Quartz-beta

Ettringer Bellerberg Mt., Ettringen, Mayen, Eifel Mts, Rhineland-Palatinate, Germany
© Fred Kruijen

Formula:

SiO

System:

Hexagonal

The high-temperature polymorph of quartz. Unstable at room temperature, cannot be quenched from high temperatures (all beta-quartz or quartz-beta or high quartz in collections actually represent pseudomorphs of quartz after beta-quartz). The phase transition is at about 573°C. Beta-quartz melts at about 1727°C.

Classification of Quartz-beta

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Physical Properties of Quartz-beta

Density (calculated):

2.5334 g/cm³

Crystallography of Quartz-beta

Crystal System:

Hexagonal

Class (H-M):

6 2 2 - Trapezohedral

Space Group:

P6₄ 2 2

Cell Parameters:

a = 4.9977Å, c = 5.4601Å

Ratio:

a:c = 1 : 1.093

Unit Cell Volume:

V 118.11 Å³ (Calculated from Unit Cell)

Chemical Properties of Quartz-beta

Formula:

SiO

Essential elements:

O, Si

All elements listed in formula:

O, Si

Other Names for Quartz-beta

Synonyms:

German names:

Other Information

Health Warning:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Quartz-beta

Reference List:

Reviews in Mineralogy Vol. 29 Silica 1994

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Localities for Quartz-beta

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(TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.


Austria
Carinthia Kreuzeck group Oberdrauburg Irschen	R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
Styria Bad Radkersburg Klöch Basalt quarry	R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)

Ethiopia
Showa Province Lake Langano	Alfredo Petrov collection

France
Auvergne Haute-Loire Le Puy-en-Velay Espaly-Saint-Marcel Mt Denise	D. BARRIER, G. POURTIER & P. MEDARD, 2004, Minéralogie du Mont Denise (Haute-Loire), Le Cahier des Micromonteurs, 83, pp 3-8

Germany
North Rhine-Westphalia Siebengebirge Königswinter Perlenhardt Mt.	Kalb, G., (1939): Hochquarz in den Drusen des Trachyts der Perlenhardt im Siebengebirge, Decheniana, Verhandlungen des naturhistorischen Vereins der Rheinland und Westfalens, Band 98A, Heft 2, pp.177
Rhineland-Palatinate Eifel Mts Andernach Eich Nickenicher Sattel (Eicher Sattel)	Hentschel, G., Die Mineralien der Eifelvulkane, Weise Verlag München, 1983
Nickenich Nickenicher Weinberg Mt. (Nickenicher Sattelberg Mt.)	Hentschel, G., Die Mineralien der Eifelvulkane, Weise Verlag München, 1983
Bad Breisig Brohl-Lützing (Niederlützingen) Leilenkopf Mt.	Hentschel, G., Die Mineralien der Eifelvulkane, Weise Verlag München, 1983
Daun Hinterweiler Feuerberg Mt.	collection C.&H.Schäfer
Üdersdorf Emmelberg Mt.	Schäfer, H., Die Mineralien der Einschlüsse und Auswürflinge in den Schlacken des Emmelberges bei Üdersdorf / Eifel, Der Aufschluss 30, 273-282, 1979
Löhley (Liley; Meerfeld Quarry; Slabik Quarry; Scheerer Quarry)	Guth, G., Interessante Neufunde für den Basaltbruch Liley (Löley) bei Üdersdorf in der Westeifel Mineralien-Welt 2/2000
Hillesheim Stolz Quarry (Graulai; Grauley)	Blass, G., Emmerich, F., Graf, HW., Schäfer, Ch., Tschörtner, J., (2006): Minerale der Eifelvulkane, Version 1.0, CD, published by authors
Mayen Ettringen Ettringer Bellerberg Mt.	Lehmann, J., Die pyrogenen Quarze in den Laven des Niederrheins, Verh. Naturh. Ver. Preuss. Rheinl. Westf. 31, 1874
Mendig Bell Rothenberg Mt.	Hentschel, G., Die Mineralien der Eifelvulkane, Weise Verlag München, 1983
Niederzissen Burgbrohl Herchenberg Mt.	Blass, G., Graf, H.W., Kolitsch, U., Neue Funde aus der Vulkaneifel - ein Rückblick auf die Sammelsaison 2002, Mineralien-Welt 13/5, 2003
Hannebach Hannebacher Ley (Hannebacher Lay)	Hentschel, G., Die Mineralien der Eifelvulkane, Weise Verlag, München (2. Auflage), 1987
Polch Ochtendung Wannenköpfe	Blass, G., Graf , HW., Die Wannenköpfe bei Ochtendung in der Vulkaneifel und ihre Mineralien, MW 6/1999
Saxony Vogtland Klingenthal Muldenberg Saubach Fault	Frondel, C. (1962): The system of mineralogy, Vol. III - Silica minerals

Japan
Honshu Island Kinki Region Wakayama Prefecture Kusukidani

Paraguay
Paraguarí Department Cerro Yahapé	Geological Survey Professional Paper 327 (U.S. Department of the Interior, 1959)

Portugal
Castelo Branco District Fundão Argimela Mine (Argemela Mine)	B. Charoy et al. , Eur.Journ. Mineral. , 1995, 7, pp. 335-352.

Slovakia
Banská Bystrica Region Cérová Mts Šiatorská Bukovinka	Ďuďa,R., Mrázek,Z., Košuth,M., 1984: Postmagmatická zeolitová mineralizácia Cérovej vrchoviny. Min.Slovaca, 16,2,157 - 172

Spain
Canary Islands Las Palmas Province Gran Canaria (Grand Canary) Mogán Playa de Mogán Barranco Taurito	Christof Schäfer
Barranco Tiritana	Christof Schäfer
Puerto Rico Playa de Amadores	Ternes, B., (1995): Fundstellen im Südwesten Gran Canarias, Lapis 1/1995, 57-59
Playa del Inglés Arguineguin Puzzolane quarry	christof Schäfer

Taiwan
Taiwan Province Taipei Co. Jui-Fang Town Chinkuahshih Mine Pen-Shan Ore Body	James K.C.Huang Collection

USA
Oklahoma Comanche Co. Wichita Mts Mount Scott granite	J.D. Price et al. , Eur. J. Mineral. , 1996, 8, pp. 435-451.

Mineral

and/or Locality

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