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Schorl from
Rollstone Hill Quarries, Fitchburg, Worcester Co., Massachusetts, USA

Locality type:Quarry
Classification
Species:Schorl
Formula:Na(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Habit:Crystals to 10 cm long. (Hitchen, 1935)
Colour:black
Luminescent properties:none
Quality for species:Excellent - world class for species or very significant. (!!)
Abundance at site:Very common
Confirmation
Validity:Believed Valid
References
References:Rocks & Min.: 13:245.
Associated Minerals:
Associates:Almandine
Microcline
Muscovite
Quartz
Associated Minerals Based on Photo Data:
Almandine1 photo of Schorl associated with Almandine at this locality.
Quartz1 photo of Schorl associated with Quartz at this locality.
Heliodor1 photo of Schorl associated with Heliodor at this locality.
Data
Mineral Data:Click here to view Schorl data
Locality Data:Click here to view Rollstone Hill Quarries, Fitchburg, Worcester Co., Massachusetts, USA
Photo GalleryView Gallery (9 photos)
Nearest other occurrences of Schorl
8.4km (5.2 miles) Long Hill, Leominster, Worcester Co., Massachusetts, USA
22.6km (14.1 miles) Quabbin Aqueduct Shaft #4 locality, Rutland, Worcester Co., Massachusetts, USA
23.1km (14.3 miles) Bolton, Worcester Co., Massachusetts, USA
29.9km (18.6 miles) Interstate 290/Interstate 495 interchange road cuts, Marlborough, Middlesex Co., Massachusetts, USA
30.1km (18.7 miles) Reynolds Mine (Beryl Hill Mine), Royalston, Worcester Co., Massachusetts, USA
31.4km (19.5 miles) Paxton, Worcester Co., Massachusetts, USA
31.5km (19.5 miles) Jaffrey, Cheshire Co., New Hampshire, USA
34.5km (21.5 miles) Tatnuck Hill quarry, Worcester, Worcester Co., Massachusetts, USA
36.7km (22.8 miles) Lyndeborough, Hillsborough Co., New Hampshire, USA
39.1km (24.3 miles) New Braintree, Worcester Co., Massachusetts, USA
 
Mineral and/or Locality  
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