| Locality type: | Quarry |
| Classification |
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| Species: | Laumontite |
| Formula: | CaAl2Si4O12 · 4H2O |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Kamphaugite-(Y) | 3 |
| Stilbite Subgroup | 3 |
| Data |
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| Mineral Data: | Click here to view Laumontite data |
| Locality Data: | Click here to view Aggregate Industries Quarry (Bayer-Mingolla Quarry; Trimount Quarry), Ashland, Middlesex County, Massachusetts, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 127137 |
| Long-form Identifier: | 1:3:127137:9 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Laumontite |
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| 28.0km (17.4 miles) | ⓘDiamond Hill Reservoir, Diamond Hill, Cumberland, Providence County, Rhode Island, USA |
| 35.0km (21.8 miles) | ⓘGranite Street Quarry (Milk Row Quarry), Somerville, Middlesex County, Massachusetts, USA |
| 38.7km (24.0 miles) | ⓘBlueberry Mountain Quarry (Blueberry Hill), Woburn, Middlesex County, Massachusetts, USA |
| 53.8km (33.5 miles) | ⓘAggregate Industries Quarry (Lynn Sand and Stone Co. Quarry; Bardon Trimount Quarry; Hume Quarry), Swampscott, Essex County, Massachusetts, USA |
| 58.4km (36.3 miles) | ⓘQuabbin Aqueduct shaft No. 10 locality, Hardwick, Worcester County, Massachusetts, USA |
| 66.4km (41.3 miles) | ⓘRoute 101/101A road cuts, Amherst, Hillsborough County, New Hampshire, USA |
| 71.5km (44.4 miles) | ⓘMonson quarries (Flynt quarries), Monson, Hampden County, Massachusetts, USA |
| 77.8km (48.3 miles) | ⓘDiamond Ledge (West Stafford quartz locality; Stafford Springs quartz locality), Stafford, Tolland County, Connecticut, USA |
| 96.8km (60.1 miles) | ⓘSullivan Quarry, Bradford, Westerly, Washington County, Rhode Island, USA |
| References |
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Aggregate Industries Quarry, Ashland, Middlesex County, Massachusetts, USA