creek Area Appel Lease Bertrand Quarry Clear Creek Coon Gulch Clay Pits Doughty Pit Dry Creek Pit Golden Quarry Green Mountain Clay Pit H. M. Rubey Clay Company Mine Landsay Pit Linda 1 & 2 Mine North Golden Pit North Rock Quarry Parfet Clay Pits Rockwell Shepherd Mine Tincup Mine Unknown Clay Occurrence (MRDS - 10016136) Unknown Clay Occurrence (MRDS - 10016694) Unknown Clay Occurrence (MRDS - 10016980) Unnamed Placer (MRDS - 10013742) Unnamed Placers (MRDS - 10013743) M&S Chieftain Mine Madlen School Pegmatites Malden School Pegmatite Occurrence Mica Prospect; Nare Ranch Morrison Area Dinosaur Ridge Jefferson County Iron Mines Morrison Formation Morrison quadrangle Shonkinite Morrison Road roadcut Unknown Clay - Fire (Refractory) Occurrence (MRDS - 10016950) Unnamed Fe Mine (MRDS - 10013740) Morrison Quarry Mount Evans Pegmatite Points area Unnamed pegmatite Mount Vernon Canyon New Hedley No Name Pegmatite North & South Chieftan Orahood Bank Pasty R. Gilman Ranch Pegmatite Occurrence Ralston Buttes District Ascension Mine (Nare Lease; Nair Prospect) Aubrey - Ladwig Mine (Aubrey Ladwig Lease; Gary Mine) Bankers Lode Claim Buckman Property (Golden Gate Canyon Prospect No. 2) Caldwell Pit Cervi Lease Occurrence Coal Creek Brereton Mine Coal Creek Quartzite Coors Quarry Eldorado Pit Hoffmeister Uranium Prospect Ladwig Ladwig Group (Ladwig No. 2; Ladwig No. 3; Claims: Ladwig No. 1) Mena Mine (Hoffmeister Homestead Prospect; Black Judge Shaft; Nigger Shaft) North Star Mine Ohman Mine (Nare Lease) Ralston Creek Schwartzwalder Mine (Ralston Creek Mine) Union Pacific Shaft Occurrence (Union Pacific Prospect) Unknown Mica Occurrence (MRDS - 10016145) Unknown Mica Occurrence (MRDS - 10016147) Unknown Quartz - Feldspar Occurrence (MRDS - 10190956) Unknown REE Occurrence (MRDS - 10016138) Unknown Stone (MRDS - 10263947) Unnamed Cu Prospect (MRDS - 10013712)