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Recently Released New Additions

Mixed Minerals

Friday, 12 May 2023 05:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including tiemannite, urancalcarite, uranospathite, vivianite, westerveldite, and wurtzite and more from places like Lucky Boy mine, Marysvale, Piute Co., Utah, United States, Shinkolobwe, Katanga, Democratic Republic of Congo, Pedro Alvaro mine, Salamanca, Spain, Tomokoni mine, Cornelio Saavedraprov., Potosi, Bolivia, Ilimaussaq complex, Narsaq, Kitaa prov., Greenland, and Noril'sk, Siberia, Russia.

Tiemannite - BAC61679
Tiemannite - BAC61679

Tiemannite

with Paraguanajuatite(?) - #BAC61679
Locality
Lucky Boy mine, Marysvale, Piute Co., Utah, United States 
Formula
HgSe 
Availability
Available
Price
$85.00
Size
4.5 x 2.5 x 1.5 cm - Miniature 

Dull to shiny silvery Tiemannite with possible shiny Paraguanajuatite.


Tiemannite

Formula
HgSe 
Crystal System
Isometric 
Crystal Habit
Euhedral Crystals, Massive - Granular 
Cleavage
None, None, None 
Luster
Metallic 
Color
gray, reddish brown, black 
Streak
grayish black 
Class
Isometric - Hextetrahedral 
Fracture
Brittle 
Hardness
2.5 
Collection
William & Anne Cook Collection
Mineralpedia
View Tiemannite
On Dakota Matrix
Previously Sold Tiemannite
On Dakota Matrix
Other Available Tiemannite
WebMineral
View Tiemannite
Mindat
View Tiemannite
SOLD
Urancalcarite - 61655
Urancalcarite - 61655

Urancalcarite

with Curite - #61655
Locality
Shinkolobwe, Katanga, Democratic Republic of Congo 
Formula
Ca(UO2)3CO3(OH)6·3H2O 
Availability
Sold
Size
3 x 3 x 2 cm - Thumbnail 
Tagged
carbonate  
Special Info
Type Locality 

Faint yellow, vey thinly bladed crystals of Urancalcarite with fairly good coverage associated with orange Curite and black Uraninite. Very nice specimen.


Urancalcarite

Formula
Ca(UO2)3CO3(OH)6·3H2O 
Crystal System
Orthorhombic 
Crystal Habit
Acicular, Radial, Aggregates 
Cleavage
None, None, None 
Color
bright yellow 
Streak
light yellow 
Class
Orthorhombic 
Hardness
2-3 
Special Info
Type Locality
Mineralpedia
View Urancalcarite
On Dakota Matrix
Previously Sold Urancalcarite
On Dakota Matrix
Other Available Urancalcarite
WebMineral
View Urancalcarite
Mindat
View Urancalcarite
SOLD
Uranospathite - BAC61674
Uranospathite - BAC61674

Uranospathite

#BAC61674
Locality
Pedro Alvaro mine, Salamanca, Spain 
Formula
(Al,□)(UO2)2F(PO4)2·20(H2O,F) 
Availability
Sold
Size
2 x 0.8 x 2 cm - Thumbnail 
Tagged
phosphate  

Yellow crystal aggregates from 0.3 to 1mm.


Uranospathite

Formula
(Al,[ ])(UO2)2F(PO4)2·20(H2O,F) 
Crystal System
Orthorhombic 
Crystal Habit
Bladed 
Cleavage
Perfect, Good, Indistinct 
Color
bluish green, yellow, light green 
Streak
yellow white 
Class
Orthorhombic - Pyramidal 
Hardness
2.5 
Collection
William & Anne Cook Collection
Mineralpedia
View Uranospathite
On Dakota Matrix
Previously Sold Uranospathite
On Dakota Matrix
Other Available Uranospathite
WebMineral
View Uranospathite
Mindat
View Uranospathite
Vivianite - 61654
Vivianite - 61654

Vivianite

#61654
Locality
Tomokoni mine, Cornelio Saavedraprov., Potosi, Bolivia 
Formula
Fe2+3(PO4)2·8H2O 
Availability
Available
Price
$45.00
Size
3.5 x 2 x 1.5 cm - Miniature 
Tagged
phosphate  

Deep green translucent Vivianite crystals to 2.5cm.


Vivianite

Formula
Fe2+3(PO4)2·8H2O 
Crystal System
Monoclinic 
Crystal Habit
Divergent, Concretionary, Earthy 
Cleavage
Perfect, None, None 
Luster
Vitreous - Pearly 
Color
colorless, green, blue, dark green, dark bluish green 
Streak
bluish white 
Class
Monoclinic - Prismatic 
Fracture
Sectile 
Hardness
1.5-2 
Mineralpedia
View Vivianite
On Dakota Matrix
Previously Sold Vivianite
On Dakota Matrix
Other Available Vivianite
WebMineral
View Vivianite
Mindat
View Vivianite
SOLD
Westerveldite - BAC61658
Westerveldite - BAC61658

Westerveldite

with Lollingite - #BAC61658
Locality
Ilimaussaq complex, Narsaq, Kitaa prov., Greenland 
Formula
(Fe,Ni,Co)As 
Availability
Sold
Size
2.5 x 2 x 1.5 cm - Thumbnail 

Dark metallic grains with bladed Lollingite and unkown orange crusts.


Westerveldite

Formula
FeAs 
Crystal System
Orthorhombic 
Crystal Habit
Irregular Grains, Microscopic Crystals 
Luster
Metallic 
Color
brownish white, gray 
Class
Orthorhombic - Dipyramidal 
Hardness
5.5-6 
Collection
William & Anne Cook Collection
On Dakota Matrix
Previously Sold Westerveldite
On Dakota Matrix
Other Available Westerveldite
WebMineral
View Westerveldite
Mindat
View Westerveldite
Wurtzite - BAC61680
Wurtzite - BAC61680

Wurtzite

#BAC61680
Locality
Noril'sk, Siberia, Russia 
Formula
ZnS 
Availability
Available
Price
$125.00
Size
6 x 5 x 4.5 cm - Sm Cabinet 
Tagged
sulfide  

Excellent specimen of Wutrzite crystals to over 3cm with a deep red to black color.


Wurtzite

Formula
ZnS 
Crystal System
Hexagonal 
Crystal Habit
Radial, Tabular, Colloform 
Cleavage
Good, Good, None 
Luster
Adamantine - Resinous 
Color
brownish black, orange brown, reddish brown, black 
Streak
light brown 
Class
Hexagonal - Dihexagonal Pyramidal 
Fracture
Uneven 
Hardness
3.5-4 
Collection
William & Anne Cook Collection
Mineralpedia
View Wurtzite
On Dakota Matrix
Previously Sold Wurtzite
On Dakota Matrix
Other Available Wurtzite
WebMineral
View Wurtzite
Mindat
View Wurtzite

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