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0 item @ $0.00  

Mixed Minerals

Friday, 14 August 2020 06:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including uvarovite, wardite, wolframite, wulfenite, and wurtzite and more from places like Saranovskii mine, Urals Region, Russia, Lavra Da Ilha, Taquaral, Itinga, Minas Gerais, Brazil, Little Dora mine, San Juan Co., Colorado, United States, Los Lamentos, Chihuahua, Mexico, and Pomorzany, near Olkusz, Poland.

SOLD
Uvarovite - AH53890
Uvarovite - AH53890

Uvarovite

garnet - #AH53890
Locality
Saranovskii mine, Urals Region, Russia 
Formula
Ca3Cr2(SiO4)3 
Availability
Sold
Size
5 x 3.5 x 1.3 cm - Miniature 

Deep green micro crystals on sawed plate.


Uvarovite

Formula
Ca3Cr2(SiO4)3 
Crystal System
Isometric 
Crystal Habit
Crystalline - Fine, Crystalline - Fine, Lamellar 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
green 
Streak
white 
Class
Isometric - Hexoctahedral 
Fracture
Brittle 
Hardness
6.5-7 
Collection
Arnold G Hampson Collection
Mineralpedia
View Uvarovite
On Dakota Matrix
Previously Sold Uvarovite
On Dakota Matrix
Other Available Uvarovite
WebMineral
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Mindat
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Wardite

on Quartz - #BN53921
Locality
Lavra Da Ilha, Taquaral, Itinga, Minas Gerais, Brazil 
Formula
NaAl3(PO4)2(OH)4·2H2
Availability
Sold
Size
6.5 x 5 x 4 cm - Sm Cabinet 
Tagged
phosphate , pegmatite mineral  

Well-formed to subhedral tan crystals to 5mm on a Quartz crystal.


Wardite

Formula
NaAl3(PO4)2(OH)4·2H2
Crystal System
Tetragonal 
Crystal Habit
Encrustations, Radial, Fibrous 
Cleavage
Perfect, None, None 
Luster
Vitreous (Glassy) 
Color
blue green, colorless, white, light green 
Streak
white 
Class
Tetragonal - Trapezohedral 
Hardness
Collection
Dr. Buford Nichols Collection
Mineralpedia
View Wardite
On Dakota Matrix
Previously Sold Wardite
On Dakota Matrix
Other Available Wardite
WebMineral
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Mindat
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Wolframite

#AH53905
Locality
Little Dora mine, San Juan Co., Colorado, United States 
Formula
(Fe2+, Mn2+)WO4 
Availability
Sold
Size
7.5 x 6 x 4 cm - Sm Cabinet 
Tagged
tungsten  

Shiny black bladed crystals of Wolframite to 1.1cm.


Wolframite

Formula
(Fe,Mn)WO4 
Crystal System
Monoclinic 
Crystal Habit
Prismatic, Lamellar, Massive - Granular 
Cleavage
Perfect, None, None 
Luster
Sub Metallic 
Color
brownish black, iron black 
Streak
reddish brown 
Class
Monoclinic - Prismatic 
Fracture
Brittle 
Hardness
4.5 
Collection
Arnold G Hampson Collection

Wulfenite

#52797
Locality
Los Lamentos, Chihuahua, Mexico 
Formula
PbMoO4 
Availability
Sold
Size
7 x 5.5 x 4 cm - Sm Cabinet 

Blocky caramel orange Wulfenite crystals to 9mm. Nice piece.


Wulfenite

Formula
PbMoO4 
Crystal System
Tetragonal 
Crystal Habit
Tabular, Pyramidal 
Cleavage
Imperfect, None, None 
Luster
Resinous - Greasy 
Color
orange yellow, waxy yellow, yellowish gray, olive green, brown 
Streak
yellowish white 
Class
Tetragonal - Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness
Mineralpedia
View Wulfenite
On Dakota Matrix
Previously Sold Wulfenite
On Dakota Matrix
Other Available Wulfenite
WebMineral
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Mindat
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Wurtzite

with bands of Sphalerite aka schalenblende - #BC52706
Locality
Pomorzany, near Olkusz, Poland 
Formula
ZnS 
Availability
Available
Price
$250.00
Size
11 x 8 x 6 cm - Cabinet 
Tagged
sulfide  

Fine specimen of what is called "schalenblende", which is banded concentric layers of Sphalerite and Wurtzite.  The specimen is rough on onne large side and sawed and polished three sides. See prov. tab for labels.


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
Barbara Cureton Collection
Mineralpedia
View Wurtzite
On Dakota Matrix
Previously Sold Wurtzite
On Dakota Matrix
Other Available Wurtzite
WebMineral
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Mindat
View Wurtzite

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