| Locality type: | Neighborhood |
| Classification |
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| Species: | Anorthite |
| Formula: | Ca(Al2Si2O8) |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Anorthite data |
| Locality Data: | Click here to view Porter Square, Cambridge, Middlesex County, Massachusetts, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1005552 |
| Long-form Identifier: | 1:3:1005552:2 |
| GUID (UUID V4): | da7c4e71-dc5f-4971-94d5-1e2149d74616 |
| Nearest other occurrences of Anorthite |
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| 50.9km (31.6 miles) | ⓘIron Mine Hill quarry, Cumberland, Providence County, Rhode Island, USA |
| 80.7km (50.2 miles) | ⓘNational Refuge borehole (NR1), Great Bay National Wildlife Refuge, Newington, Rockingham County, New Hampshire, USA |
| 81.7km (50.7 miles) | ⓘMount Pawtuckaway, Nottingham, Rockingham County, New Hampshire, USA |
| 96.5km (60.0 miles) | ⓘCape Neddick, York, York County, Maine, USA |
| References |
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