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Vivianite & Marcasite & Zwieselite

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SHS552965

Vivianite & Marcasite & Zwieselite

Description Tabs

Description
Locality: 
Hagendorf South Pegmatite, Bavaria, Germany
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.3 × 1.8 × 1 cm
Description

Vivianite with marcasite and strunzite in 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

Marcasite

Formula: 
FeS2
Strunz: 
2.EB.10a
Crystal System: 
Orthorhombic
Hardness: 
6.0 - 6.5

Zwieselite

Formula: 
(Fe2+,Mn2+)2(PO4)F
Strunz: 
8.BB.10
Crystal System: 
Monoclinic
Hardness: 
5.0 - 5.5
Type Locality: 
Birkhöhe Quarry (Birkenhöhe Quarry), Zwiesel, Lower Bavaria, Bavaria, Germany
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