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Graulay (Graulai; Graulei; Grauley), Hillesheim, Eifel, Rhineland-Palatinate, Germany

Latitude: 50°16'35"N
Longitude: 6°40'23"E
Graulay (Graulai; Graulei; Grauley), Hillesheim, Eifel, Rheinland-Pfalz, Deutschland

An active quarry. Minerals are either included in xenoliths or do occur as late-stage phases in thin fissures of pneumatolytic origin (zeolites and carbonates). The quarry is famous for a number of rare barium minerals and skeletal perovskite.

Mineral List

Aegirine-augite
Åkermanite
Alumohydrocalcite
Andradite
'Apophyllite'
Aragonite
Augite
Baryte
Barytolamprophyllite ?
Batiferrite (TL)
Batisite
'Biotite'
Bornite
Calcite
Chabazite-Ca
Chabazite-K
Chalcocite
Chalcopyrite
'Chlorite Group'
Chrysocolla
Covellite
Cuprite
Dolomite
Ettringite ?
Faujasite-Ca
Fluorapatite
Fluorite
Forsterite
Fresnoite
'Gismondine'
Gismondine-Ca
Gonnardite
Gypsum
'Halloysite'
Hannebachite
Haüyne
Hematite
Hielscherite (TL)
Hillesheimite (TL)
'Hornblende'
Jarosite
Kalsilite
'Lamprophyllite Group'
Leucite
'Lévyne'
Magnetite
Malachite
'Melilite'
Montmorillonite
Natrolite
Nepheline
Opal
var: Opal-AN

Perovskite
'Phillipsite'
Phillipsite-Ca
Phillipsite-K
Phlogopite
Priderite
Pseudobrookite
Pyrochlore Group
'Quartz-beta'
Ranciéite
Sanidine
Schorlomite
Scottyite
Sodalite
Thaumasite
Thomsonite-Ca
Titanite
Vishnevite
Volborthite
Willhendersonite
Wollastonite
Yukonite
Zircon


75 entries listed. 63 valid minerals. 3 type localities (valid minerals).

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References

- Hentschel, G.(1987): Die Mineralien der Eifelvulkane, Weise Verlag München, 2. Auflage
- Hentschel, G. (1993): Die Lavaströme der Graulai: eine neue Fundstelle in der Westeifel. Lapis 18 (9), 11-23.
- Meyer, W. (1994) Geologie der Eifel, Schweitzerbart Stuttgart
- Blass, G., Emmerich, F., Graf, HW., Schäfer, Ch., Tschörtner, J., (2006): Minerale der Eifelvulkane, CD, published by authors
- Blass, G., (2010): Die neuen Mineralienfunde aus der Vulkaneifel, Mineralienwelt, 21 (5), xx-xx.
- Schüller, W. (2011): Neufunde aus der Eifel (5): 2008-2011. "König der Gipse" in der Graulai. Lapis 36 (5), 38-45.

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Copyright © Jolyon Ralph and Ida Chau 1993-2013. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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