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Gwindel

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Big Photo

Mont Blanc Massif (Monte Bianco Massif), Chamonix, Haute-Savoie, Rhône-Alpes, France
© Rob Lavinsky

Discuss Gwindel



Name:From German "Gwindel", meaning "gewunden" = contorted, twisted, wound.
A variety of Quartz

Quartz crystals that grew along and are slightly rotated around a single a-axis. This results in twisted and tabular crystals.
Found in some alpine-type fissures.

Note: Gwindel-type intergrowths are also known for other minerals.


Classification of Gwindel

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Other Names for Gwindel

Synonyms:
Gwindle QuartzTwisted Quartz
Other Languages:
French:Peigne
Quartz Helicoidal
Sucre
German:Gwindl

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 Gwindel

Reference List:

- +
Žorž, M. (1994): Pyroelectrically caused twisting of quartz crystals. In Geologija, 35th book, 183-206.

Moore, T. P. (2007): Alpine quartz gwindels. Mineralogical Record, 38, 103-121.

Žorž, M. (2009): Quarz-Gwindel. Mineralien-Welt 20 (3), 30-46.


http://www.quartzpage.de/gwindel.html

http://www.articlearchives.com/science-technology/earth-atmospheric-science/1541521-1.html

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    Locality Updated: Peñas Azules Deposit, Sierra Calchaquí, Amaicha del Valle District, Tafí del Valle Department, Tucumán, ArgentinaFrom Raúl Jorge Tauber Larry, 19th May 2013 23:36:35