| Locality type: | Quarry |
| Classification |
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| Species: | 'Hornblende Root Name Group' (not an IMA approved species) |
| Formula: | ◻Ca2(C42+C3+)(AlSi7O22)W2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Hornblende Root Name Group data |
| Locality Data: | Click here to view Port Deposit Quarry (Port Deposit Granite Company), Cecil County, Maryland, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 860113 |
| Long-form Identifier: | 1:3:860113:1 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Hornblende Root Name Group |
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| 41.4km (25.7 miles) | ⓘGap Mine, Bart Township, Lancaster County, Pennsylvania, USA |
| 46.8km (29.1 miles) | ⓘMount Cuba serpentinite, New Castle County, Delaware, USA |
| 51.2km (31.8 miles) | ⓘWilmington Granite Company Quarries, Wilmington, New Castle County, Delaware, USA |
| 53.3km (33.1 miles) | ⓘWright Quarry, Stony Run, Baltimore City, Maryland, USA |
| 54.2km (33.7 miles) | ⓘJones Falls Quarries, Baltimore City, Maryland, USA |
| 54.8km (34.0 miles) | ⓘWoodberry Quarry, Woodberry, Baltimore City, Maryland, USA |
| 56.4km (35.0 miles) | ⓘOsborne Hill, Birmingham Township, Chester County, Pennsylvania, USA |
| 59.2km (36.8 miles) | ⓘHilton Quarry, Baltimore City, Maryland, USA |
| 62.3km (38.7 miles) | ⓘKeystone Trap Rock Quarry, Cornog, Wallace Township, Chester County, Pennsylvania, USA |
| 65.4km (40.6 miles) | ⓘLenni, Middletown Township, Delaware County, Pennsylvania, USA |
| References |
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