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certainty of origin : Cotype (used for additional information).

author(s) : Protas

date of publication : 1964

source : Bull.Soc.Fr.Min.Crist.(87) p.365

formula : K2U6O19 11H2O

comments about the origin : Sorbonne 1965


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This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.

(C) BRGM, ENSMP


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