Harman Patil (Editor)

Hazenite

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Formula(repeating unit)
  
KNaMg2(PO4)2·14H2O

Dana classification
  
40.01.01.03

Strunz classification
  
8.CH.40

Crystal system
  
Orthorhombic

Category
  
Phosphate mineralStruvite group

Crystal class
  
Dipyramidal (mmm)H–M Symbol: (2/m 2/m 2/m)

Hazenite is a hydrous phosphate mineral with chemical formula of KNaMg2(PO4)2·14H2O, therefore a hydrous alkali magnesium phosphate. It is a member of the struvite group.

It was first described for an occurrence adjacent to Mono Lake, California, and named after Robert M. Hazen of the Carnegie Institute. 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 algae remnants on calcite or aragonite. It is precipitated by microbes in the highly-alkaline environment of Mono Lake.

References

Hazenite Wikipedia


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