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  

Cacoxenite

#DO46635

Cacoxenite

#DO46635
Availability
Sold
Size
4.5 x 4 x 3 cm - Miniature 
Formula
(Fe3+)24AlO6(PO4)17(OH)12·75H2O (RRUFF)
Locality
Union Carbide mine, Wilson Springs, Garland Co., Arkansas, United States
Tagged
phosphate

Golden fibrous crystals less than 1mm filling vugs in limonitic matrix.

Cacoxenite

Formula
(Fe3+)24AlO6(PO4)17(OH)12·75H2
Crystal System
Hexagonal 
Crystal Habit
Radial, Acicular, Stellate 
Cleavage
None, None, None 
Luster
Silky 
Color
brownish yellow, green, yellow, golden yellow, red yellow 
Streak
yellow 
Class
Hexagonal - Dihexagonal Dipyramidal 
Fracture
Uneven 
Hardness
3-3.5 

Data courtesy of Webmineral.

Collection
Don Owens Collection

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