mineral specimens
rare minerals
mineral dealer
systematic minerals
Black Hills minerals
fine minerals
mineral dealer
Dana minerals
IMA minerals
mineral collections
rock and minerals
gem crystal
0 item @ $0.00  

Fibroferrite

#PD49850

Fibroferrite

#PD49850
Availability
Sold
Size
4.5 x 1.5 x 1.5 cm - Miniature 
Formula
Fe3+SO4(OH)·5H2O (RRUFF)
Locality
Mt. Vesuvius, Somma Complex, Napoli, Campania, Italy

Vial filled with yellow-orange fibrous Fibroferrite.

Fibroferrite

Formula
Fe3+SO4(OH)·5H2
Crystal System
Trigonal 
Crystal Habit
Fibrous, Radial, Massive - Fibrous 
Cleavage
Perfect, None, None 
Luster
Silky 
Color
green gray, yellow green, white, light green, light yellow 
Streak
white 
Class
Trigonal - Rhombohedral 
Fracture
Uneven 
Hardness

Data courtesy of Webmineral.

Collection
Don Phillips Collection

Other Sold

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2025 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map