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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Goshenite from
Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA


Locality type:Quarry
Classification
Species:Beryl var: Goshenite
Formula:Be3Al2(Si6O18)
Comments:In the mineralized core zone.
Colour:white
Quality for species:Poor for species, only of interest for locality collectors. (#)
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Goshenite data
Locality Data:Click here to view Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:657263
Long-form Identifier:1:3:657263:1
GUID (UUID V4):0
Nearest other occurrences of Goshenite
7.2km (4.5 miles) ⓘWhite Rocks Quarry (Consolidated Quarry), White Rock Mining District, Middletown, Middlesex County, Connecticut, USA
7.9km (4.9 miles) ⓘBrack Gem prospect (Brack prospect), East Glastonbury, Glastonbury, Hartford County, Connecticut, USA
15.7km (9.8 miles) ⓘGillette Quarry (J-J Mine; Haddam Neck Quarry), Haddam Neck, Haddam, Middlesex County, Connecticut, USA
19.8km (12.3 miles) ⓘHewitt Gem Quarry (Herb's Gem Quarry; Sawmill Quarry), Haddam, Middlesex County, Connecticut, USA
80.4km (50.0 miles) ⓘFillow Quarry, Branchville, Redding, Fairfield County, Connecticut, USA
96.6km (60.0 miles) ⓘBarrus farm pegmatite localities, Goshen, Hampshire County, Massachusetts, USA
References
Rocks & Minerals (1970) 45:595-600
 
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