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Wavellite

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RPL1078323

Description Tabs

Description
Locality: 
Highdown Quarry, Filleigh, Devon, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.8 × 4 × 4 cm
Largest Crystal: 
0.70cm
Weight: 
79.00gr
Description

A dark slate grey culm measure mudstone matrix with wavellite and iridescent limonite, the display face has several complete wavellite hemispheres. There are also a number of wavellite radials showing the typical crystal structure. A bright and clean example.

A yellow buff colour fluorescence under SW.

 

Mineral Data
What's on the rock

Wavellite

Formula: 
Al3(PO4)2(OH,F)3·5H2O
Strunz: 
8.DC.50
Hardness: 
3.5 - 4.0
Streak: 
White.
Type Locality: 
High Down Quarry, Filleigh, North Devon, Devon, England, UK

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