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Almandine from
Great Hill cobalt mines, Cobalt, East Hampton (Chatham), Middlesex County, Connecticut, USA


Locality type:Mine
Classification
Species:Almandine
Formula:Fe32+Al2(SiO4)3
Comments:Component of Shepard and Robert's Lodes, garnets in these layers have a compositions about midway between almandine and grossular, with also a spessartine component.
Habit:subhedral grains
Colour:pale rose
Quality for species:Rock forming mineral/non-crystalline/little interest for collectors.(##)
Abundance at site:Common
Confirmation
Validity:Confirmed
Confirmation Methods:Ion Microprobe
Associated Minerals Based on Photo Data:
Staurolite1 photo of Almandine associated with Staurolite at this locality.
Data
Mineral Data:Click here to view Almandine data
Locality Data:Click here to view Great Hill cobalt mines, Cobalt, East Hampton (Chatham), Middlesex County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:102048
Long-form Identifier:1:3:102048:9
GUID (UUID V4):f1710577-23a7-4f76-b466-fda763891388
Nearest other occurrences of Almandine
0.5km (0.3 miles) State Forest Quarry No. 2 (State Forest #2 Mica Mine; Carini Quarry), Cobalt, East Hampton (Chatham), Middlesex County, Connecticut, USA
1.7km (1.1 miles) Clark Hill prospect, East Hampton (Chatham), Middlesex County, Connecticut, USA
2.0km (1.2 miles) Nathan Hall Quarry (Clark Hill Quarry), East Hampton (Chatham), Middlesex County, Connecticut, USA
2.1km (1.3 miles) State Forest Quarry No. 1 (State Forest #1 Quarry; Clark Hill Quarry), East Hampton (Chatham), Middlesex County, Connecticut, USA
2.8km (1.8 miles) Garnet prospect, Middle Haddam, East Hampton (Chatham), Middlesex County, Connecticut, USA
3.3km (2.0 miles) Hale-Walker prospects, Collins Hill, Portland, Middlesex County, Connecticut, USA
3.4km (2.1 miles) Pelton's Quarry, Portland, Middlesex County, Connecticut, USA
3.5km (2.2 miles) Unnamed stone quarries, Hog Hill, East Hampton (Chatham), Middlesex County, Connecticut, USA
3.8km (2.4 miles) Strickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA
3.9km (2.4 miles) Markham Mica Quarry, Hog Hill, East Hampton (Chatham), Middlesex County, Connecticut, USA
References
 
Mineral and/or Locality  
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