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⇱ Grossular from Hazen quarry (Epidote locality), Haddam, Middlesex County, Connecticut, USA

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Grossular from
Hazen quarry (Epidote locality), Haddam, Middlesex County, Connecticut, USA

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Locality type:Quarry
Classification
Species:Grossular
Formula:Ca3Al2(SiO4)3
Comments:Good crystals to several cm.
Habit:dodecahedral
Colour:reddish-brown, orange-brown
Quality for species:Good crystals or rich for species - important (!)
Abundance at site:Common
Confirmation
Validity:Confirmed
Confirmation Methods:Raman Spectroscopy
Associated Minerals Based on Photo Data:
Epidote2
Vesuvianite1
Diopside1
Quartz1
Data
Mineral Data:Click here to view Grossular data
Locality Data:Click here to view Hazen quarry (Epidote locality), Haddam, Middlesex County, Connecticut, USA
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:657077
Long-form Identifier:1:3:657077:4
GUID (UUID V4):0
Nearest other occurrences of Grossular
2.1km (1.3 miles) ⓘGillette Quarry (J-J Mine; Haddam Neck Quarry), Haddam Neck, Haddam, Middlesex County, Connecticut, USA
4.5km (2.8 miles) ⓘAnderson No. 1 Mica Mine, East Hampton, Middlesex County, Connecticut, USA
6.0km (3.7 miles) ⓘWorth and Selden Quarries (Victoria Quarry), East Hampton, Middlesex County, Connecticut, USA
7.6km (4.7 miles) ⓘSlocum prospect, East Hampton, Middlesex County, Connecticut, USA
10.4km (6.5 miles) ⓘWhite Rock Mining District, Middletown, Middlesex County, Connecticut, USA
10.8km (6.7 miles) ⓘWhite Rocks Quarry (Consolidated Quarry), White Rock Mining District, Middletown, Middlesex County, Connecticut, USA
11.5km (7.2 miles) ⓘGreat Hill cobalt mines, Cobalt, East Hampton, Middlesex County, Connecticut, USA
14.1km (8.8 miles) ⓘStrickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA
14.2km (8.8 miles) ⓘSchoonmaker Mine, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA
14.9km (9.2 miles) ⓘCarr Brook Waterfall, Collins Hill, Portland, Middlesex County, Connecticut, USA
References
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To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
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