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Beraunite

#PD34540

Beraunite

#PD34540
Availability
Sold
Size
2 x 2.5 x 1.5 cm - Thumbnail 
Formula
Fe2+Fe3+5(PO4)4(OH)5·6H2O (RRUFF)
Locality
Rotläufchen mine, Waldgirmes, Giessen, Hesse, Germany
Tagged
phosphate

Dark red platy crystals of Beraunite variety Oxiberaunite in flat lying radail clusters to 1cm with divergent crystal clusters of bladed colorless Strengite.

The variety Oxiberaunite may be a separate mineral, although it has not been validated, and how one would visually distinguish it from regular Beraunite is hard to tell.

Beraunite

Formula
Fe2+Fe3+5(PO4)4(OH)5·6H2
Crystal System
Monoclinic 
Crystal Habit
Druse, Radial, Globular 
Cleavage
Good, None, None 
Luster
Vitreous - Dull 
Color
green, greenish brown, gray green, dark greenish brown, dark red 
Streak
green brown 
Class
Monoclinic - Prismatic 
Hardness

Data courtesy of Webmineral.

Collection
Phillips Collection
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