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Hazenite is a hydrous phosphate mineral with chemical formula of K Na Mg 2 (PO 4 )2 ·14 H 2 O , therefore a hydrous alkali magnesium phosphate. It is a member of the struvite group.[4]
It was first described for an occurrence adjacent to Mono Lake , California , and named after Robert M. Hazen of the Carnegie Institute .[5] It was approved as a new mineral on February 28, 2008 by the Commission on New Minerals of the International Mineralogical Association .
It occurs as crystal clusters associated with decomposed cyanobacteria remnants on calcite or aragonite .[4] It is precipitated by microbes when the lake has been dry for so long that phosphorus levels build up, poisoning the microbes. They dispose of the excess phosphorus by excreting hazenite crystals.[6] The crystals disappear when it rains or the lake level rises.[7]
References [ edit ]
^ "Hazenite" . mindat.org . Hudson Institute of Mineralogy. Retrieved 15 May 2018 .
^ Yang, H.; Sun, H. J.; Downs, R. T. (21 March 2011). "Hazenite, KNaMg2(PO4)2{middle dot}14H2O, a new biologically related phosphate mineral, from Mono Lake, California, U.S.A.". American Mineralogist . 96 (4 ): 675–681. doi :10.2138/am.2011.3668 . S2CID 97332746 .
^ a b c Barthelmy, Dave. "Hazenite Mineral Data" . webmineral.com . Retrieved 15 May 2018 .
^ "New mineral to be named "Hazenite" after Robert Hazen" . Geophysical Laboratory . Carnegie Institution of Washington. Archived from the original on 16 May 2018. Retrieved 15 May 2018 .
^ Hazen told the Los Angeles Times , "They're basically microbial poop. People tell me, 'Hazenite happens.'" (Netburn, Deborah (13 February 2016). "Way beyond diamonds: A look at some of the rarest minerals in the world" . Los Angeles Times . Retrieved 15 May 2018 . )
^ Wernick, Adam (21 May 2017). "Evidence that we are in the Age of Man: Scientists catalog more human-made minerals" . 90.5 WESA . World Media Foundation. Retrieved 15 May 2018 .
R e t r i e v e d f r o m " https://en.wikipedia.org/w/index.php?title=Hazenite&oldid=1196899995 "
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