Specimen ID: NG1-9AR

Schorl : Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
As recorded:
Cavradi gorge, Curnera Valley, Tujetsch, Vorderrhein Valley, Grisons, Switzerland
Mindat locality:

Photo added to

Prismatic crystals, curved, blacks, of schorl. Collection and photo of Gianfranco Ciccolini. Nikon D610, bellows, APO Rodagon 50 mm; f: 2.8. Focal using 5.6.
Gianfranco Ciccolini - 17th May 2016
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