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0 item @ $0.00  

Mixed Minerals

Sunday, 08 September 2019 08:00 AM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including kolbeckite, leiteite, libethenite, manganosite, minyulite, and mooihoekite and more from places like Magnet Cove, Hot Spring Co., Arkansas, United States, Tsumeb mine, Tsumeb, Namibia, Kolwezi, Shaba Cu belt, Democratic Republic of Congo, Taylor Mine, Franklin, Sussex Co., New Jersey, United States, Lucin Hill, Box Elder Co., Utah, United States, and Oktyabr'skoe Cu-Ni deposit, Talnakh, Noril'sk, Siberia, Russia.

SOLD
Kolbeckite - 47129
Kolbeckite - 47129

Kolbeckite

#47129
Locality
Magnet Cove, Hot Spring Co., Arkansas, United States 
Formula
ScPO4·2H2
Availability
Sold
Size
2 x 1.5 x 1 cm - Thumbnail 
Tagged
phosphate  

Spherical crystal about 0.3mm in size


Kolbeckite

Formula
ScPO4·2H2
Crystal System
Monoclinic 
Crystal Habit
Spherical 
Cleavage
Good, Indistinct, Indistinct 
Luster
Vitreous - Pearly 
Color
blue gray, colorless, greenish white, yellowish, light blue 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Conchoidal 
Hardness
SOLD
Leiteite - 41998
Leiteite - 41998

Leiteite

#41998
Locality
Tsumeb mine, Tsumeb, Namibia 
Formula
ZnAs3+2O4 
Availability
Sold
Size
3 x 1.5 x 1.5 cm - Thumbnail 
Special Info
Type Locality 

A thin plate of silvery micaceous Leiteite.  Ex George Gebhard specimen.


Leiteite

Formula
ZnAs3+2O4 
Crystal System
Monoclinic 
Cleavage
Perfect, None, None 
Luster
Pearly 
Color
brown, colorless, pearl white 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Sectile 
Hardness
1.5-2 
Special Info
Type Locality
Mineralpedia
View Leiteite
On Dakota Matrix
Previously Sold Leiteite
On Dakota Matrix
Other Available Leiteite
WebMineral
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Mindat
View Leiteite

Libethenite

#RW47653
Locality
Kolwezi, Shaba Cu belt, Democratic Republic of Congo 
Formula
Cu2PO4(OH) 
Availability
Sold
Size
8 x 6 x 3.5 cm - Sm Cabinet 
Tagged
phosphate , copper  

Dark green Libethenite crystals to 3mm with triangular faces. This is a sparkly and impressive specimen for Libethenite.  The underlying lighter green matrix is Malachite.


Libethenite

Formula
Cu2PO4(OH) 
Crystal System
Orthorhombic 
Crystal Habit
Prismatic, Druse, Globular 
Cleavage
Indistinct, Indistinct, None 
Luster
Vitreous - Greasy 
Color
green, dark green, blackish green, light olive green, dark olive green 
Streak
light green 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle 
Hardness
Collection
Robert J. Waidler Collection
SOLD
MANGANOSITE - 31571
MANGANOSITE - 31571

Manganosite

#31571
Locality
Taylor Mine, Franklin, Sussex Co., New Jersey, United States 
Formula
Mn2+
Availability
Sold
Size
2 x 1.5 x 1 cm - Thumbnail 
Special Info
XRD Confirmed 
Special Info
EDS Confirmed 

Thumbnail speciman, dark brown, massive.


Manganosite

Formula
Mn2+
Crystal System
Isometric 
Crystal Habit
Massive - Granular 
Cleavage
Perfect, Perfect, Perfect 
Luster
Adamantine 
Color
green, greenish black 
Streak
brown 
Class
Isometric - Hexoctahedral 
Hardness
5-6 
Special Info
XRD Confirmed
Special Info
EDS Confirmed

Minyulite

#BN45344
Locality
Lucin Hill, Box Elder Co., Utah, United States 
Formula
KAl2(PO4)2F·4H2
Availability
Sold
Size
9.5 x 8 x 5 cm - Cabinet 
Tagged
phosphate  

This locality has produced the finest and largest Minyulite in the world. This specimen, of cabinet size, has good coverage and a few large white sprays to over 8mm across.  Associated with colorless Wavelite.


Minyulite

Formula
KAl2(PO4)2F·4H2
Crystal System
Orthorhombic 
Crystal Habit
Acicular to prismatic crystals in radial goups. 
Cleavage
Perfect 
Luster
Silky 
Color
Mostly colorless, can also be green, white, light green 
Streak
white 
Class
Orthorhombic - Pyramidal 
Fracture
Uneven 
Hardness
3.5 
Collection
Dr. Buford L. Nichols Collection
Mineralpedia
View Minyulite
On Dakota Matrix
Previously Sold Minyulite
On Dakota Matrix
Other Available Minyulite
WebMineral
View Minyulite
Mindat
View Minyulite
SOLD
Mooihoekite - PD43350
Mooihoekite - PD43350

Mooihoekite

#PD43350
Locality
Oktyabr'skoe Cu-Ni deposit, Talnakh, Noril'sk, Siberia, Russia 
Formula
Cu9Fe9S16 
Availability
Sold
Size
2 x 1 x 1 cm - Thumbnail 
Tagged
sulfide  

Sulfide matrix with submicroscopic inclusions. Ferman Museum tag.


Mooihoekite

Formula
Cu9Fe9S16 
Crystal System
Tetragonal 
Crystal Habit
Granular 
Luster
Metallic 
Color
brass yellow, dark purple, pink brown 
Streak
black 
Class
Tetragonal - Scalenohedral 
Hardness
Collection
Phillips Collection

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