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Mixed Minerals

Sunday, 05 January 2020 05:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including cinnabar, cuprite, cuprosklodowskite, elbaite, eucryptite, and fluorite and more from places like Pine Mountain, Mazatal Mtns., Gila Co., Arizona, United States, Ray mine area, Pinal Co., Arizona, United States, Musonoi mine, Kolwezi, Shaba Cu belt, Democratic Republic of Congo, Himalaya mine, San Diego Co., California, United States, Branchville, Fairfield Co., Connecticut, United States, and Frunthorn, Vals Valley, Grischun, Switzerland.

Cinnabar

#AH52072
Locality
Pine Mountain, Mazatal Mtns., Gila Co., Arizona, United States 
Formula
HgS 
Availability
Sold
Size
9 x 6 x 2.5 cm - Sm Cabinet 
Tagged
sulfide  

Red grains of Cinnabar in Calcite. It is a locality specimen. Obtained by Hampson in 1967.


Cinnabar

Formula
HgS 
Crystal System
Trigonal 
Crystal Habit
Druse, Disseminated, Massive 
Cleavage
Perfect, None, None 
Luster
Adamantine 
Color
lead gray, brown, brown pink, vermilion, gray 
Streak
bright red 
Class
Trigonal - Trapezohedral 
Fracture
Brittle - Sectile 
Hardness
2-2.5 
Collection
Arnold G Hampson Collection
Mineralpedia
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On Dakota Matrix
Previously Sold Cinnabar
On Dakota Matrix
Other Available Cinnabar
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Cuprite

on Copper - #AH52052
Locality
Ray mine area, Pinal Co., Arizona, United States 
Formula
Cu1+2
Availability
Sold
Size
9 x 7 x 5 cm - Sm Cabinet 
Tagged
copper  

Nice specimen of deep red Cuprite crystals to 1mm coating native Copper. 


Cuprite

Formula
Cu1+2
Crystal System
Isometric 
Crystal Habit
Massive - Granular, Capillary 
Cleavage
Imperfect, None, None 
Luster
Adamantine 
Color
brown red, purple red, red, black 
Streak
brownish red 
Class
Isometric - Hexoctahedral 
Fracture
Brittle - Conchoidal 
Hardness
3.5-4 
Collection
Arnold G Hampson Collection
Mineralpedia
View Cuprite
On Dakota Matrix
Previously Sold Cuprite
On Dakota Matrix
Other Available Cuprite
WebMineral
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Mindat
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Cuprosklodowskite

with Vandenbrandeite - #52090
Locality
Musonoi mine, Kolwezi, Shaba Cu belt, Democratic Republic of Congo 
Formula
Cu(UO2)2(SiO3OH)2·6H2
Availability
Available
Price
$350.00
Size
6.5 x 3.5 x 3 cm - Sm Cabinet 
Tagged
copper  
Special Info
Radioactive!! 

Bright green sprays of Cuprosklodowskite with dark micro Vandenbrandeite. Radioactive!

I would prefer to deliver this to Tucson, if the buyer is going.


Cuprosklodowskite

Formula
Cu(UO2)2(SiO3OH)2·6H2
Crystal System
Triclinic 
Crystal Habit
Acicular, Radial 
Cleavage
Good, None, None 
Luster
Vitreous - Silky 
Color
grass green, green yellow, light green 
Streak
greenish yellow 
Class
Triclinic - Pinacoidal 
Fracture
Uneven 
Hardness
Special Info
Radioactive!!

Elbaite

tourmailne - #AH52087
Locality
Himalaya mine, San Diego Co., California, United States 
Formula
Na(Al1.5Li1.5)Al6(BO3)3Si6O18(OH)4 
Availability
Available
Price
$295.00
Size
5 x 2.5 x 2.5 cm - Miniature 

Stubby pink tourmaline with deep striations and a thin blue cap terminations. It's not perfect, there are a few chips along the corners of the terminatio and it is dull not real lustrous. It's priced accordingly.


Elbaite

Formula
Na(Al1.5Li1.5)Al6(BO3)3Si6O18(OH)4 
Crystal System
Trigonal 
Crystal Habit
Striated, Prismatic 
Cleavage
Indistinct, None, None 
Luster
Vitreous (Glassy) 
Color
blue, colorless, green, yellow, white 
Streak
white 
Class
Trigonal - Ditrigonal Pyramidal 
Fracture
Sub Conchoidal 
Hardness
7.5 
Collection
Arnold G Hampson Collection
Mineralpedia
View Elbaite
On Dakota Matrix
Previously Sold Elbaite
On Dakota Matrix
Other Available Elbaite
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Mindat
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Eucryptite

#AH52073
Locality
Branchville, Fairfield Co., Connecticut, United States 
Formula
LiAlSiO4 
Availability
Sold
Size
6 x 6 x 2 cm - Sm Cabinet 
Tagged
lithium  
Special Info
Fluorescent 

A thick plate of dull, white Eucryptite, best identified by its deep red fluorescences. The specimen was obtained by Hampson in 1961 from Gunnar Bjareby. 


Eucryptite

Formula
LiAlSiO4 
Crystal System
Trigonal 
Cleavage
Indistinct, None, None 
Luster
Vitreous (Glassy) 
Color
brown, colorless, white 
Streak
white 
Class
Trigonal - Rhombohedral 
Fracture
Brittle - Conchoidal 
Hardness
6.5 
Collection
Arnold G Hampson Collection
Special Info
Fluorescent
SOLD
Fluorite - AH52067
Fluorite - AH52067

Fluorite

#AH52067
Locality
Frunthorn, Vals Valley, Grischun, Switzerland 
Formula
CaF2 
Availability
Sold
Size
1 x 0.9 x 1.2 cm - Thumbnail 

Set of red octahedral crystals - very clear and lustrous.


Fluorite

Formula
CaF2 
Crystal System
Isometric 
Crystal Habit
Crystalline - Coarse, Massive - Granular, Disseminated 
Cleavage
Three perfect, octahedral cleavages. 
Luster
Vitreous (Glassy) 
Color
purple, clear, yellow, green, red, blue 
Streak
white 
Geological Setting
Occurs in a wide range of geologic environments including low temperature Missississippi Valley lead-zinc deposits, hydrothermal gold deposits, Alpine cleft metamorphic environments  
Class
Isometric - Hexoctahedral 
Fracture
Uneven 
Hardness
Collection
Arnold G Hampson Collection
Mineralpedia
View Fluorite
On Dakota Matrix
Previously Sold Fluorite
On Dakota Matrix
Other Available Fluorite
WebMineral
View Fluorite
Mindat
View Fluorite

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