Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Epidote from
Hale-Walker prospects, Collins Hill, Portland, Middlesex County, Connecticut, USA


02574270017272014285538.jpg
Epidote, etc.

Hale-Walker prospects, Collins Hill, Portland, Middlesex County, Connecticut, USA
03321190017369698975774.jpg
Epidote, etc.

Hale-Walker prospects, Collins Hill, Portland, Middlesex County, Connecticut, USA
03062150017272014323209.jpg
Epidote

Hale-Walker prospects, Collins Hill, Portland, Middlesex County, Connecticut, USA
02574270017272014285538.jpg
Epidote, etc.

Hale-Walker prospects, Collins Hill, Portland, Middlesex County, Connecticut, USA
03321190017369698975774.jpg
Epidote, etc.

Hale-Walker prospects, Collins Hill, Portland, Middlesex County, Connecticut, USA
03062150017272014323209.jpg
Epidote

Hale-Walker prospects, Collins Hill, Portland, Middlesex County, Connecticut, USA
07012450017272014383320.jpg
Epidote, etc.

Hale-Walker prospects, Collins Hill, Portland, Middlesex County, Connecticut, USA
01313290017369698983139.jpg
Epidote, etc.

Hale-Walker prospects, Collins Hill, Portland, Middlesex County, Connecticut, USA
03062150017272014323209.jpg
Epidote

Hale-Walker prospects, Collins Hill, Portland, Middlesex County, Connecticut, USA
Locality type:Prospect
Classification
Species:Epidote
Formula:(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Comments:In quartz veins in the metamorphics surrounding the pegmatites.
Habit:elongated to short prisms
Colour:dark green
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Quartz2
Data
Mineral Data:Click here to view Epidote data
Locality Data:Click here to view Hale-Walker prospects, Collins Hill, Portland, Middlesex County, Connecticut, USA
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:96292
Long-form Identifier:1:3:96292:2
GUID (UUID V4):0
Nearest other occurrences of Epidote
1.6km (1.0 miles) ⓘCarr Brook Waterfall, Collins Hill, Portland, Middlesex County, Connecticut, USA
4.4km (2.8 miles) ⓘAppletree Lane, Portland, Middlesex County, Connecticut, USA
4.5km (2.8 miles) ⓘCase Quarry No. 1, Case Quarries, Portland, Middlesex County, Connecticut, USA
4.5km (2.8 miles) ⓘCase Quarries, Portland, Middlesex County, Connecticut, USA
6.6km (4.1 miles) ⓘGas pipeline excavation, South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
12.0km (7.4 miles) ⓘThulite locality, Haddam, Middlesex County, Connecticut, USA
13.0km (8.1 miles) ⓘState Route 9 and State Route 81 Interchange, Higganum, Haddam, Middlesex County, Connecticut, USA
13.3km (8.3 miles) ⓘHazen quarry (Epidote locality), Haddam, Middlesex County, Connecticut, USA
13.7km (8.5 miles) ⓘConnecticut Yankee atomic power plant, Haddam Neck, Haddam, Middlesex County, Connecticut, USA
14.3km (8.9 miles) ⓘArnold Granite Quarry (General Brainerd Quarry; Great Hill Quarry; Hazelton Quarry; Haddam Quarry; Brookes Quarry), Haddam, Middlesex County, Connecticut, USA
References
Schooner, Richard (1955) 90 Minerals from 1 Connecticut Hill. Rocks & Minerals, 30 (7-8). 351-358 doi:10.1080/00357529.1955.11767837
Januzzi, Ron E., Seaman, David M. (1976) Mineral Localities of Connecticut and Southeastern New York State and Pegmatite Minerals of the World. The Mineralogical Press, Danbury, Connecticut, USA.
 
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