| Locality type: | Mountain |
| Classification |
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| Species: | Prehnite |
| Formula: | Ca2Al2Si3O10(OH)2 |
| Comments: | In pockets and in talus, associated with calcite. |
| Habit: | botryoidal aggregates |
| Colour: | shades of green |
| Quality for species: | Good crystals or rich for species - important (!) |
| Abundance at site: | Very common |
| Confirmation |
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|
| Validity: | Believed Valid |
| Data |
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|
| Mineral Data: | Click here to view Prehnite data |
| Locality Data: | Click here to view Talcott Mountain, Avon, Hartford County, Connecticut, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 773015 |
| Long-form Identifier: | 1:3:773015:3 |
| GUID (UUID V4): | 9a8b420d-4737-4084-96e9-a294a7aa7349 |
| Localities for Prehnite in this Region |
|---|
|
| State Route 44 road cut, Talcott Mountain, Avon, Hartford County, Connecticut, USA |
| Nearest other occurrences of Prehnite |
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| 5.0km (3.1 miles) | ⓘTalcott Mountain (King Phillip's Cave), Simsbury, Hartford County, Connecticut, USA |
| 7.1km (4.4 miles) | ⓘFarmington Trap Rock Quarry, Farmington, Hartford County, Connecticut, USA |
| 7.5km (4.7 miles) | ⓘState Route 4 road cut, Farmington, Hartford County, Connecticut, USA |
| 10.1km (6.3 miles) | ⓘTomasso Quarry, Farmington, Hartford County, Connecticut, USA |
| 10.2km (6.4 miles) | ⓘTrinity Ridge, Hartford, Hartford County, Connecticut, USA |
| 11.2km (7.0 miles) | ⓘBalf Quarry, Newington, Hartford County, Connecticut, USA |
| 12.8km (7.9 miles) | ⓘTariffville Gorge, Bloomfield, Hartford County, Connecticut, USA |
| 13.1km (8.1 miles) | ⓘState Route 372 construction site, Plainville, Hartford County, Connecticut, USA |
| 13.2km (8.2 miles) | ⓘJourney Road quarry, Plainville, Hartford County, Connecticut, USA |
| 13.3km (8.3 miles) | ⓘTrap Rock quarry, Plainville, Hartford County, Connecticut, USA |
| References |
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| Reference Search (possible matching items) |
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 | | Report (volume) | | GEOLOGICAL SURVEY. BULLETIN JNO.85 PL.I. oslon CONNECTICUT VALLEY AREA \\fWasfiSifftqn, f u BARBOURSVILLE.............................................. Connecticut valley area ....................................................... 72 Trap rocks of the Connecticut valley area ........................... Trap............................. Structure of the Connecticut valley area ...................................................... ........ 18 III. Map of Connecticut valley and Soufchbury areas................. |  | | Report (issue) | | Professional Paper 525. Numerous Federal, State, county, and municipal agencies listed on pages A221-A225...Interstate investigations ________________ _ 34 Rocky Mountain area ______________________ _ 35 Montana ____...Rhode Island ______________________________ _ Connecticut _______________________________ _ Adirondack...agencies ___________ --------------------_ State, county, and municipal agencies ____________ _ U.S. Geological...location of beryllium deposits mapped at Spor Mountain, Utah_______________________ 3. Index map of the |
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