Name VIVIANITE
Variety VIVIANITE AFTER WOOD FOSSIL
Origin Kerch (Crimea) Ukrania
Hardness 1,5-2
Composition Fe3(PO4)2.8(H2O)
Crystaline sys. MONOCLINIC
Size   10x6x5 cm
Weight 195 gr




Description:
The beautiful green colour of this mineral means that it often gets cut as a collection gem despite its very low hardness. It is an hydrated iron phosphate and although it appears in various places such as Cameroon, USA or Brazil, no deposit can compete with the beauty and size of the crystals from Bolivia. This interesting specimen is a rare example of a pseudomorph.


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VIVIANITE



VARIETY VIVIANITE AFTER WOOD FOSSIL