Heftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway

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Allanite-(Ce) : {CaCe}{Al₂Fe²⁺}[O\|OH\|SiO₄\|Si₂O₇], Albite : Na[AlSi₃O₈]
	Heftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway Allanite-(Ce) crystals on albite from an amazonite-pegmatite rich in rare earth minerals at Heftetjern, Tørdal, Telemark. Field of view: 5 mm. Specimen and photo: Knut Eldjarn.
© Knut Eldjarn	Photo ID: 52358 View Count: 401
Bazzite : Be₃Sc₂Si₆O₁₈
	Heftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway A terminated, prismatic 4x5 mm crystal of bazzite with no matrix. The specimen (3763) is in the micromount collection of OT. Ljostad.
© OT. Ljostad	Photo ID: 22566 View Count: 1040
Bazzite : Be₃Sc₂Si₆O₁₈, Beryl : Be₃Al₂Si₆O₁₈, Quartz : SiO₂
	Heftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway A light blue crystal of bazzite epitactic (?) on a grey beryl crystal. The matrix is quartz. Field of view about 10 mm. The specimen (2245) is in the micromount collection of OT. Ljostad.
© OT. Ljostad	Photo ID: 22567 View Count: 567
Bazzite : Be₃Sc₂Si₆O₁₈
	Heftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway Bazzite crystals, the largest 1,5 cm ! in Quarz from the Heftetjern pegmatite, Tørdal, Telemark, Norway. Specimen and photo: Knut Eldjarn.
© Knute Eldjarn	Photo ID: 55377 View Count: 447
Bazzite : Be₃Sc₂Si₆O₁₈
	Heftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway Bazzite crystals to 3 mm in Quarz from the Heftetjern pegmatite, Tørdal, telemark, Norway. Specimen and photo: Knut Eldjarn.
© Knut Eldjarn	Photo ID: 55378 View Count: 410
Bazzite : Be₃Sc₂Si₆O₁₈
	Heftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway dimension area mm. 8 x 8 photo and collection Luigi Chiappino
© luigi chiappino	Photo ID: 230061 View Count: 29
Cascandite : Ca(Sc,Fe³⁺)[HSi₃O₉], Scandiobabingtonite : Ca₂(Fe²⁺,Mn)ScSi₅O₁₄(OH)
	Heftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway Cascandite intergrown with Scandiobabingtonite in greyish green crystals to 3 mm from Heftetjern, Tørdal, Telemark, Norway. Specimen and photo: Knut Eldjarn.
© Knut Eldjarn	Photo ID: 55051 View Count: 696
Heftetjernite : ScTaO₄
	Heftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway Heftetjernite, a transparent tabular broken crystal of very dark brown colour on surface of an altered, nearly X-ray amorphous polycrase(?)-like mineral. Total height of picture ca. 1 mm. Part of the HOLOTYPE specimen (Dept. Geology, Natural History museum, University of Oslo, No.41726; original designation RK99/04). Type locality: Heftetjern, ...
© Roy Kristiansen	Photo ID: 232189 View Count: 143
Heftetjernite : ScTaO₄
	Heftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway Heftetjernite, an almost complete crystal, ca 0.17 mm in biotite matrix. Scanning electron micrograph. Type locality: Heftetjern, Tørdal, Telemark, Norway. Photo: Harald Folvik, Dept.Geology, Natural History museum, University of Oslo, Norway.
© Roy Kristiansen	Photo ID: 232188 View Count: 86
Kamphaugite-(Y) : Ca(Y,REE)[OH\|(CO₃)₂] · H₂O
	Heftetjern pegmatite, Tørdal, Drangedal, Telemark, Norway Small white crystals of kamphaugite-(Y). Picture size 3 mm. Photographer and collection Thomas Witzke.
© Thomas Witzke	Photo ID: 8312 View Count: 742