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Höllgraben (Imlau), Pfarrwerfen, Werfen, Salzburg, Austria
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Höllgraben, Pfarrwerfen, Werfen, Salzburg, Austria

Photo: Peter Haas
Name(s) in local language(s): Höllgraben (Imlau), Pfarrwerfen, Werfen, Salzburg, Österreich
A small southwestern branch of the Salzach valley, located just west of Pfarrwerfen. Along the valley, the stream cuts through numerous mineralized veins disseminating greenschists of the Werfen series (so-called Werfen schists). There are four types of veins, exhibiting different mineralizations:

QUARTZ VEINS: Mainly massive quartz, with some crystallized chalcopyrite, breunnerite, barite and lazulite
QUARTZ-BREUNNERITE VEINS: Eutectic mixture of quartz and breunnerite, rarely accompanied by small, poorly formed lazulite crystals. Only the wider veins contain vugs with well crystallized minerals. Wagnerite is rare in this association.
BREUNNERITE VEINS: Mainly massive breunnerite. Vugs in the middle of the veins contain well crystallized specimens. Lazulite is rare, but wagnerite occurs abundantly, the crystals reaching up to 20 cm in length.
BREUNNERITE-GYPSUM VEINS: These veins mainly consist of finely grained, massive gypsum, associated with crystallized anhydrite and aragonite. Breunnerite is present near the contact to the schists. Phosphates do not occur in this association.

In the upper valley, the schists are contacting limestones and dolomites of the Gutenstein formation. In vugs near this contact, large, well formed crystals of gypsum, chalcopyrite and mesitine spar occur. Mineralized clefts in the carbonatites themselves contain fluorite, crystallized carbonates and, rarely, rutile.

Mineral List

Mineral list contains entries from the region specified including sub-localities
var: Flos Ferri
var: Strontian Baryte

'Chlorite Group'
var: Chalcotrichite

var: Selenite
var: Breunnerite

var: Mesitine Spar

var: Rose Quartz ?
Wagnerite (TL)

23 entries listed. 15 valid minerals. 1 type locality (valid mineral).

Localities in this Region


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- Meixner, H. (1971): Zur "Salzburg"-Exkursion der Österr.Mineralogischen Gesellschaft Oktober 1971 - 1) Lazulithvorkommen vom Typus Werfen; Der Karinthin 65, 237.
- A. Strasser: Die Minerale Salzburgs, 1989
- Berl, R. (1997): Lazulith in Österreich Teil 2 - Bemerkungen zu einigen Lazulithvorkommen des Landes Salzburg. Der Steirische Mineralog, 9, p.5-10.

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