Schorl : NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
7.9cm x 5.1cm x 2.8cm
Photo added to mindat.org
“Black crystals of schorl to 2.0 cm in length are lying flat and covering matrix. Ex Steve Pullman collection.”
Dan Weinrich - 11th July 2011
Photo added to mindat.org
“Black crystals of schorl to 2.0 cm in length are lying flat and covering a 7.9 x 5.1 x 2.8 cm matrix. Ex Steve Pullman collection.”
Dan Weinrich - 11th July 2011
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