Pumpellyite-(Al), a new mineral from Bertrix, Belgian Ardennes
peer reviewed ; Pumpellyite-(Al), ideally Ca-2(Al,Fe2+,Mg)Al-2(SiO4)(Si2O7)(OH,O)(2)center dot H2O, is a newly approved mineral species from Bertrix, Ardennes mountains, Belgium. It occurs as radiating fibrous aggregates reaching 5 mm in diameter, constituted by acicular crystals associated with calcite, K-feldspar and chlorite. Pumpellyite-(Al) is transparent to translucent and exhibits an emerald-green to white colour, sometimes with bluish tinges. The lustre is vitreous and the streak is colourless. The mineral is non-fluorescent, brittle, and shows a perfect
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Dokumenttyp: | journal article |
Erscheinungsdatum: | 2007 |
Verlag/Hrsg.: |
E Schweizerbartsche Verlags
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Schlagwörter: | pumpellyite-(Al) / new mineral / crystal structure / infrared spectrum / Bertrix / Belgium / Physical / chemical / mathematical & earth Sciences / Earth sciences & physical geography / Physique / chimie / mathématiques & sciences de la terre / Sciences de la terre & géographie physique |
Sprache: | Englisch |
Permalink: | https://search.fid-benelux.de/Record/base-26927517 |
Datenquelle: | BASE; Originalkatalog |
Powered By: | BASE |
Link(s) : | https://orbi.uliege.be/handle/2268/7851 |