| Locality type: | Occurrence |
| Classification |
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| Species: | Dumortierite |
| Formula: | Al(Al2O)(Al2O)2(SiO4)3(BO3) |
| Comments: | A few concentrations of tiny acicular crystals in one specimen of coarse-grained albite/quartz/biotite gneiss matrix. |
| Habit: | acicular |
| Colour: | bright blue |
| Quality for species: | Poor for species, only of interest for locality collectors. (#) |
| Abundance at site: | Extremely Rare |
| Confirmation |
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|
| Validity: | Unconfirmed/Questioned |
| Associated Minerals Based on Photo Data: |
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| Quartz | ⓘ3 photos of Dumortierite associated with Quartz at this locality. |
| Data |
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| Mineral Data: | Click here to view Dumortierite data |
| Locality Data: | Click here to view North Street mall, Danbury, Fairfield County, Connecticut, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 952466 |
| Long-form Identifier: | 1:3:952466:8 |
| GUID (UUID V4): | f1e3e64b-99d2-4e8e-9e5c-6fe7fc8b0d53 |
| Nearest other occurrences of Dumortierite |
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| 46.0km (28.6 miles) | ⓘValhalla, Mount Pleasant, Westchester County, New York, USA |
| 75.1km (46.6 miles) | ⓘ171st Street & Broadway, Manhattan (New York County), New York City, New York, USA |
| 75.1km (46.6 miles) | ⓘFort Washington Avenue & 171st Street, Washington Heights, Manhattan (New York County), New York City, New York, USA |
| References |
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North Street mall, Danbury, Fairfield County, Connecticut, USA