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Tektite
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Moldavite
Besednice, Český Krumlov, South Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic
© Jan Čermák
A natural glass formed from a meteorite impact melting the local rock. Depending on the nature of the latter, the composition of tektites is variable. Hence, many varietal names are given to tektites from different localities.
The meteoritic source was determined for three fields of scattered tektites (bediasite and georgiaite in North America, moldavite in Central Europe, and ivorite in West Africa). Though, for Australian and Asian tektites (indochinite, australite, zhamanshinite, irghizite, and others), the occurrence in meteoritic craters has only been inferred.
Visit gemdat.org for gemological information about Tektite. Currently in public beta-test.
Classification of Tektite | |||||||||||||
| mindat.org URL: | http://www.mindat.org/min-10859.html Please feel free to link to this page. | ||||||||||||
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Other Names for Tektite | |||||||||||||
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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 Tektite | |||||||||||||
| Reference List: - + | J. Jedwab (1977) Minerals Deposited in Tektite and Impactite Bubbles. Meteoritics, 12, 264-266. Bentor, Y. K. (1986) A new approach to the problem of tektite genesis. Earth and Planetary Science Letters, 77, 1-13. Köberl C. (1990) The geochemistry of tektites: An overview. Tectonophysics 171, 405–422. O'Keefe, J.A. (1993) The origin of tektites. Meteoritics, 29, 73–78. Rossano, S., Balan, E., Morin, G., Bauer, J.-P., Calas, G., and Brouder, C. (1999) 57Fe Mössbauer spectroscopy of tektites. Phys. Chem. Minerals: 26: 530-538. Povenmire, H. (2003) Tektites, A Cosmic Enigma. Florida Fireball Network, 210 pp. http://www.tektites.co.uk/ http://en.wikipedia.org/wiki/Tektite http://originoftektites.com/ | ||||||||||||
Internet Links for Tektite | |||||||||||||
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Localities for Tektite | |||||||||||||
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The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the
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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.
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Locality Updated: Santo Ángel mine, Aladrén, Zaragoza, Aragón, SpainFrom Alfredo Petrov, 20th Jun 2013 09:48:03

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