| Locality type: | Quarry |
| Classification |
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| Species: | Actinolite |
| Formula: | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Actinolite data |
| Locality Data: | Click here to view Maryland Green Marble Corporation Quarry (Cardiff Serpentine Quarry), Cardiff, Harford County, Maryland, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 850825 |
| Long-form Identifier: | 1:3:850825:6 |
| GUID (UUID V4): | e8cc0253-164e-4e09-b001-cebbe9c07edf |
| Nearest other occurrences of Actinolite |
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| 12.9km (8.0 miles) | ⓘWiant's Quarry (Weiant Quarry), Pilot, Cecil County, Maryland, USA |
| 26.7km (16.6 miles) | ⓘSylmar, West Nottingham Township, Chester County, Pennsylvania, USA |
| 34.4km (21.4 miles) | ⓘGap Mine, Bart Township, Lancaster County, Pennsylvania, USA |
| 46.5km (28.9 miles) | ⓘDiscovery workings (Main workings), Bare Hills, Baltimore County, Maryland, USA |
| 47.2km (29.3 miles) | ⓘBare Hills Copper Mine (Smith Avenue Copper Mine), Bare Hills, Baltimore County, Maryland, USA |
| 50.8km (31.6 miles) | ⓘIron Hill Mine (Chestnut Hill Mine), Newark, New Castle County, Delaware, USA |
| 52.7km (32.8 miles) | ⓘPatapsco Mine (Finksburg Mine; Orchard Mine), Patapsco Mines, Finksburg, Carroll County, Maryland, USA |
| 58.8km (36.5 miles) | ⓘPatapsco Glen Construction Site, Woodlawn, Baltimore County, Maryland, USA |
| 58.9km (36.6 miles) | ⓘBok Asbestos Mine, Hollofield, Baltimore County, Maryland, USA |
| 59.7km (37.1 miles) | ⓘMineral Hill Mine, Louisville, Carroll County, Maryland, USA |
| References |
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