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verzwillingter Clinoatacamit
"Anatacamit" (diskreditiert) verzwillingter Clinoatacamit
Original sample: 11 x 5 cm; atacamite intergrown with "anatacamite".
Mineral: "Anatacamite" Hölzel-No.: 3.CB.180 Type of specimen: HT IMA-No. / Accepted: 2008-042 Chemical formula: Cu2(OH)3Cl Type locality: Chile, Antofagasta region, Sierra Gorda, La Vendida mine Associated minerals: Atacamite Collection: Mineralogisches Museum - Universität Hamburg Catalogue−No. / Site: MD 199 Nature of type specimen: Mineral specimen References:
Anatacamite from La Vendida mine, Sierra Gorda, Atacama desert, Chile: a triclinic polymorph of Cu22(OH)3Cl.
Malcherek, T. & Schlüter, J. (2010)
N. Jb. Miner. Abh., 187/3, 307-312 Notes / Further information:
The original sample was collected by Arturo Molina, Iquique, in 2003.
At the request of Malcherek and Schlüter anatacamite was discredited by the IMA-CNMNC on July 17th, 2015. Type Specimen Catalogue Entry: http://www.typmineral.uni-hamburg.de/tables/en/anatacamite.html
Anatacamite from La Vendida mine, Sierra Gorda, Atacama desert, Chile: a triclinic polymorph of Cu22(OH)3Cl.
Malcherek, T. & Schlüter, J. (2010)
N. Jb. Miner. Abh., 187/3, 307-312 Notes / Further information:
The original sample was collected by Arturo Molina, Iquique, in 2003.
At the request of Malcherek and Schlüter anatacamite was discredited by the IMA-CNMNC on July 17th, 2015. Type Specimen Catalogue Entry: http://www.typmineral.uni-hamburg.de/tables/en/anatacamite.html
Collection: Minerals
The Mineralogical Museum's mineral collection contains minerals, gemstones and precious stones as well as syntheses and imitations of minerals. The collection provides the basis for mineralogical research and teaching at the University of Hamburg. It has grown since 1988 from about 1,600 to date (2022) about 3,155 of the currently approximately 5,800 recognized mineral species, making it one of the largest mineralogical reference collections in Germany. In the context of geodiversity research, numerous new minerals have been scientifically described in the Mineralogical Museum and are deposited in the museum as so-called type minerals.
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