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Hellandite-(Y), Schorl


Hellandite-(Y) : (Ca,Y)6(Al,Fe3+)Si4B4O20(OH)4, Schorl : [Na][Fe2+3][Al6][(OH)3|OH|(BO3)3|Si6O18]

Photo Copyright © Knut Eldjarn  - This image is copyrighted. Unauthorized reproduction prohibited.
Locality: Lindvikskollen quarry, Lindvikskollen-Kalstadgangen pegmatite, Kragerø, Telemark, Norway
A 1 cm crystal of Hellandite-(Y) with Schorl from the type locality at Lindvikskollen, Kragerø, Telemark, Norway. Specimen and photo: Knut Eldjarn.

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