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strashimirite
Strashimirite is a rare monoclinic mineral containing arsenic, copper, hydrogen, and oxygen. It has the chemical formula Cu8(AsO4)4(OH)4·5(H2O).〔(I. Mincheva-Stefanova (1968), "Strashimirite - a new hydrous copper arsenate", ''Zapiski RMO (Proceedings of the Russian Mineralogical Society)'', Part 97, 4. ) (in Russian)〕〔(Frost, Ray L. and Keeffe, Eloise C. and Cejka, Jiri and Sejkora, Jiri (2009) Vibrational spectroscopic study of the arsenate mineral strashimirite Cu8(AsO4)4(OH)4.5H2O - relationship to other basic copper arsenates, ''Vibrational Spectroscopy'', 50(2). pp. 289-297. )〕
This mineral was discovered in Zapachitsa (Zapacica) copper deposit, Svoge, Sofia Oblast, Bulgaria in 1960, by the Bulgarian mineralogist Jordanka Minceva-Stefanova.〔(Jordanka Minceva-Stefanova (Йорданка Минчева-Стефанова)(1923-2007) )〕 She named the mineral after Strashimir Dimitrov (1892-1960), Professor in Mineralogy and Petrography at Sofia University "St Kliment Ohridski", Bulgaria.〔(Michael Fleischer (1969), "New Mineral Names", ''American Mineralogist'', vol. 54, at 1221 )〕 The International Mineralogical Association approved it as a new mineral in 1968.〔(D.Stoilova, J Minčeva-Stefanova (2001), "Infrared Spectroscopic Study of Strashimirite", ''Comptes rendus de l'Académie bulgare de science'', tome 54, No. 8, 49-52. )〕
It occurs as a secondary mineral phase in the oxidation zone of copper arsenide deposits. It occurs associated with tyrolite, cornwallite, clinoclase, euchroite, olivenite, parnauite, goudeyite, arthurite, metazeunerite, chalcophyllite, cyanotrichite, scorodite, pharmacosiderite, brochantite,
azurite, malachite and chrysocolla.〔
Although it remains quite rare, strashimirite has subsequently been identified in a number of locations including: Novoveska Huta in the Czech Republic; on the west flank of Cherbadung (Pizzo Cervandone), Binntal,
Valais, Switzerland; in Kamsdorf and Saalfeld, Thuringia, Germany; the Clara mine, near Oberwolfach, Black Forest, Germany; in the Richelsdorf Mountains, Hesse, Germany; Cap Garonne mine, near le Pradet, Var, and Triembach-au-Val, Haut-Rhin, France; Wheals Gorland and Unity, Gwennap, Cornwall, England; the Tynagh mine, near Loughrea, Co.
Galway, Ireland; the Majuba Hill mine, Antelope district, Pershing Co. Nevada, USA; and the Centennial Eureka mine, Tintic district, Juab Co., Utah, USA.〔
==See also==
List of minerals named after people
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