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Lindvikskollen quarry, Lindvikskollen-Kalstadgangen pegmatite, Kragerø, Telemark, Norway

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Apatite-(CaF) : Ca5[F|(PO4)3]

Lindvikskollen quarry, Lindvikskollen-Kalstadgangen pegmatite, Kragerø, Telemark, Norway

Part of an apatite-(CaF) crystal in quartz.
Size of crystal: 3,5 cm x 1,2 cm
Photo & collection: Atle Michalsen
 © A. MichalsenPhoto ID: 236714    View Count: 61

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

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.
 © Knut EldjarnPhoto ID: 60007    View Count: 528

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

Lindvikskollen quarry, Lindvikskollen-Kalstadgangen pegmatite, Kragerø, Telemark, Norway

A 2,5 cm crystal of Hellandite-Y embedded in Schorl from the type locality at Lindvikskollen, Kraherø, Norway. Specimen and photo: Knut Eldjarn.
 © Knut EldjarnPhoto ID: 142771    View Count: 150

Hellandite-(Y) : (Ca,Y)6(Al,Fe3+)Si4B4O20(OH)4

Lindvikskollen quarry, Lindvikskollen-Kalstadgangen pegmatite, Kragerø, Telemark, Norway

Hellandite-(Y) in Quartz, field of view 40 mm. The specimen is in the exhibition
of the Riksmuseet in Stockholm.
 © Riksmuseet StockholmPhoto ID: 180219    View Count: 120

Hellandite-(Y) : (Ca,Y)6(Al,Fe3+)Si4B4O20(OH)4

Lindvikskollen quarry, Lindvikskollen-Kalstadgangen pegmatite, Kragerø, Telemark, Norway

Altered crystal on quartz matrix; crystal is 2cm long; collection of Rudy Bolona.
Photo ID: 146859    View Count: 114

Schorl : [Na][Fe2+3][Al6][(OH)3|OH|(BO3)3|Si6O18]

Lindvikskollen quarry, Lindvikskollen-Kalstadgangen pegmatite, Kragerø, Telemark, Norway

A 3 cm terminated crystal of Schorl from the Lindvikskollen pegmatite, Kragerø, Telemark, Norway. Specimen and photo: Knut Eldjarn.
 © Knut EldjarnPhoto ID: 145685    View Count: 97
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