Boulder Co., Colorado, USA

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


Mineral List:

Acanthite Actinolite Aegirine Aikinite Alabandite Albite 'Albite-Anorthite Series' 'Allanite' Allanite-(Ce) Allophane Altaite Alunite Analcime Anatase Andalusite Anglesite Anhydrite Anthophyllite Antimony 'Apatite' Arfvedsonite Arsenic Arsenopyrite 'Asbestos' Augite Aurichalcite Autunite Azurite Baryte Bassetite 'Bastnäsite' Bastnäsite-(Ce) Beidellite Beryl Biotite Bismuth Bismuthinite Bismutite Bornite Boulangerite Briartite Britholite-(Ce) Brucite Buckhornite (TL) Calaverite Calcite Calomel Cassiterite Celestine Cerite-(Ce) Cerussite Cervelleite Chalcanthite 'Chalcedony' Chalcocite Chalcopyrite Chlorargyrite 'Chlorite Group' Chrysocolla Chrysotile Cimolite Cinnabar 'Clay' Clinozoisite Cobaltite Coffinite Coloradoite (TL) 'Columbite' Copper Cordierite Corrensite Covellite Cryolite Dawsonite Dickite Digenite

Diopside    var: Chromian Diopside Dolomite Eckermannite Empressite Enargite Enstatite Epidote Famatinite Ferberite Ferritungstite Fizélyite Fluorite Freibergite Fülöppite 'Gadolinite' Gadolinite-(Y) Galena 'Garnet Group' 'Garnierite' Gearksutite Gedrite Geocronite Germanite Gersdorffite Goethite Gold    var: Electrum Goldamalgam Goslarite Goyazite Graphite Grossular Halotrichite Haüyne Heazlewoodite Hedenbergite Hematite Hessite 'Heulandite' ? Hübnerite Illite Ilmenite    var: Picrotitanite Ilsemannite Iodargyrite Jalpaite Jamesonite Keystoneite (TL) 'K Feldspar' Krennerite Limonite Linarite Magnetite    var: Titaniferous Magnetite Magnolite (TL) Malachite Marcasite Melonite Mercury Miargyrite 'Mica Group' Microcline Millerite Molybdenite 'Monazite' Montanite ? Montmorillonite Morenosite Muscovite Nagyágite Nickeline Nontronite 'Olivine' Opal Orthoclase

Orthoclase var: Adularia Paratacamite Paratellurite Pearceite Pentlandite Petzite Phlogopite Piemontite Platinum ? Polybasite Polydymite Posnjakite Prehnite Proustite Pyrargyrite Pyrite    var: Bravoite Pyrope 'Pyroxene Group' Pyrrhotite Quartz Renierite Rickardite Riebeckite Roscoelite 'Ruby Silver Ore' Rutile Samarskite-(Y) Sanidine Scheelite Schröckingerite Scolecite ? 'Sericite' 'Serpentine Group' Siderite Sillimanite Silver    var: Amalgam Sodalite ? Sphalerite Spinel Stephanite Stibnite Stromeyerite Stützite Sulphur Sylvanite Tantalite Tellurantimony Tellurite Tellurium Tennantite Tetradymite Tetrahedrite Thorite var: Uranothorite Thorogummite Titanite Torbernite Törnebohmite-(Ce) Tungstite Ulvöspinel Uraninite    var: Pitchblende Uranophane Vesuvianite Villiaumite Violarite Vivianite 'Wad' Weberite Weissite ? Wolframite Wollastonite Woodhouseite 'Zeolite Group' Zircon

228 entries listed. 187 valid minerals. 4 type localities (valid minerals).

Localities in this Region:

