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Strunzite & Ferroberaunite

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SMM968444

Strunzite & Ferroberaunite

Type Locality ferroberaunite

Description Tabs

Description
Locality: 
Gravel Hill Mine, Perranzauloe, Cornwall, United Kingdom
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 3 × 1 cm
Description

Groups of straw-yellow acicular diverging crystals of strunzite scattered over the specimen and urchins of dark-green ferroberaunite crystals here and there. Excellent specimen.

Boxed with Label
Mineral Data
What's on the rock

Strunzite

Formula: 
Mn2+Fe3+2(PO4)2(OH)2·6H2O
Strunz: 
8.DC.25
Hardness: 
4.0
Streak: 
White
Type Locality: 
Hagendorf South Pegmatite (Cornelia Mine; Hagendorf South Open Cut), Hagendorf, Waidhaus, Upper Palatinate, Bavaria, Germany

Ferroberaunite

Formula: 
Fe2+Fe3+5(PO4)4(OH)5 · 6H2O
Strunz: 
8.DH.
Crystal System: 
Monoclinic
Colour: 
Green; dark greenish-brown, green, grading to grey
Type Locality: 
Gravel Hill Mine, Perran Iron Lode, Perranzabuloe, Cornwall, England, UK

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