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Natrodufrénite & Wavellite

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PAV1056243

Natrodufrénite & Wavellite

New Discovery

Description Tabs

Description
Locality: 
Fragas da Carvalhosa Mine, Felgar, Torre de Moncorvo, Bragança District, Portugal
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
1.7 × 4.9 × 2.7 cm
Description

Superb natrodufrénite sample!!!

Lots of natrodufrénite crystals, partially iridescent with some wavellite aggregates.

Collected: 
2023
Boxed with Label
Mineral Data
What's on the rock

Natrodufrénite

Formula: 
NaFe2+Fe3+5(PO4)4(OH)6·2H2O
Strunz: 
8.DK.15
Hardness: 
3.5 - 4.5
Type Locality: 
Pluherlin Castle, Rochefort-en-Terre, Morbihan, Brittany, France

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