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Basalt quarry, Klöch, Bad Radkersburg, Styria, Austria

(Basaltbruch, Klöch, Bad Radkersburg, Steiermark, Österreich)

Basalt (nepheline-basanite) quarry, with rare limestone xenoliths.
Located near Klöch, NNW of Bad Radkersburg.

Collecting in the quarry was prohibited for a long time.
Situation on 16.4.2005: Klöch quarry is not abandoned at the moment, it produces ca. 1 million tons per year of mainly road work material.
Situation 2007-2008: Collecting with protective hardhat is allowed.



References:
- Meixner, H. (1956): 158: Zeolithe aus dem Nephelinbasanit von Klöch, Stmk. In: Meixner, H. (1956): Neue Mineralfunde in den österreichischen Ostalpen XV. Carinthia II, 146/66, 26-27.
- Meixner, H. (1977): 410: Gismondin, Natrolith- und Oligoklas-xx aus dem Nephelinbasanit von Klöch, Steiermark. In: Meixner, H. (1977): Neue Mineralfunde aus Österreich XXVII. Carinthia II, 167/87, 26-27.
- Postl, W. & Walter, F. (1983): 560: Ettringit-xx vom Basaltbruch Stürgkh-Hrusak, Klöch, Steiermark. In: Niedermayr, G. et al. (1983): Neue Mineralfunde aus Österreich XXXII. Carinthia II, 173/93, 360.
- Postl, W. & Walter, F. (1985): 615: Tetranatrolith aus dem Basaltbruch Stürgkh-Hrusak in Klöch, Steiermark. In: Niedermayr, G. et al. (1985): Neue Mineralfunde aus Österreich XXXIV. Carinthia II, 175/95, 250.
- Moser, B. & Postl, W. (1986): 649: Todorokit aus dem Basaltsteinbruch Stürgkh-Hrusak in Klöch, Steiermark. In: Niedermayr, G. et al. (1986): Neue Mineralfunde aus Österreich XXXV. Carinthia II, 176/96.
Taucher, J., Postl, W., Moser, B., Jakely, D. & Golob P. (1989): Klöch - Ein südoststeirisches Basaltvorkommen und seine Minerale. Eigenverlag Taucher und Jakely, 160 p.
- Exel, R. (1993): Die Mineralien und Erzlagerstätten Österreichs.
- Postl, W., Taucher, J. & Moser, B. (1996): Neue Mineralfunde im oststeirischen Vulkangebiet. - Mitt. Abt. Miner. Landesmuseum Joanneum, 60/61, 3-76.
- Taucher, J. & Hollerer, Ch.E. (1998): 1151: Hercynit auf Phillipsit aus einem Xenolith, Basaltbruch Klöch, nördlicher Bruch, Steiermark. In: Niedermayr, G. et al. (1998): Neue Mineralfunde aus Österreich XLVII. Carinthia II, 188/108, 258.
- Postl, W. (1999): 1194: Huntit, ged. Kupfer sowie Al-hältiger Jarosit aus dem Nephelinit-Steinbruch in Köch, Steiermark. In: Niedermayr, G. et al. (1999): Neue Mineralfunde aus Österreich XLVIII. Carinthia II, 189/109, 232-233.
- Postl, W. & Bojar, H.-P. (2003): 1345: Hydrocalumit und ein Vertreter der Strätlingit-Gruppe aus dem Nephelinbasanit-Steinbruch Klöch. In: Niedermayr, G. et al. (2003): Neue Mineralfunde aus Österreich LII. Carinthia II, 193/113, 212-213.
- Postl, W. & Bojar, H.-P. (2006): 1469: Mottramit und ein Zn-Silikat aus dem Steinbruch in Klöch, Steiermark. In: Niedermayr, G. et al. (2006): Neue Mineralfunde aus Österreich LV. Carinthia II, 196/116, 153.
- Postl, W., Bernhard, F. & Bojar, H.-P. (2008): 1565: Brownmillerit aus dem Steinbruch in Klöch. In: Niedermayr, G. et al. (2008): Neue Mineralfunde aus Österreich LVII. Carinthia II, 198/118, 269.





Map Reference: 46°46'N , 15°58'E

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Mineral List:
Afwillite
Albite
var: Oligoclase
Analcime
Andradite
Anorthite
'Apatite'
'Apophyllite'
Aragonite
Augite
Biotite
Brownmillerite
Calcite
'Chabazite'
Chalcocite
Chalcopyrite
Chrysocolla
Copper
Corundum
Cristobalite
Cryptomelane
'Deweylite'
Diopside
Dolomite
'Ellestadite'
Enstatite
'Erionite'
Ettringite
'Garnet Group'
Gehlenite
Gismondine
Gonnardite
Gypsum
Halloysite
var: Cuprian Halloysite
Hedenbergite
Hematite
Hercynite
Herschelite
'Heulandite'
'Hornblende'
Huntite
Hydrocalumite
Illite
Ilmenite
Jarosite
Kalsilite
Klöchite (TL)
Larnite
Leucite
Magnesite
Magnetite
Malachite
Mayenite
Melilite
Millerite
Montmorillonite
Mottramite
Natrolite
Nepheline
Opal
var: Opal-AN

Paranatrolite
Periclase
'Phillipsite'
'Plessite'
Plombièrite
Pyrrhotite
Quartz
'Quartz-beta'
Ranciéite
Rhodesite
Roedderite
Sanidine
Saponite
var: Cuprian Saponite
Spinel
'Stilbite'
Tacharanite
Thaumasite
Thomsonite-Ca
Titanite
Tobermorite
Todorokite
Tridymite
Wollastonite


85 entries listed. 64 valid minerals. 1 type locality (valid mineral).

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