Search Archived Mineral Specimens
- Availability
- Sold
- Locality
- Three Oaks Gap, Polk Co., Arkansas, United States
- Formula
- (Fe3+)24AlO6(PO4)17(OH)12·75H2O
- Size
- SmCabinet 7x4.5x2cm
- Tagged
- phosphate
An excellent specimen of beautiful Cacoxenite fibrous sprays and dark reddish brown spheroids to 1mm. Coverage on both sides.
- Availability
- Sold
- Locality
- Three Oaks Gap, Polk Co., Arkansas, United States
- Formula
- (Fe3+)24AlO6(PO4)17(OH)12·75H2O
- Size
- SmCabinet 7.5x7x3.5cm
- Tagged
- phosphate
Eye pleasing orange, radiating groups of Cacoxenite. Very good specimen!
- Availability
- Sold
- Locality
- Union Carbide mine, Wilson Springs, Garland Co., Arkansas, United States
- Formula
- (Fe3+)24AlO6(PO4)17(OH)12·75H2O
- Size
- Thumbnail 1.5x2x1cm
- Tagged
- phosphate
Excellent golden yellow sprays of Cacoxenite to 0.5mm covering one side of a thumbnail piece of matrix.
- Availability
- Sold
- Locality
- Union Carbide mine, Wilson Springs, Garland Co., Arkansas, United States
- Formula
- (Fe3+)24AlO6(PO4)17(OH)12·75H2O
- Size
- Miniature 4x2.5x2.5cm
Beautiful golden sprays and brown beads of Cacoxenite from this interesting locality hosting three type locality minerals. Art Smith once wrote about this locality in R&M. See tag.
- Availability
- Sold
- Locality
- Fumade, Castelnau-de-Brassac, Tarn, Midi-Pyrénées, France
- Formula
- (Fe3+)24AlO6(PO4)17(OH)12·75H2O
- Size
- SmCabinet 6x4x4cm
- Tagged
- phosphate
Gorgeous radial sprays of orange Cacoxenite to almost 1mm. Rich specimen. You have to appreciate this under the microscope!
- Availability
- Sold
- Locality
- Augusta Ridge, Cherokee Co., Alabama, United States
- Formula
- (Fe3+)24AlO6(PO4)17(OH)12·75H2O
- Size
- SmCabinet 6x4x3.5cm
- Tagged
- phosphate
An absolutely stunning specimen with superb micro Cacoxenite sprays to about 0.75mm. There is thick, rich coverage like carpet in places and also singular sprays throughout. Although it is "just" Cacoxenite, you won't find much better with this display of perfection.