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Ludlamite

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ESM221343

Ludlamite

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Description
Locality: 
Blackbird Mine, Lemhi County, Idaho, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
1.3 × 1.6 × 1.2 cm
Description

A cluster of green gemmy translucent ludlamite 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