| Classification |
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| Species: | Staurolite |
| Formula: | Fe22+Al9Si4O23(OH) |
| Comments: | Prismatic crystals can reach several cm, associated with almandine in fine-grained schist. |
| Habit: | Elongated prismatic, rarely twinned |
| Colour: | dark brown |
| Quality for species: | Good crystals or rich for species - important (!) |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Almandine | ⓘ9 photos of Staurolite associated with Almandine at this locality. |
| Data |
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| Mineral Data: | Click here to view Staurolite data |
| Locality Data: | Click here to view Diamond Lake locality, Glastonbury, Hartford County, Connecticut, USA |
| Photo Gallery | View Gallery (8 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 322173 |
| Long-form Identifier: | 1:3:322173:0 |
| GUID (UUID V4): | f77c9eab-dc58-4b79-8f21-e38f5b01f372 |
| Nearest other occurrences of Staurolite |
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| 4.1km (2.6 miles) | ⓘState Route 2 roadcut, Marlborough, Hartford County, Connecticut, USA |
| 4.1km (2.6 miles) | ⓘBirch Mountain Road, Glastonbury, Hartford County, Connecticut, USA |
| 4.5km (2.8 miles) | ⓘBrack Gem prospect (Brack prospect), East Glastonbury, Glastonbury, Hartford County, Connecticut, USA |
| 11.4km (7.1 miles) | ⓘNathan Hall Quarry (Clark Hill Quarry), East Hampton (Chatham), Middlesex County, Connecticut, USA |
| 11.7km (7.3 miles) | ⓘBolton Notch, Bolton, Tolland County, Connecticut, USA |
| 12.4km (7.7 miles) | ⓘLinkpot cut, Airline Railroad, East Hampton (Chatham), Middlesex County, Connecticut, USA |
| 13.4km (8.3 miles) | ⓘGreat Hill cobalt mines, Cobalt, East Hampton (Chatham), Middlesex County, Connecticut, USA |
| 13.9km (8.6 miles) | ⓘStrickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA |
| 14.1km (8.8 miles) | ⓘLyman Viaduct at Dickinson Creek, Westchester, Colchester, New London County, Connecticut, USA |
| 14.2km (8.9 miles) | ⓘUnnamed building stone quarry, Collins Hill, Portland, Middlesex County, Connecticut, USA |
| References |
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| Reference Search (possible matching items) |
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 | | Journal (article/letter/editorial) | | east you hit Ash Creek, and Red Creek—all this locality produces Agates in gem grades. Just lately these...there is another thing to bear in mind::: the Diamond Back Rattler. Never forget him, for a minute. Be...advisable, I believe, also. Ask locally, regarding any locality you plan to enter, about roads, and water....and...has been found only in Searles Lake, California. Searles Lake, a dry lake about 175 miles northeast of...it was first noticed in drill cores from Searles Lake. Dr. Switzer, of Smithsonian, was furnished with |
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Diamond Lake locality, Glastonbury, Hartford County, Connecticut, USA