Locality type: | Quarry |
Classification |
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Species: | Spessartine |
Formula: | Mn32+Al2(SiO4)3 |
Comments: | As a component in almandine, not verified as a separate species. XRF testing of 7 garnets found Mn/(Fe+Mn) ranged from 0.23 to 0.47. Black Mn oxy/hydroxide staining associated with garnets is not a reliable indicator of spessartine as many garnets from here show such staining but have tested as almandine. |
Abundance at site: | Rare |
Confirmation |
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Validity: | Erroneously Reported |
Data |
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Mineral Data: | Click here to view Spessartine data |
Locality Data: | Click here to view Nathan Hall Quarry (Clark Hill Quarry), East Hampton (Chatham), Middlesex County, Connecticut, USA |
Data Identifiers |
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Mindat Occurrence Record ID: | 654966 |
Long-form Identifier: | 1:3:654966:4 |
GUID (UUID V4): | 035c6bc4-aea6-4136-82fe-a30f77ab89c0 |
Nearest other occurrences of Spessartine |
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0.2km (0.1 miles) | ⓘState Forest Quarry No. 1 (State Forest #1 Quarry; Clark Hill Quarry), East Hampton (Chatham), Middlesex County, Connecticut, USA |
3.2km (2.0 miles) | ⓘPelton's Quarry, Portland, Middlesex County, Connecticut, USA |
4.1km (2.6 miles) | ⓘHale-Walker prospects, Collins Hill, Portland, Middlesex County, Connecticut, USA |
4.3km (2.7 miles) | ⓘStrickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA |
4.8km (3.0 miles) | ⓘCase Quarries, Portland, Middlesex County, Connecticut, USA |
5.4km (3.4 miles) | ⓘWalden Gem Quarry, Portland, Middlesex County, Connecticut, USA |
6.2km (3.8 miles) | ⓘHale Quarry (Andrews Quarry; Glastonbury Quarry), Portland, Middlesex County, Connecticut, USA |
6.5km (4.0 miles) | ⓘAndrews Quarry (old Hale Quarry; Grandfather Andrews Quarry), Portland, Middlesex County, Connecticut, USA |
6.8km (4.2 miles) | ⓘSimpson Quarry (Wiarda Quarry), South Glastonbury, Glastonbury, Hartford County, Connecticut, USA |
6.9km (4.3 miles) | ⓘHollister prospects, South Glastonbury, Glastonbury, Hartford County, Connecticut, USA |
References |
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