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Agate
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Laguna Agate
Ojo Laguna, Estacion Ojo Laguna, Mun. de Ahumada, Chihuahua, Mexico
© Dr. Perry Silver
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| Name: | The name is derived from its occurrence at the Achates River in southwestern Sicily. | |||||||
A variety of Chalcedony
A distinctly banded variety of Chalcedony.
Originally reported from Dirillo river (Achates river), Acate, Ragusa Province, Sicily, Italy.
Visit gemdat.org for gemological information about Agate. Currently in public beta-test.
A distinctly banded variety of Chalcedony.
Originally reported from Dirillo river (Achates river), Acate, Ragusa Province, Sicily, Italy.
Visit gemdat.org for gemological information about Agate. Currently in public beta-test.
Classification of Agate | |||||||||||||||||||
| mindat.org URL: | http://www.mindat.org/min-51.html Please feel free to link to this page. | ||||||||||||||||||
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Chemical Properties of Agate | |||||||||||||||||||
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| Essential elements: | O, Si | ||||||||||||||||||
| All elements listed in formula: | O, Si | ||||||||||||||||||
Other Names for Agate | |||||||||||||||||||
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| 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 Agate | |||||||||||||||||||
| Reference List: - + | Götze, J., Plötze, M., Fuchs, H., and Habermann, D. (1999) Defect structure and luminescence behavior of agate - results of electron paramagnetic resonance (EPR) and cathodoluminescence (CL) studies. Mineralogical Magazine: 63: 149-163. Carlson, M.R. (2002) The Beauty of Banded Agates. Edina: Fortification Press. Zenz, J. (2005): Achate. Bode Verlag, 656 pp. (in German). Zenz, J. (2009): Achate II. Bode Verlag, 656 pp. (in German). Moxon, T. (2009): Studies on Agate: Microscopy, Spectroscopy, Growth, High Temperature and Possible Origin. Terra Publications, Doncaster, UK, 96 pp. extraLapis No. 39 (2010): Achate - geboren aus Vulkanen. Chr. Weise Verlag, Munich, Germany, 98 pp. (in German). | ||||||||||||||||||
Mindat.org articles about Agate | |||||||||||||||||||
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Internet Links for Agate | |||||||||||||||||||
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| Specimens: | The following Agate specimens are currently listed for sale on minfind.com. | ||||||||||||||||||
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Localities for Agate | |||||||||||||||||||
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The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the
 symbol to view information about a locality.
The symbol next to localities in the list
can be used to jump to that position on the map.
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