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Vivianite & Ludlamite

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MGR886661

Vivianite & Ludlamite

Classic Locality

Description Tabs

Description
Locality: 
Huanuni Mine, Huanuni, Dalence Province, Oruro Department, Bolivia
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.1 × 4.5 × 1.4 cm
Description

Extremely fine combination of lustrous vivianite crystals on matrix, accompanied with several ludlamite crystals. The matrix where the crystals are placed in shows a bit a druzy growth.

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

Ludlamite

Formula: 
(Fe,Mn,Mg)3(PO4)2·4H2O
Strunz: 
8.CD.20
Crystal System: 
Monoclinic
Hardness: 
3.5
Type Locality: 
Wheal Jane (Falmouth Consolidated Mines), Baldhu, Kea, Camborne - Redruth - St Day District, Cornwall, England, UK