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Schorl

#PD56386
Schorl from Gunheath China Clay Pit, St. Austell, Cornwall, England - PD56386
Schorl from Gunheath China Clay Pit, St. Austell, Cornwall, England - PD56386

Schorl

#PD56386
Availability
Available
Price
$30.00
Size
6 x 4 x 2 cm - Sm Cabinet 
Reduced Price
$10.00
Formula
NaFe2+3Al6(BO3)3Si6O18(OH)4 (RRUFF)
Locality
Gunheath China Clay Pit, St. Austell, Cornwall, England

This is just a locality specimen with crystals of Schorl to 2cm.

Schorl

Formula
NaFe2+3Al6(BO3)3Si6O18(OH)4 
Crystal System
Trigonal 
Crystal Habit
Acicular, Prismatic, Striated 
Cleavage
Indistinct, None, None 
Luster
Vitreous (Glassy) 
Color
black, brownish black, greenish black, bluish black 
Streak
brown 
Class
Trigonal - Ditrigonal Pyramidal 
Fracture
Brittle - Conchoidal 
Hardness
7.5 

Data courtesy of Webmineral.

Collection
Don Phillips Collection
Mineralpedia
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On Dakota Matrix
Previously Sold Schorl
On Dakota Matrix
Other Available Schorl
WebMineral
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