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
2 items @ $50.00  

Sideronatrite

#FD774

Sideronatrite

#FD774
Availability
Available
Price
$20.00
Size
3 x 1.5 x 1 cm - Thumbnail 
Formula
Na2Fe3+(SO4)2(OH)·3H2O (RRUFF)
Locality
Capital Reef, Wayne Co., Utah, United States

Golden straw-like crystals to 1mm.

Sideronatrite

Formula
Na2Fe3+(SO4)2(OH)·3H2
Crystal System
Orthorhombic 
Crystal Habit
Fibrous, Nodular, Massive 
Cleavage
Perfect, None, None 
Luster
Vitreous - Dull 
Color
yellow, yellow, yellow brown, pale orange 
Streak
pale yellow 
Class
Orthorhombic - Dipyramidal 
Fracture
Uneven 
Hardness
1.5-2 

Data courtesy of Webmineral.

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