| Locality | Mineral(s) |
|---|
| Mineral Hill Mine, Louisville, Carroll County, Maryland, USA | β Bornite, β Brochantite, β Calcite, β Carrollite, β Chalcocite, β Chlorite Group, β Covellite, Hornblende, β Ilmenite, β Limonite, β Malachite, β Native Gold, β Plagioclase, β Pseudomalachite, β Quartz, β Siderite, β Siegenite, β Sphalerite |
| Springfield Mine (Mr. Tysons Mine; Sykesville Mine), Sykesville, Carroll County, Maryland, USA | β Actinolite, β Arfvedsonite, β Azurite, β Calcite, β Chalcanthite, β Chalcocite, β Chlorite Group, β Chrysocolla, β Covellite, β Epidote, β Goethite, β Idaite, β Limonite, β Malachite, β Riebeckite, β Siderite, β Talc |
| Farmers Cooperative Limestone Quarry, New London, Frederick County, Maryland, USA | β Baryte, β Calcite, β Chalcopyrite, β Chlorite Group, β Cuprite, β Galena, β Hematite, β Hemimorphite, β Limonite, β Malachite, β Manganese-bearing Calcite, β Native Gold, β Quartz, β Rosasite, β Smithsonite, β Specularite, β Sphalerite |
| Point of Rocks bank, Frederick County, Maryland, USA | β Goethite |
| Unnamed Quarry, Atholton, Howard County, Maryland, USA | β Amethyst, β Apatite, β Epidote, β Quartz, β Spessartine, β Zircon |
| Brighton Dam Road Quarry (Howard-Montgomery Quarry), Howard County, Maryland, USA | β Mackinawite, β Malachite, β Muscovite, β Phlogopite, β Scapolite, β Talc, β Tremolite |
| Frost Quarry, Davis, Howard County, Maryland, USA | β Albite, β Beryl, β Biotite, β Garnet Group, β Limonite, β Muscovite, β Quartz |
| Ben Murphy Mica Mine, Scaggsville, Howard County, Maryland, USA | β Albite, β Apatite, β Autunite, β Beryl, β Columbite-(Fe)-Columbite-(Mn) Series, β Gahnite, β Hematite, β Limonite, β Microcline, β Muscovite, β Quartz, β Schorl, β Sericite, β Spessartine, β Tantalite |
These are possibly similar items as determined by title/reference text matching only.
