Bakstevalåsen, Gunhildrud, Øvre Eiker, Buskerud, Norway

A small 6 m long and 15-4o cm thick amazonite-pegmatite dyke found as a sill intruded into the Fossum formation.
Ref:
Hurum, J. H; Jahren, J.; Berg, H.-J. & Bjerkgaard, T. (1997): En eksotisk pegmatitt i kambrosiluren ved Eikeren, Buskerud. STEIN 24 (3), 125-128

Mineral List:

	Astrophyllite ?

	Biotite

	'Columbite' ?

	Danburite

	Dravite

	Fluorite

	Genthelvite

	~~Helvite~~

	Löllingite

	Microcline var: Amazonite

	Phenakite

	Quartz var: Smoky Quartz

	Zircon

13 entries listed. 8 valid minerals. 1 erroneous literature entry.

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