USA   Colorado Boulder Co. Allens Park Alum Hill Arapahoe Peak 4th of July Occurrence Brooks (Broome Company; Olympic; Nebraska; Beatrice; Crater Occurrence) Unknown Tin Occurrence (MRDS - 10017288) Avalon Placer (Onondaga; Syracuse; Silver Str.) Balarat District Smuggler Mine Barron Beaver Beryl claims Beryl lode Blue Ribbon Bonanza No. 2 Boulder-Weld Coal Field Fox Hills Outcrop Boulder Area Lease Tailings Pond (Stattendale Dump) Boulder Brick & Tile Company Boulder Co. Tungsten District 1903 Amy Paul Anna C. Mine (Vacant Spot; Minnie Foy; Lone Pine; Beddig; Oregon; Niagara; Denver; Illinois; Greyback; Sunset Sisson; Spiderleg; Conger; Quay) Arrow 1; 2; 3 Occurrence Aztec Barker (Barker Tunnel) Barker No. 3 Big Cameron Big Six Birds Nest and Village Belle Black Ace Claims Black Hawk No. 2 vein Black Iron Occurrence (Mammoth; Sunday; Mary Nelson; March; Tungsten; Elsie and Windy Tunnel; Tungsten Mtn. Nos. 6 & 9; Fitzsimmons No. 1) Black King Black River Eastview Occurrence Black Rose (12; 13; Rocky Mountain; Rogers No. 2; Blue Bell; Crackerjack; Black Squirrel) Black Rover Bobcat Occurrence (Mud Lake; Greenhorn; Philip Extension; Richard; Lone Tree; Crow; Nabob; Rake off; Corkscrew) Brace (Brace Tunnel) Catastrophe Chavez Mine Clara Clark Tunnel Cold Spring Mine Colorado Springs Tungsten Placer Conger Mine Copeland Mines (Copeland Group of Mines) Crete Cross Mine Cross No. 4 Cross Prospect (Cross No. 2; Holy Cross) Cross Spider Mine Crow No. 36 Crownpoint Crucible Steel Dillon Dozer Early Spring Empress (Sylvan Ute) Eureka Mine (Eureka Alta) F. G. Watrous Tungsten Prospect Fair Count Vein Occurrence Fitzgerald Fitzsimons No. One Floyd Fraction Lode (June; Lord Byron; Catastrophe; Evening Post Occurrence) Gale Mine Gem Georgia A. Mine Gold Coin Good Friday Mine Greenhorn Greyback Herald Occurrence Herold Hershoc (Comstock; Holland & Roxburg Lodes Occurrence) Hildegarde (Oregon Occurrence) Home Run Hoosier Extension Hoosier Mine Horseshoe Comstock Holland Roxbury Hugo Mine Hugo Ranch (Hugo No. 2; Hugo Ranch Tungsten Property) Hummer Hurricane Illinois (Quay) Iron Dyke Jack and Summit Jap Jay Bird Kekionga Mine Kicker Lady Luck Occurrence (Protection; Bluebird; Exchange; Hillside; Columbine; Miser's Tunnel; Little Jack; Little Major; Rudy No. 2; Long Tunnel; Iowa) Lake Last Chance (Nancy Henderson; Forest Home; Cold Spring Veins Occurrence) Nancy Henderson Lawrence Lily Long Shot Lookout Occurrence (Pleasant Dream Annie L.; Balmoral; April Fool; Smith; Little Lester; Parker; Luckie No. 2; March Wind-Red Bird) Lost Lake Lode Occurrence Luckie 2 (Luckie 2 Tungsten; Luckie 3; Smith) Ma W Mackenzie Mammoth Manchester May Flower Occurrence (Golden Harp; Cumberland; Rocky Mtn. Mammoth; Maud S.; Anna Clara; Bull Domingo) McKenzie Tunnel (Big Six; Charley; Lonesome Polecat; Townlot Occurrence) Minnie and Ohio Occurrence Minnie Foy Mine Misers Delight Mine Misers Dream Missing Link Occurrence (Roderick; Cross No. 2; Rambler-Lower Rambler; Minnesota; Brace Tract; Tennessee; Blackhalk) Mock Shaft Occurrence (Big Six Mine) Mogul Tunnel Occurrence Niagra No. 4 Norway One and Three Quarters Oneonta Paymaster-Wheelman Tunnel Occurrence (Black Crystal; Black Prince; Mac Group; Pennsylvania) Peewink Pennsylvania Lode Occurrence Philadelphia Phillip (Phillip Extension; Lone Tree; Rake Off) Piddler Poop-Out Claims Post Boy Poupout Primos Mine Primp Quaker