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  

Colorado Plateau Minerals

Saturday, 13 January 2024 05:30 PM

The Colorado Plateau encompasses a large area of the southwest including Arizona, Colorado, New Mexico and Utah. Many of these minerals are formed in roll front uranium deposits. They can be bright yellow or orange and beautiful to see under the microscope.

Carnotite

on petrified wood - #BAC63186
Locality
Dissappointment Creek, San Miguel Co., Colorado, United States 
Formula
K2(UO2)2(VO4)2·3H2
Availability
Available
Price
$25.00
Size
3.5 x 3 x 1 cm - Miniature 
Tagged
vanadium  
Special Info
Radioactive!! 

Bright yellow pulverulent Carnotite on and in petrified wood. 


Carnotite

Formula
K2(UO2)2(VO4)2·3H2
Crystal System
Monoclinic 
Crystal Habit
Earthy, Encrustations, Platy 
Cleavage
Perfect, None, None 
Luster
Pearly 
Color
yellow, golden yellow, greenish yellow 
Streak
light yellow 
Class
Monoclinic - Prismatic 
Fracture
Uneven 
Hardness
Collection
William & Anne Cook Collection
Special Info
Radioactive!!

Schoepite

#AH63189
Locality
Happy Jack mine, White Canyon, San Juan Co., Utah, United States 
Formula
(UO2)8O2(OH)12·12H2
Availability
Available
Price
$75.00
Size
5.6 x 1 x 2.5 cm - Sm Cabinet 
Special Info
Radioactive!! 
Special Info
XRD Confirmed 
Special Info
Raman 

Glassy orange crystals across face. Tested mineral. Collected by Arnold Hampson.


Schoepite

Formula
(UO2)8O2(OH)12·12H2
Crystal System
Orthorhombic 
Cleavage
Perfect, Indistinct, None 
Luster
Adamantine 
Color
yellow, lemon yellow, brownish yellow, amber 
Streak
light yellow 
Class
Orthorhombic - Pyramidal 
Fracture
Brittle 
Hardness
2.5 
Collection
Arnold G Hampson Collection
Special Info
Radioactive!!
Special Info
XRD Confirmed
Special Info
Raman
Mineralpedia
View Schoepite
On Dakota Matrix
Previously Sold Schoepite
On Dakota Matrix
Other Available Schoepite
WebMineral
View Schoepite
Mindat
View Schoepite

Schrockingerite

#BAC63194
Locality
Grand Co., Utah, United States 
Formula
NaCa3(UO2)(SO4)(CO3)3F·10H2
Availability
Available
Price
$75.00
Size
5 x 3.5 x 3 cm - Miniature 
Tagged
carbonate  
Special Info
Poisonous!! 

Glassy yellow thin plates, some showing terminations. The broadside of the crystals both lying flat and on end in a radial fashion. No specific mine is noted.


Schrockingerite

Formula
NaCa3(UO2)(SO4)(CO3)3F·10H2
Crystal System
Orthorhombic 
Crystal Habit
Globular, Aggregates 
Cleavage
Perfect, None, None 
Luster
Vitreous - Pearly 
Color
yellow 
Class
Orthorhombic - Dipyramidal 
Hardness
2.5 
Collection
William & Anne Cook Collection
Special Info
Poisonous!!

Volborthite

#AH63190
Locality
Monument #1 mine, Apache Co., Arizona, United States 
Formula
Cu3V2O7(OH)2·2H2
Availability
Available
Price
$95.00
Size
4.5 x 2.8 x 2.3 cm - Miniature 
Tagged
copper , vanadium  
Special Info
XRD Confirmed 
Special Info
Raman 

Beautiful grass green rosettes to about 0.5mm.


Volborthite

Formula
Cu3V2O7(OH)2·2H2
Crystal System
Monoclinic 
Crystal Habit
Globular, Scaly 
Cleavage
Perfect, None, None 
Luster
Vitreous - Pearly 
Color
brownish yellow, greenish yellow, yellow, yellow green, light brown 
Streak
light green 
Class
Monoclinic - Prismatic 
Hardness
Collection
Arnold G Hampson Collection
Special Info
XRD Confirmed
Special Info
Raman

Zippeite

with Grantsite - #BAC63184
Locality
Happy Jack mine, White Canyon, San Juan Co., Utah, United States 
Formula
K3(UO2)4(SO4)2O3(OH)·3H2
Availability
Available
Price
$45.00
Size
5.5 x 2 x 4 cm - Sm Cabinet 
Special Info
Radioactive!! 

Bright yellow pulverulent masses with black undiscernable Grantsite. The green is an unidentified species. The matrix is probably Uraninite.


Zippeite

Formula
K3(UO2)4(SO4)2O3(OH)·3H2
Crystal System
Monoclinic 
Crystal Habit
Pulverulent, Encrustations 
Cleavage
Perfect, None, None 
Luster
Earthy (Dull) 
Color
yellow, golden yellow, orange red, reddish brown 
Streak
yellow white 
Class
Monoclinic - Prismatic 
Hardness
Collection
William & Anne Cook Collection
Special Info
Radioactive!!
Mineralpedia
View Zippeite
On Dakota Matrix
Previously Sold Zippeite
On Dakota Matrix
Other Available Zippeite
WebMineral
View Zippeite
Mindat
View Zippeite

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2024 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map