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Vivianite

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SHS18105

Vivianite

Description Tabs

Description
Locality: 
Tomokoni Mine, Colavi, Machacamarca, Cornelio Saavedra Province, Potosi Department, Bolivia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3.4 × 3.8 cm
Largest Crystal: 
2.20cm
Description

Dark blue green vivianite crystals on brown matrix.

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