Sunday, July 15, 2018

Vivianite

Vivianite
This mineral is hydrate of Iron phosphate.  (Fe2+Fe2+2(PO4)2·8H2O)  

The sample comes from Mullica, New Jersey.


Vivianite
Vivianite was named by Abraham Gottlob Werner in 1817, the year of his death, after John Henry Vivian (1785 - 7855).  Vivian was a Welsh-Cornish politician, mine owner and mineralogist living in Truro, Cornwell, England.

Vivianite
Pure Vivianite is colorless, but the mineral oxidizes easily, changing color, and is usually found as deep blue to deep bluish green prismatic to flattened. 


Thanks to Wikipedia and Mindat.org for the information herein provided.

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