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Ferristrunzite With Ferroberaunite

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PDM1031426

Ferristrunzite With Ferroberaunite

Type Locality

Description Tabs

Description
Locality: 
Mont-des-Groseillers, Blaton, Bernissart, Hainaut, Belgium
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.7 × 4.2 × 1.3 cm
Weight: 
21.00gr
Description

From the type locality, these are radial aggregates with thousands of straw-yellow coloured acicular crystals of ferristrunzite and some dark olive green radiated aggregates of ferroberaunite. Usually in this locality, the shale matrix is covered in thin fractures, but this specimens is rich in acicular crystals with well-developed groups.

Collected before 1980 by Joseph Verbist.

Combine specimens to reduce shipping costs!.

Mineral Data
What's on the rock

Ferristrunzite

Formula: 
Fe3+Fe3+2(PO4)2(OH)3·5H2O
Strunz: 
8.DC.25
Hardness: 
4.0
Streak: 
White
Type Locality: 
Mont-des-Groseillers, Blaton, Mons, Hainaut Province (Henegouwen; Hennegau), Belgium

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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