| Locality | Mineral(s) |
|---|
| Boulder Creek Mine (Burke Mine), Cle Elum Mining District, Washington, USA | β Chromite, β Serpentine Subgroup |
| Key East Mine, Belcher Mining District, Ferry County, Washington, USA | β Chlorite Group, β Muscovite, β Sericite |
| Lancaster Mine, Curlew Mining District, Ferry County, Washington, USA | β Chalcopyrite, β Galena, β Pyrite, β Quartz, β Sphalerite |
| Lone Star and Washington Mine, Danville Mining District, Ferry County, Washington, USA | β Calcite, β Chalcocite, β Chalcopyrite, β Chlorite Group, β Clinozoisite, β Dolomite, β Epidote, β Gold, β Malachite, β Muscovite, β Pyrite, β Pyrrhotite, β Quartz, β Sericite, β Serpentine Subgroup, β Talc |
| Morning Star Mine, Danville Mining District, Ferry County, Washington, USA | β Chalcopyrite |
| Addison Mine, San Poil Mining District (Keller Mining District), Ferry County, Washington, USA | β Chalcocite, β Chalcopyrite, β Pyrite, β Sphalerite |
| Talisman Mine, Ferry County, Washington, USA | β Galena, β Garnet Group, β Magnetite, β Pyrite, β Sphalerite |
| Damon and Pythias Mine, Money Creek Mining District, King County, Washington, USA | β Chalcopyrite, β Galena, β Sphalerite, β Tetrahedrite Subgroup, β Tourmaline |
| Dolphin Mine, Cle Elum River, Cle Elum Mining District, Kittitas County, Washington, USA | β Chalcopyrite, β Pyrite, β Quartz, β Serpentine Subgroup |
| Huckleberry Mine, Cle Elum River, Cle Elum Mining District, Kittitas County, Washington, USA | β Chalcopyrite, β Quartz |
| Mineral Creek Mine (Durrwachter Mine; Liberty Lode Mine), Mineral Creek, Kittitas County, Washington, USA | β Bornite, β Chalcopyrite, β Molybdenite, β Pyrite, β Pyrrhotite, β Quartz |
| Eagle Peak Mine, Eagle Peak, Mt Rainier Mining District, Lewis County, Washington, USA | β Molybdenite, β Pyrite, β Sphalerite |
| Black and White Mine, North Fork of the Skokomish River Area, Mason County, Washington, USA | β Azurite, β Calcite, β Chalcocite, β Jasper, β Manganese-bearing Calcite, β Neotocite, β Quartz |
| Copper Glance Mine, Chewuch Mining District, Okanogan County, Washington, USA | β Baryte, β Calcite, β Chalcocite, β Gold, β Hematite, β Quartz, β Tetrahedrite Subgroup |
| Blue Lake Mine, Conconully Mining District, Okanogan County, Washington, USA | β Chalcopyrite, β Gold, β Quartz |
| Johnson Creek Mine, Conconully Mining District, Okanogan County, Washington, USA | β Antigorite, β Diopside, β Garnet Group, β Magnesite, β Serpentine Subgroup, β Talc |
| Lucky Knock Mine, Okanogan County, Washington, USA | β Calcite, β Quartz |
| Montana Mine, Mazama Mining District, Okanogan County, Washington, USA | β Arsenopyrite, β Calcite, β Chalcopyrite, β Pyrite, β Pyrrhotite, β Quartz |
| Antimony Queen Mine, Gold Creek, Methow Mining District, Okanogan County, Washington, USA | β Arsenopyrite, β Calcite, β Chalcopyrite, β Galena, β Jamesonite, β Pyrite, β Pyrrhotite, β Scheelite, β Sphalerite, β Stibnite |
| Western Star Mine, Buckhorn Mountain, Myer Creek Mining District, Okanogan County, Washington, USA | β Chalcopyrite, β Epidote, β Garnet Group, β Magnetite, β Malachite, β Pyrite |
| Yakima Mine, Myer Creek Mining District, Okanogan County, Washington, USA | β Chalcopyrite, β Galena, β Pyrite, β Sphalerite |
| 49th Parallel Mine, Oroville Mining District, Okanogan County, Washington, USA | β Bornite, β Chalcopyrite, β Pyrite, β Quartz, β Scheelite |
| Golden Chariot Mine, Oroville Mining District, Okanogan County, Washington, USA | β Chalcopyrite, β Molybdenite, β Pyrite, β Quartz |
| Kelsey Prospect, Oroville Mining District, Okanogan County, Washington, USA | β Actinolite, β Azurite, β Biotite, β Calcite, β Chalcopyrite, β Chlorite Group, β Chrysocolla, β Epidote, β Garnet Group, β Magnetite, β Malachite, β Molybdenite, β Muscovite, β Pyrite, β Pyrrhotite, β Quartz, β Sericite |
| OK Copper Mine, Oroville Mining District, Okanogan County, Washington, USA | β Bornite, β Chalcopyrite, β Molybdenite, β Pyrite, β Quartz, β Scheelite, β Serpentine Subgroup, β Tetrahedrite Subgroup |
| Copper World Extension Mine, Palmer Mountain Mining District, Okanogan County, Washington, USA | β Arsenopyrite, β Augite, β Azurite, β Bornite, β Calcite, β Chalcopyrite, β Chlorite Group, β Epidote, β Gold, β Magnetite, β Malachite, β Marcasite, β Pyrite, β Pyrrhotite, β Quartz, β Sphalerite |
| Security Mine, Palmer Mountain Mining District, Okanogan County, Washington, USA | β Chalcopyrite, β Galena, β Gold, β Pyrite, β Quartz, β Sphalerite |
| Calispell Mine, Newport Mining District, Pend Oreille County, Washington, USA | β Chalcopyrite, β Quartz |
| Ready Cash Mine, Cypress Island, Skagit County, Washington, USA | β Chromium-bearing Limonite, Hornblende, β Limonite, β Serpentine Subgroup |
| Stephens Mine, Fidalgo Island, Skagit County, Washington, USA | β Chalcopyrite, β Pyrite, β Serpentine Subgroup |
| Sweden Mine (Coe Mine; St Helens Mine), Spirit Lake, Skamania County, Washington, USA | β Chalcopyrite, β Galena, β Pyrite, β Pyrrhotite, β Quartz, β Sphalerite, β Talc |
| F. H. and C. Mine, Orient Mining District, Stevens County, Washington, USA | β Quartz |
| Galena Hill Mine, Orient Mining District, Stevens County, Washington, USA | β Calcite, β Chalcopyrite, β Dolomite, β Galena, β Pyrite, β Quartz, β Sphalerite |
| Wells Fargo Mine, Springdale Mining District, Stevens County, Washington, USA | β Quartz, β Siderite, β Stibiconite |
| Washington Metals Mine, Stevens County, Washington, USA | β Molybdenite, β Orthoclase, β Tourmaline, β Wolframite Group |
| Danny Mine, Sisters Mining District, Whatcom County, Washington, USA | β Anthophyllite, β Chromite, β Clinozoisite, β Fayalite-Forsterite Series, β Magnetite, β Serpentine Subgroup |
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