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Ludlamite & Vivianite

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PJM79741

Ludlamite & Vivianite

Ex J & S Mommers Collection

Description Tabs

Description
Locality: 
Huanuni Mine, Huanuni, Dalence Province, Oruro Department, Bolivia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
1.9 × 3.2 × 2 cm
Largest Crystal: 
2.30cm
Description

An attractive specimen of this remarkably rare phosphate, consisting of a wonderful, sharp, lustrous, gemmy, green,doubly terminated crystal group of ludlamite measuring 2.3 cm sitting atop a matrix covered with micro translucent olive green micro ludlamite crystals. Amongst the ludlamite blades are several small dark blue transparent vivianite crystals

Mineral Data
What's on the rock

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

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
Earthstones Australia

Seller Information

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