| Locality type: | Quarry |
| Classification |
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| Species: | 'Pumpellyite Subgroup' (not an IMA approved species) |
| Formula: | Ca2XAl2[Si2O6(OH)][SiO4](OH)2A |
| Comments: | As late-forming micro-crystal aggregates in pockets. Thought to be julgoldite but identified as pumpellyite using Raman spectroscopy by Paul Bartholomew, U. of New Haven, 2014. |
| Habit: | isolated botryoidal or "bow-tie" radiating crystal aggregates. |
| Colour: | very dark green |
| Abundance at site: | Rare |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | Raman Spectroscopy |
| Data |
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| Mineral Data: | Click here to view Pumpellyite Subgroup data |
| Locality Data: | Click here to view Roncari Quarry, East Granby, Hartford County, Connecticut, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 916729 |
| Long-form Identifier: | 1:3:916729:2 |
| GUID (UUID V4): | b8a61128-4387-4bd9-be97-aeaff6dcf4fe |
| Nearest other occurrences of Pumpellyite Subgroup |
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| 0.9km (0.6 miles) | ⓘState Route 20 road cut, East Granby, Hartford County, Connecticut, USA |
| 24.5km (15.2 miles) | ⓘState Route 4 road cut, Farmington, Hartford County, Connecticut, USA |
| 24.7km (15.3 miles) | ⓘBalf Quarry, Newington, Hartford County, Connecticut, USA |
| 34.3km (21.3 miles) | ⓘHart's Lead Mine, Berlin, Hartford County, Connecticut, USA |
| 36.1km (22.5 miles) | ⓘMt. Tom Quarry, Mount Tom, Holyoke, Hampden County, Massachusetts, USA |
| 49.3km (30.6 miles) | ⓘCheshire Traprock Quarry, Cheshire, New Haven County, Connecticut, USA |
| 52.2km (32.4 miles) | ⓘReed's Gap Quarry (New Haven Trap Rock quarry; Tilcon Durham quarry), Durham, Middlesex County, Connecticut, USA |
| 74.3km (46.2 miles) | ⓘEast Haven, New Haven County, Connecticut, USA |
| References |
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