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Schorl from
Hale Quarry (Andrews Quarry; Glastonbury Quarry), Portland, Middlesex County, Connecticut, USA


Locality type:Quarry
Classification
Species:Schorl
Formula:NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Comments:tourmaline displays the inwardly expanding or flaring habit that is typical of border zone tourmalines at pegmatites throughout the world (London 1985)
Habit:tapered prismatic subhedral crystals
Colour:black
Abundance at site:Common
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Associated Minerals Based on Photo Data:
Microcline1
Albite1
Microlite Group1
Data
Mineral Data:Click here to view Schorl data
Locality Data:Click here to view Hale Quarry (Andrews Quarry; Glastonbury Quarry), Portland, Middlesex County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:662154
Long-form Identifier:1:3:662154:4
GUID (UUID V4):0
Nearest other occurrences of Schorl
0.3km (0.2 miles) ⓘAndrews Quarry (old Hale Quarry; Grandfather Andrews Quarry), Portland, Middlesex County, Connecticut, USA
0.4km (0.3 miles) ⓘGotta-Wannerstrom Quarry, Portland, Middlesex County, Connecticut, USA
0.8km (0.5 miles) ⓘBordonaro Quarry, Portland, Middlesex County, Connecticut, USA
1.1km (0.7 miles) ⓘGotta-Walden Prospect, Portland, Middlesex County, Connecticut, USA
1.2km (0.7 miles) ⓘWalden Gem Quarry, Portland, Middlesex County, Connecticut, USA
1.2km (0.7 miles) ⓘHowe Quarry (Howe #1 Quarry; Huspband Quarry), South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
1.3km (0.8 miles) ⓘSimpson Quarry (Wiarda Quarry), South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
1.5km (0.9 miles) ⓘGriswold Quarry, South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
1.5km (0.9 miles) ⓘCase Quarries, Portland, Middlesex County, Connecticut, USA
1.5km (0.9 miles) ⓘCase Quarry No. 3, Case Quarries, Portland, Middlesex County, Connecticut, USA
References
King, Van (n.d.) Personal communcation.
London (1985)
 
and/or  
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