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Vivianite On Siderite

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PJM86251

Vivianite On Siderite

Ex J & S Mommers Collection.

Description Tabs

Description
Locality: 
Morococala Mine, Santa Fé, Dalence Province, Oruro Department, Bolivia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 2.2 × 1.2 cm
Description

Gemmy dark green transparent crystal of vivianite on siderite base over a pyritic 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

Siderite

Formula: 
FeCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Streak: 
White
Earthstones Australia

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