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Callainite

Colour:Apple-green to emerald ...
Name:Named in the supposed identity of this material with the Callais of Pliny.


A name applied to the substance of neolithic beads discovered at various localities in Brittany, originally in the dolmens at Mané-er-H'roeck in Lockmariaquer.

The mean index of refraction (1.576) and other physical properties are similar to those of microcrystalline variscite. Probably Variscite.

Classification of Callainite

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Physical Properties of Callainite

Colour:Apple-green to emerald green, spotted or veined with whitish or bluish.

Crystallography of Callainite

Morphology:Massive, wax-like

Other Names for Callainite

Synonyms:
Callais
Other Languages:
German:Callainit

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 Callainite

Reference List:Damour (1864): Comptes rendu de l’Académie des sciences de Paris: 59: 936 (as Callais).

Dana, E.S. (1892) System of Mineralogy, 6th. Edition, New York: 825.

Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 761.

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    Localities for Callainite

    (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.
    France
     
    • Brittany
      • Morbihan
        • Locmariaquer
    		Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 761.
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 10th Nov 2009 23:08:02