| unspecified locality | ferberite | |
| Boulder County | ||
| Cash Mine | petzite | |
| Copper King Mine | medmontite | |
| Herald Mine | coloradoite | |
| Jamestown | cerite-(Ce), tornebohmite-(Ce) | |
| Chaffee County | ||
| Calumet Mine | uralite | |
| Upper Browns Canyon | phenakite | |
| Custer County | phosgenite | |
| Anna Lee Mine | brockite | |
| Eagle County | ||
| Gilman | ankerite, siderite | |
| El Paso County | ||
| Pike's Peak | amazonite, bastnaesite-(Ce) | |
| Saint Peter's Dome | gearksutite | |
| Fremont County | triplite | |
| Canon City | fluorite, natromontebrasite | |
| Mile Park | upalite | |
| Garfield County | ||
| Rifle | nahcolite | |
| Rifle Mine | roscoelite | |
| Gunnison County | freieslebenite, grayite | |
| Brown Derby No. 1 Mine | rynersonite | |
| Cebola Creek | cebollite | |
| Iron Hill | juanite | |
| Hinsdale County | ||
| Golden Fleece Mine | hinsdalite, stutzite | |
| Jefferson County | ||
| Centennial Cone | samarskite-(Y) | |
| Golden | thomsonite | |
| Schwartzwaelder Mine | liebigite, uraninite | |
| White Cloud Mine | synchesite-(Y) | |
| Wig-Wam Creek | zinnwaldite | |
| Lake County | ||
| Leadville | hydrohetaerolite, tunnerite | |
| La Plata County | rucklidgeite | |
| Mayday Mine | hessite | |
| Mesa County | ||
| Gateway District | coffinite | |
| Grand Junction | kolwezite, theisite | |
| Mineral County | ||
| Creed | creedite, goslarite, silver, sylvanite | |
| Montrose County | ||
| Bitter Creek Mine | pascoite | |
| Cashin Mine | domeykite | |
| Club Mine | corvusite, vanoxite | |
| Dove Creek | johannite | |
| Long Park | rusakovite | |
| Paradox Valley | bariandite, brackebuschite, delrioite, doloresite, hummerite, metadelrioite, navajoite | |
| Peanut Mine | melanovanadite, umohoite | |
| Uncompaghre Mountains | langisite | |
| Uravan | carnotite, gutsevichite, munirite, pascoite, rossite | |
| Park County | ||
| Baltic Lode | beegerite | |
| Grand Trunk | schirmerite | |
| Pitkin County | ||
| Mollne Gibson Mine | pearceite | |
| Rio Blanco County | ||
| J. L. Riland Claim | rilandite | |
| Rio Grand County | ||
| Summitville | covellite | |
| Routt County | ||
| Egeria Park | kirovite | |
| Saguache County | ianthinite | |
| San Juan County | sherwoodite | |
| Alaska Mine | alaskaite, pavonite | |
| Brobdignag Mine | guettardite, zinkenite | |
| Marcella Mine | sahlite | |
| Mike Mine | aikinite, berryite, pavonite | |
| Silverton | guitermanite, huebnerite, zunyite | |
| San Miguel County | ||
| Buckhorn Mine | rossite | |
| Cougar Mine | tangeite | |
| Deremo-Snyder Mine | fernandinite, pintadoite | |
| Slick Rock | chalconatronite, metamunirite, montroseite | |
| Sunday Mine | fernandinite | |
| Summit County | ||
| Lake Como | sidwillite | |
| Penn Mine | ilesite | |
| Sullivan Mountain | matildite | |
| Teller County | ||
| Cripple Creek | aerinite, calaverite, krennerite, melonite, sylvanite | |
| Crystal Peak | microcline | |
| Florissant | goethite | |
| Weld County | ||
| Stoneham | barite | |