City; Ophir; Pennsylvania; Peewink Rambler Range View Mine Red Signe Mine Ridge Rogers No. 1; 2; 3-5; 7-11 Occurrence Roose Tunnel Occurrence Roslyn Silent Friend Silver Queen Sister Emma Spider Leg St Elmo Steele Plate Tungsten Sunday Vein Occurrence Tanner Ten Tenderfoot Terror Town Lot Trail & Diamond Claims Tungsten Group (Tungsten Claims) Tungsten King Tungsten Lode Mine Unknown Gold - Tungsten Occurrence (MRDS - 10091282) Unknown Molybdenum Occurrence (MRDS - 10017284) Unknown Molybdenum Occurrence (MRDS - 10017365) Unknown Molybdenum Occurrence (MRDS - 10018001) Unknown Tungsten Occurrence (MRDS - 10017297) Vasco No. 1 Mine Vasco No. 2 & 5 Vasco No. 6 Vasco No. 8; Barker Nos. 1; 2; 4; Bonanza; Clark Tunnel Occurrence Vasco Nos. 4; 10 (Cross No. 1) Walker Ranch Western Star White Wild Tiger Mine Wilderness (Wilderness 2 & 3 Great Northern M.S.; Great Northern 1-15 Occurrence) William E. Walker Mine Wisconsin World Mine X Ray and Sherly Boulder Creek Granite Boulder West Red Lode Claim Buckskin Joe No. 1 Bummers Creek Placers Button R Dam Carfield Caribou District Belcher Mine Boulder County Mine Caribou Hill Deposits Columbia & Spencer Mines Comstock Occurrence Eclipse Eldora Enterprise Vein Occurrence Koh-I-Noor Tunnel Occurrence Gold King Occurrence Grand Island Caribou Mine (Caribou shaft) Consolidated Silver Caribou Mines Golden Reward Occurrence Grand Island Mine Shirley Lode Idaho Mine Isabel Mine Magner Mountain Goat Native Silver Mine No Name Mine (MRDS - 10108224) Pine Shade Mine Poorman Mine (2) Potosi & Cross Mines Radium (Elmer; & Nelson Veins) Revenge Occurrence Seven-Thirty Mine Sherman Silver Dollar Silver Point Mine Terror - Roseberry Occurrence Unknown Gold - Silver Occurrence (MRDS - 10017183) Unknown Gold - Silver Occurrence (MRDS - 10017187) Unknown Silver - Lead - Zinc (MRDS - 10018120) Unknown Silver Occurrence (MRDS - 10017330) Up To Date Mine Wade Hampton Mine Wigwam Central Mining District Comstock and Pandora Fairday Mine Orion (Orion Tunnel; Orion & Saddle No. 6 Fluorspar Mine) Seneca Mines Diamond Claims Victory Lode Claim Chingis Kahn Churchs Pit Coal Creek Partridge Lode Cold Spring No. 1 Colorado Brick Colorado Miracle Columbine Mine (New Girl; Anderson) Coon Trail Creek Placers Cracker Jack Crisman Bald Mountain Unnamed prospect Crystal Mountain Mona No. 9 Claim Degge Clark Devlin's Park Lake Dolittle Dry Lake Lucky Strike (Last Nickel) E. C. Hite Mine Eagle Rock Mine East Boston Eldora Stock Eldorado Eldorado Springs quadrangle Ella C Ellen Mine Essco Forlorn Hope Mine Fourmile Creek Placers Front Range Boulder area Victor Mine G and S Gilard Gold Hill District Alamakee Alaska Group American Amzy; Great Sphinx Occurrence Andesite Rock Quarry Arapahoe Group of Claims Archer Arrowhead Atchison Mine (Atchison and Eldorado) Atlanta Atlantic (Milwaukee; Emma Daniels; Pennsylvania Group; Black Diamond Occurrence) Bat Claim No. 1 (Corona Mine) Bell Group Belle of Memphis (Blackhawk; Horseshoe; Victoria; Mountain Chief; Fairfax; Olympic; Bighorn; Silver Queen; Scotia; Gowanda) Bellvue (Belview) Big Five (Black Jack Occurrence) Black Cloud Blue Eagle Occurrence Brodies Saint Vrain Carol Gore Centennial Tunnel Occurrence (Gov. Routt; Continental; Bismark; Bluebell Shaft & Tunnel; Canton; Mammoth; Scandia) Central Gulch Placers Chivington Lode Occurrence Cobalt - Gold Mining Company (Emily; Francis B.; Acme Occ