Vivianite

Hardness ( Moh )

" 1.5 - 2

Crystal System

Monoclinic

Specific Gravity

2.65

Refractive Index

1.569 - 1.675

Birefringence

Family

Colour(s)

Blue-Green, Colourless, Deep blue

Cleavage

Francture Type

Luster

Streak

Colourless or Blue

Transparency

Transparent, translucent

Formula

Fe32+[PO4]28H2O

Country

Found In Antarctica,Argentina,Australia,Austria,Belarus,Belgium,Bolivia,Bosnia and Herzegovina,Brazil,Cameroon,Canada,China,Czech Republic,DR Congo,Europe,Finland,France,Germany,Greece,Hungary,Indonesia,Iraq,Italy,Japan,Kosovo,Luxembourg,Madagascar,Malawi/Mozambique/Tanzania,Malaysia,Mexico,Namibia,Netherlands,New Zealand,Norway,Peru,Poland,Portugal,Romania,Russia,Rwanda,Slovakia,South Africa,Spain,Sweden,Switzerland,Taiwan,Tanzania,UK,Ukraine,USA,Uzbekistan