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Mixed Minerals

Friday, 06 January 2017 05:30 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including aenigmatite, argyrodite, bayldonite, canasite, carminite, and carnotite and more from places like Eveslogchorr Mt, Khibiny Massif, Kola Peninsula, Russia, Colquechaca, Potosi dept., Bolivia, San Rafael mine, Nye Co., Nevada, United States, Kirovskii mine, Kukisvumchorr Mt., Khibiny Massif, Kola Peninsula, Russia, and Anderson mine, Yavapai Co., Arizona, United States.

Aenigmatite

in syenite - #PD46101
Locality
Eveslogchorr Mt, Khibiny Massif, Kola Peninsula, Russia 
Formula
Na4(Fe2+10Ti2)O4[Si12O36
Availability
Sold
Size
7 x 6 x 2.5 cm - Sm Cabinet 

Large to small black bladed crystals. The largest is 2.5cm and is brocken at the tip from matrix. There are thousands of smaller crystals with other minerals in typical, quartz-poor syenite matrix.


Aenigmatite

Formula
Na4(Fe2+10Ti2)O4[Si12O36
Crystal System
Triclinic 
Crystal Habit
Lamellar 
Cleavage
Perfect, None, None 
Luster
Subadamantine 
Color
brown, black 
Streak
reddish brown 
Class
Triclinic - Pinacoidal 
Hardness
5-6 
Collection
Phillips Collection

Argyrodite

with Pyrargyrite - #BM46117
Locality
Colquechaca, Potosi dept., Bolivia 
Formula
Ag8GeS6 
Availability
Sold
Size
4 x 3.5 x 2 cm - Miniature 
Tagged
silver  
Special Info
EDS Confirmed 

Black metallic mass which is moslty composed of Pyrargyite (EDS). There are tiny 1mm and less crystals which have tested out by EDS to be Argyrodite. You need a microscope to see the Argyrodite crystals which are camouflaged well by the Pyrargyrite. It is an old specimen that originated with Don Phillips, who sold it to Bill McConlogue, both of who sold their collections to me. As you can see someone glued a label on it prior to Phillips obtaining the specimen. I do not have an original label however. 


Argyrodite

Formula
Ag8GeS6 
Crystal System
Orthorhombic 
Crystal Habit
Subhedral Crystals, Massive - Granular 
Cleavage
None, None, None 
Luster
Metallic 
Color
black, steel gray 
Streak
grayish black 
Class
Orthorhombic - Pyramidal 
Fracture
Brittle - Conchoidal 
Hardness
2.5 
Collection
McConlogue Collection
Special Info
EDS Confirmed

Bayldonite

with Agardite, Wulfenite & Mimetite - #46112
Locality
San Rafael mine, Nye Co., Nevada, United States 
Formula
Cu3PbO(AsO3OH)2(OH)2 
Availability
Sold
Size
7 x 5 x 1.5 cm - Sm Cabinet 
Tagged
arsenate , copper  

Fine bright green microcrystalline coatings with blonde, tiny 1mm and less Wulfenite crystals. In association are gorgeous bluish green, acicular sprays of Agardite. This is a very nice specimen from this mine. It was originally in Bill Wise collection. His notes on the specimen are that it came from the "Wulfenite" stope, 3rd level from May, 1986.


Bayldonite

Formula
Cu3PbO(AsO3OH)2(OH)2 
Crystal System
Monoclinic 
Crystal Habit
Encrustations, Mammillary, Druse 
Cleavage
None, None, None 
Luster
Greasy (Oily) 
Color
grass green, yellow green, dark green 
Streak
green 
Class
Monoclinic - Prismatic 
Fracture
Uneven 
Hardness
4.5 
SOLD
Canasite - PD46110
Canasite - PD46110

Canasite

with Arfvedsonite - #PD46110
Locality
Kirovskii mine, Kukisvumchorr Mt., Khibiny Massif, Kola Peninsula, Russia 
Formula
K3Na3Ca5Si12O30(OH)4 
Availability
Sold
Size
2.5 x 1.5 x 1 cm - Thumbnail 

Yellow translucent crystalline grain in Aegerine saddle.


Canasite

Formula
K3Na3Ca5Si12O30(OH)4 
Crystal System
Monoclinic 
Cleavage
Perfect, None, None 
Luster
Vitreous (Glassy) 
Color
brownish yellow, green yellow, light green 
Streak
white 
Class
Monoclinic - Prismatic 
Hardness
Collection
Phillips Collection
On Dakota Matrix
Previously Sold Canasite
On Dakota Matrix
Other Available Canasite
WebMineral
View Canasite
Mindat
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Carminite

with Segnitite - #46122
Locality
San Rafael mine, Nye Co., Nevada, United States 
Formula
PbFe3+2(AsO4)2(OH)2 
Availability
Available
Price
$65.00
Size
3.5 x 1 x 1 cm - Miniature 
Tagged
arsenate  

Deep red acicular crystals as random singles and fans to about 1mm and less with yellow Segnitite. It is for San Rafael rare and one of the better I have.


Carminite

Formula
PbFe3+2(AsO4)2(OH)2 
Crystal System
Orthorhombic 
Crystal Habit
Lath, Acicular 
Cleavage
Distinct, None, None 
Luster
Vitreous - Pearly 
Color
carmine red, reddish brown 
Streak
reddish yellow 
Class
Orthorhombic - Dipyramidal 
Fracture
Brittle 
Hardness
3.5 
Mineralpedia
View Carminite
On Dakota Matrix
Previously Sold Carminite
On Dakota Matrix
Other Available Carminite
WebMineral
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Mindat
View Carminite
SOLD
Carnotite - 46093
Carnotite - 46093

Carnotite

with Weeksite - #46093
Locality
Anderson mine, Yavapai Co., Arizona, United States 
Formula
K2(UO2)2(VO4)2·3H2
Availability
Sold
Size
7 x 4 x 1.5 cm - Sm Cabinet 
Special Info
Radioactive!! 

Orange micro crystals of Carnotite with yellow Weeksite. Radioactive.


Carnotite

Formula
K2(UO2)2(VO4)2·3H2
Crystal System
Monoclinic 
Crystal Habit
Earthy, Encrustations, Platy 
Cleavage
Perfect, None, None 
Luster
Pearly 
Color
yellow, golden yellow, greenish yellow 
Streak
light yellow 
Class
Monoclinic - Prismatic 
Fracture
Uneven 
Hardness
Special Info
Radioactive!!

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