Geologica Belgica

1374-8505 2034-1954

 

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Pierre LEFEVRE & Frédéric HATERT

OR NATIF, ARSÉNOPYRITE ET MINÉRAUX SECONDAIRES DANS LES QUARTZITES DEVILLIENS DE HOURT, MASSIF DE STAVELOT, BELGIQUE

(volume 6 (2003) — number 3-4 - The Graulich volume)
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Mots-clés : Belgium., KEYWORDS : gold, arsénopyrite, arsenate minerals, Stavelot Massif

Abstract

ABSTRACT. Gold, arsénopyrite, mimétite, pharmacosidérite, and scorodite were observed in association with other sulphide minerals in the Cambrian quartzites of Hourt, Stavelot Massif, Belgium. The identification of these minerals is confirmed by electron microprobe analyses and by X-ray powder diffraction. The unit-cell parameters of arsénopyrite were also calculated : a = 5.742(3), b = 5.700(2), c = 5.778(2) Å and ß = 112.13(5)°. Scorodite is a new arsenate mineral for Belgium, whereas the occurrence of gold associated with arsénopyrite is observed for the first time.

To cite this article

Pierre LEFEVRE & Frédéric HATERT, «OR NATIF, ARSÉNOPYRITE ET MINÉRAUX SECONDAIRES DANS LES QUARTZITES DEVILLIENS DE HOURT, MASSIF DE STAVELOT, BELGIQUE», Geologica Belgica [En ligne], volume 6 (2003), number 3-4 - The Graulich volume, 193-200 URL : http://popups.ulg.be/1374-8505/index.php?id=2181.

About: Pierre LEFEVRE

Laboratoire de Minéralogie, Université de Liège, Bâtiment B18, B-4000 Liège, Belgique

About: Frédéric HATERT

Laboratoire de Minéralogie, Université de Liège, Bâtiment B18, B-4000 Liège, Belgique