..., brittle, vitreous sample ( Fig. 1 ) of an unknown metamict phase (UMP) was collected from a pegmatite at Tuften quarry situated in the Langensundfjord area of southern Norway. The pegmatite has been dated at 293.2(13) Ma ( Dahlgren et al . 1998 , Müller et al . 2017 ). The Tuften quarry is one...

.... , and in Tuften quarry, Tvedalen, South Norway, coexisting with hambergite, analcime, chiavennite, etc. The mineral forms spherulites up to 2 mm, as well as fibrous crusts. Sphaerobertrandite from Sengischorr Mountain occurs as thin tabular, prismatic crystals up to 0.5 × 0.2 × 0.05 mm in aggregates overgrowing...

... d’anneaux à cinq et à huit membres. Les liaisons entre ces plaques sont particulières à chaque structure. (Traduit par la Rédaction) Abstract Alflarsenite, ideally NaCa 2 Be 3 Si 4 O 13 (OH)·2H 2 O, is a new zeolite species from the Tuften larvikite quarry, Tvedalen, Larvik, Vestfold, south Norway...

...Gunnar Raade; Joel D. Grice; Mark A. Cooper Abstract Alflarsenite is a new beryllium-silicate zeolite with chemical composition close to NaCa 2 Be 3 Si 4 O 13 (OH)·2H 2 O. It is a late-stage hydrothermal mineral from a syenitic pegmatite in the Tuften larvikite quarry, Tvedalen, Larvik, Vestfold...

...Fig. 2. Outcrop macrophotography of: (a) Zeolite pocket containing analcime and natrolite with altered microcline (red crystals), Tuften quarry (RS VI). (b) Wöhlerite (wöh; yellow elongated mineral) assemblage near pegmatite contact to host larvikite; Mc = microcline, Mt = magnetite, Zeo...

...F ig . 2. Representative backscattered-electron images (BSEIs) of zircon from alkaline pegmatites in the Larvik Plutonic Complex. ( a ) Sample LACP7 from Tuften quarry, Tvedalen, Larvik (T-type). ( b ) Sample LACP8 from Tuften quarry, Tvedalen, Larvik (T-type). Both have oscillatory zonation...

... larvikite quarry, Tvedalen, Vestfold (59°2′21″N, 9°51′25″E). The mineral was investigated by one of the authors (AOL) in 2010 and was subsequently identified as a Fe-dominant chiavennite. Chiavennite ( senso stricto ) is rather common in the AS Granit quarry and the neighboring Tuften quarry. The latter...

... magnification, FOV 2 mm). (B) Primary brown amphibole and green clinopyroxene with a secondary rim of annite, clinopyroxene, and titanite in a T-type alkaline pegmatite from the Tuften Quarry, Tvedalen (RS 6, LACP-8; plane polarized light, ×50 magnification, FOV 4 mm). ...

... Republic of China. (7) Tuften larvikite quarry, Tvedalen, Larvik, Norway. (8) Mørje II larvikite quarry, 2 km north-northwest of Tuften quarry, Tvedalen, Larvik, Norway. Occurrence : (1) In a large, schlieren-like pegmatite in eudialyte lujavrite near the margin of poikilitic nepheline–sodalite...

..., Norway. Eur. J. Mineral., 21, 893–900. Alflarsenite is a new beryllium-silicate zeolite with chemical composition close to NaCa 2 Be 3 Si 4 O 13 (OH)• 2H 2 O. It is a late-stage hydrothermal mineral from a syenitic pegmatite in the Tuften larvikite quarry, Tvedalen, Larvik, Vestfold, south Norway...

... constituents. Found in alkaline pegmatites at Mannepakhk Mountain and Sengischorr Mountain, Lovozero alkaline complex, Kola Peninsula, Russia, and in the Tuften quarry,Tvedalen, southern Norway. Pekov, I.V. et al. ( 2003 ): Eur. J. Mineral. 15 , 157 . Named after Terry Maxwell Seward (b...

... Alflarsenite 294 Tuften quarry, Tvedalen, Larvik, Vestfold, Norway a Raade et al. (2009) Larsen (2010) Almarudite 0.4 Bellerberg volcano, Ettringen, Eifel, Rhineland-Palatinate, Germany a Mihajlović et al. (2004) Schminke (2007) Aminoffite 1000 Långban deposit, Filipstad, Värmland...