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Mixed Minerals

Friday, 04 June 2021 05:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including kinoite, kuksite, melanarsite, nevadaite, and owyheeite and more from places like Christmas mine, Gila Co., Arizona, United States, Black Pine mine, Philipsburg, Granite Co., Montana, United States, Tolbachik Volcano, Kamchatka, Russia, Gold Quarry mine, Eureka Co., Nevada, United States, and Morey dist., Nye Co., Nevada, United States.

Kinoite

with Ruizite & Apophyllite - #55910
Locality
Christmas mine, Gila Co., Arizona, United States 
Formula
Ca2Cu2Si3O10·2H2
Availability
Sold
Size
6 x 5 x 4 cm - Sm Cabinet 
Tagged
copper  

Tiny, less than 0.2mm, deep blue Kinoite scattered atop Apophyllite. The Apophyllite is over the Ruizite.


Kinoite

Formula
Ca2Cu2Si3O10·2H2
Crystal System
Monoclinic 
Cleavage
Perfect, Distinct, Distinct 
Luster
Vitreous (Glassy) 
Color
azure blue 
Streak
bluish white 
Class
Monoclinic - Prismatic 
Hardness
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Kuksite

with Aurichalcite, Dufrenite, & Bayldonite - #55907
Locality
Black Pine mine, Philipsburg, Granite Co., Montana, United States 
Formula
Pb3Zn3Te6+O6(PO4)2 
Availability
Sold
Size
7 x 4.5 x 4 cm - Sm Cabinet 
Tagged
phosphate , tellurium  
Special Info
EDS Confirmed 

Kuksite is all over this specien, but it is really tiny (less than 0.3mm). The first two photos represent the thickest coverage. Pretty much all the white, pearly crystals are the Kuksite. There are also several bead-like green crystals throughout the vuggy specimen. The darker green is Duftite and the lighter green is the Bayldonite. The Aurichalcite is the typical color for that mineral, and you can see it on the Duftite. Overall a great specimen with a lot going on.....


Kuksite

Formula
Pb3Zn3Te6+O6(PO4)2 
Crystal System
Orthorhombic 
Crystal Habit
Tabular 
Cleavage
Perfect, None, None 
Luster
Adamantine 
Color
gray 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle 
Hardness
Special Info
EDS Confirmed
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Kuksite

with Silver &Tyrolite - #55908
Locality
Black Pine mine, Philipsburg, Granite Co., Montana, United States 
Formula
Pb3Zn3Te6+O6(PO4)2 
Availability
Available
Price
$125.00
Size
4.5 x 4.5 x 3.5 cm - Miniature 
Tagged
phosphate , tellurium  
Special Info
EDS Confirmed 

Little white pearly crystal groups of Kuksite to less than 0.5mm. The specimen is brecciated with Silver occuring in the cracks here-and-there. There is also minor Tyrolite.


Kuksite

Formula
Pb3Zn3Te6+O6(PO4)2 
Crystal System
Orthorhombic 
Crystal Habit
Tabular 
Cleavage
Perfect, None, None 
Luster
Adamantine 
Color
gray 
Streak
white 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle 
Hardness
Special Info
EDS Confirmed
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Melanarsite

#52412
Locality
Tolbachik Volcano, Kamchatka, Russia 
Formula
K3Cu7Fe3+O4(AsO4)4 
Availability
Sold
Size
1.5 x 1 x 1 cm - Thumbnail 
Tagged
arsenate , copper  
Special Info
XRD Confirmed 
Special Info
EDS Confirmed 
Special Info
Type & Only Locality 
Special Info
Author's Material 

Black, shiny, platelets less than 0.5mm throughout the mass.

The specimen originated from Dr. Igor Pekov, who was the lead author of the minerals when described in 2014. 

The exact locality is: Arsenatnaya fumarole, Second scoria cone, Northern Breakthrough (North Breach), Great Fissure eruption (Main Fracture), Tolbachik volcano, Kamchatka Krai, Russia


Special Info
XRD Confirmed
Special Info
EDS Confirmed
Special Info
Type & Only Locality
Special Info
Author's Material

Nevadaite

with Fluellite - #BN55889
Locality
Gold Quarry mine, Eureka Co., Nevada, United States 
Formula
(Cu2+,□,Al,V3+)6[Al8(PO4)8F8](OH)2·22H2
Availability
Sold
Size
2.7 x 1.8 x 1.2 cm - Thumbnail 
Tagged
phosphate , copper  

Excellent specimen with robin's egg blue spherulites and acciular bunches with yellow Fluellite.


Nevadaite

Formula
(Cu2+,[ ],Al,V3+)6[Al8(PO4)8F8](OH)2·22H2
Crystal System
Orthorhombic 
Crystal Habit
Radial, Crystalline - Fine, Acicular 
Cleavage
None, None, None 
Luster
Vitreous (Glassy) 
Color
pale green, turquoise 
Streak
pale powder blue 
Class
Orthorhombic - Disphenoidal 
Fracture
Conchoidal 
Hardness
Collection
Dr. Buford Nichols Collection
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Owyheeite

#55097
Locality
Morey dist., Nye Co., Nevada, United States 
Formula
Ag3Pb10Sb11S28 
Availability
Sold
Size
4 x 3.5 x 3 cm - Miniature 
Tagged
sulfide , silver  

Radiating groups in matrix to 2mm. Rich.


Owyheeite

Formula
Ag3Pb10Sb11S28 
Crystal System
Orthorhombic 
Crystal Habit
Acicular, Massive - Fibrous, Fibrous 
Cleavage
Perfect, None, None 
Luster
Metallic 
Color
lead gray, gray blue, yellowish, silver gray 
Streak
reddish brown 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle 
Hardness
2.5 
Mineralpedia
View Owyheeite
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On Dakota Matrix
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Mindat
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