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Vivianite

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SHS36009

Vivianite

ex. Collection Dr. Winfried Böhmer (Wunstorf/Germany)

Description Tabs

Description
Locality: 
Anloua, Martap, Vina, Adamaoua Region, Cameroon
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.6 × 2.6 × 1.8 cm
Largest Crystal: 
8.60cm
Description

Dark blue vivianite crystal, old label from dr. krantz

Mineral Data
What's on the rock

Vivianite

Formula: 
Fe2+3(PO4)2·8H2O
Strunz: 
8.CE.40
Crystal System: 
Monoclinic
Hardness: 
1.5 - 2.0
Type Locality: 
Wheal Kind (Wheal Kine), West Wheal Kitty group, St Agnes, St Agnes District, Cornwall, England, UK