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0 item @ $0.00  

Mixed Minerals

Sunday, 15 November 2020 07:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including beryl, beudantite, cacoxenite, clausthalite, and dickite and more from places like Erongo Mountains, Karibib, Erongo Region, Namibia, Gilgit dist., Gilgit-Baltistan, Northern Areas, Pakistan, Mina Ojuela, Mapimi, Durango, Mexico, Brewer mine, Cedartown, Polk Co., Georgia, United States, Lerbach, Harz, Lower Saxony, Germany, and Lodev Uranium mine, Lodev, Haute Vienne, France.

SOLD
Beryl - 52656
Beryl - 52656

Beryl

var. aquamarine - #52656
Locality
Erongo Mountains, Karibib, Erongo Region, Namibia 
Formula
Be3Al2Si6O18 
Availability
Sold
Size
6.5 x 2.5 x 2.5 cm - Sm Cabinet 
Tagged
phosphate , pegmatite mineral  

Green, roughly terminated Beryl crystal.


Beryl

Formula
Be3Al2Si6O18 
Crystal System
Hexagonal 
Crystal Habit
Crystalline - Coarse, Prismatic, Columnar 
Cleavage
Imperfect, None, None 
Luster
Vitreous - Resinous 
Color
green, blue, yellow, colorless, pink 
Streak
white 
Class
Hexagonal - Dihexagonal Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness
7.5-8 
Collection
Barbara Cureton Collection
Mineralpedia
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Previously Sold Beryl
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Beryl

aquamarine - #AH54527
Locality
Gilgit dist., Gilgit-Baltistan, Northern Areas, Pakistan 
Formula
Be3Al2Si6O18 
Availability
Available
Price
$325.00
Size
6 x 6.5 x 5 cm - Sm Cabinet 
Tagged
beryllium , pegmatite mineral  

Showy, gemmy aquamarine crystal with a good termination showing beveled edges. It is naturally incomplete on one side.


Beryl

Formula
Be3Al2Si6O18 
Crystal System
Hexagonal 
Crystal Habit
Crystalline - Coarse, Prismatic, Columnar 
Cleavage
Imperfect, None, None 
Luster
Vitreous - Resinous 
Color
green, blue, yellow, colorless, pink 
Streak
white 
Class
Hexagonal - Dihexagonal Dipyramidal 
Fracture
Brittle - Conchoidal 
Hardness
7.5-8 
Collection
Arnold G Hampson Collection
Mineralpedia
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Previously Sold Beryl
On Dakota Matrix
Other Available Beryl
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Mindat
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Beudantite

#54557
Locality
Mina Ojuela, Mapimi, Durango, Mexico 
Formula
PbFe3+3(AsO4)(SO4)(OH)6 
Availability
Available
Price
$35.00
Size
2.5 x 1.5 x 1 cm - Thumbnail 
Tagged
arsenate  

Micro greenish-yellow crystals.


Beudantite

Formula
PbFe3+3(AsO4)(SO4)(OH)6 
Crystal System
Trigonal 
Crystal Habit
Blocky - Rhombohedral, Druse, Platy 
Cleavage
Perfect, None, None 
Luster
Adamantine 
Color
brown, green, yellow, dark green, orange 
Streak
greenish yellow 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Brittle 
Hardness

Cacoxenite

#54556
Locality
Brewer mine, Cedartown, Polk Co., Georgia, United States 
Formula
(Fe3+)24AlO6(PO4)17(OH)12·75H2
Availability
Sold
Size
4 x 4 x 1 cm - Miniature 
Tagged
phosphate  

Orange fibrous radial sprays to 1.5mm. Good coverage.


Cacoxenite

Formula
(Fe3+)24AlO6(PO4)17(OH)12·75H2
Crystal System
Hexagonal 
Crystal Habit
Radial, Acicular, Stellate 
Cleavage
None, None, None 
Luster
Silky 
Color
brownish yellow, green, yellow, golden yellow, red yellow 
Streak
yellow 
Class
Hexagonal - Dihexagonal Dipyramidal 
Fracture
Uneven 
Hardness
3-3.5 

Clausthalite

with Hematite - #50386
Locality
Lerbach, Harz, Lower Saxony, Germany 
Formula
PbSe 
Availability
Available
Price
$175.00
Size
4 x 3.5 x 3 cm - Miniature 
Tagged
sulfide  

Silvery masses embedded in matrix and the cylinder from microprobe.


Clausthalite

Formula
PbSe 
Crystal System
Isometric 
Crystal Habit
Euhedral Crystals, Massive - Granular, Granular 
Cleavage
Perfect, Perfect, Perfect 
Luster
Metallic 
Color
lead gray, blue gray, grayish black 
Streak
grayish black 
Class
Isometric - Hexoctahedral 
Fracture
Brittle 
Hardness
2.5 

Dickite

#8065
Locality
Lodev Uranium mine, Lodev, Haute Vienne, France 
Formula
Al2Si2O5(OH)4 
Availability
Sold
Size
3 x 2 x 3 cm - Thumbnail 

White pearly micro crystals.


Dickite

Formula
Al2Si2O5(OH)4 
Crystal System
Monoclinic 
Crystal Habit
Earthy 
Cleavage
Perfect, None, None 
Luster
Pearly 
Color
blue, colorless, gray, yellow brown, white 
Streak
white 
Class
Monoclinic - Domatic 
Fracture
Earthy 
Hardness
1.5-2 
Mineralpedia
View Dickite
On Dakota Matrix
Previously Sold Dickite
On Dakota Matrix
Other Available Dickite
WebMineral
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Mindat
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