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Opal from
La Chaux de Bergonne, Gignat, Saint-Germain-Lembron, Puy-de-Dôme, Auvergne, France

Description
Quality of samples:not specified / average specimens
Confirmation
Validity:Believed Valid
References
References:G. Artioli et al. , Am. Min. , V84, 1999, pp. 1445-1450.
Data
Mineral Data:Click here to view Opal data
Locality Data:Click here to view La Chaux de Bergonne, Gignat, Saint-Germain-Lembron, Puy-de-Dôme, Auvergne, France
Mineral and/or Locality
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Current server date and time: 17th Feb 2012 17:23:06
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New Locality Added: St.Oswald, Haslach, Rohrbach, Mühlviertel, Upper Austria, AustriaFrom Peter Neschen, 17th Feb 2012 17:11:02