| Locality | Mineral(s) |
|---|
| Errachidia Province, DrΓ’a-Tafilalet Region, Morocco | β Andradite |
| Anthophyllite Location, Bare Hills, Baltimore County, Maryland, USA | β Anthophyllite, β Chlorite Group, β Magnetite, β Talc |
| Bare Hills Serpentine Quarry East, Bare Hills, Baltimore County, Maryland, USA | β Magnetite |
| Unnamed Chalcedony occurrence [1], Holbrook, Baltimore County, Maryland, USA | β Chalcedony, β Goethite, β Quartz |
| Hollofield Gabbro Quarries, Hollofield, Baltimore County, Maryland, USA | β Garnet Group, β Microcline, β Muscovite, β Quartz |
| Ballard Green Quartz Occurrence, Owings Mills, Baltimore County, Maryland, USA | β Amethyst, β Feldspar Group, β Goethite, β Hematite, β Mica Group, β Milky Quartz, β Pyrite, β Quartz, β Rock Crystal, β Sceptre Quartz, β Smoky Quartz |
| Unnamed Chromite prospect 13 [of Pearre & Heyl], Owings Mills, Baltimore County, Maryland, USA | β Chromite, β Chromium-bearing Clinochlore, β Clinochlore, β Magnesite, β Quartz, β Serpentine Subgroup |
| Staurolite locality, Rockland, Baltimore County, Maryland, USA | β Feldspar Group, β Garnet Group, β Magnetite, β Muscovite, β Quartz, β Staurolite |
| Beasman prospect, Eldersburg, Carroll County, Maryland, USA | β Epidote |
| Monroe prospect, Eldersburg, Carroll County, Maryland, USA | β Amphibole Supergroup, β Chlorite Group, β Epidote, β Feldspar Group |
| Patapsco Mine (Finksburg Mine; Orchard Mine), Patapsco Mines, Finksburg, Carroll County, Maryland, USA | β Epidote |
| Devries Quarry No. 1, Henryton, Carroll County, Maryland, USA | β Albite, β Feldspar Group, β Muscovite, β Quartz, β Schorl |
| Mineral Hill Mine, Louisville, Carroll County, Maryland, USA | β Amphibole Supergroup, β Chrysocolla, β Goethite, β Heulandite Subgroup, β Stilbite Subgroup |
| Marriottsville Talc Quarries, Carroll County, Maryland, USA | β Actinolite, β Chlorite Group, β Garnet Group, β Magnetite, β Pyrite, β Quartz, β Talc |
| Oursler Talc Quarries, Carroll County, Maryland, USA | β Actinolite, β Chlorite Group, β Pyrite, β Quartz, β Talc |
| Bornite pit, Springfield Mine (Mr. Tysons Mine; Sykesville Mine), Sykesville, Carroll County, Maryland, USA | β Bornite, β Magnetite, β Malachite, β Quartz, β Talc |
| Churchville Quarry (Davis Quarry Company Inc.), Harford County, Maryland, USA | β Calcite, β Chabazite, β Chalcopyrite, β Diopside, β Epidote, β Laumontite, β Pyrite, β Stilbite Subgroup |
| Rock Island Road roadcut, Gouverneur, St. Lawrence County, New York, USA | β Calcite |
| Culp Ridge, Glatfelter Farm, Hamiltonban Township, Adams County, Pennsylvania, USA | β Piemontite, β Quartz |
| White Barrens, Elk Township, Chester County, Pennsylvania, USA | β Amphibole Supergroup, β Anthophyllite, β Chalcedony, β Chromite, β Chromium-bearing Clinochlore, β Clinochlore, β Quartz, β Serpentine Subgroup, β Talc |
| Feldspar Quarry, Mineral Hill, Elwyn, Middletown Township, Delaware County, Pennsylvania, USA | β Quartz |
| Red Pit Mine, Fulton Township, Lancaster County, Pennsylvania, USA | β Chromium-bearing Clinochlore, β Clinochlore |
These are possibly similar items as determined by title/reference text matching only.
