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Mixed Minerals

Friday, 14 July 2017 05:00 PM

Introducing the "Mixed Minerals" gallery which is part of our New Additions galleries. This gallery contains mineral specimens for sale including proustite, roselite, and tennantite and more from places like O'Brien mine, Cobalt, Ontario, Canada, Bou Azzer dist., Anti-Atlas, Morocco, and Mountain Consolidated mine, Butte, Silver Bow Co., Montana, United States.

Proustite

with Safflorite - #RW47188
Locality
O'Brien mine, Cobalt, Ontario, Canada 
Formula
Ag3AsS3 
Availability
Available
Price
$225.00
Size
7.5 x 6.5 x 5 cm - Sm Cabinet 
Tagged
sulfide , silver  

Cherry red needles of Proustite to 3mm in several vugs with Safflorite matrix. Within the matrix are many silvery crystals of Safflorite and possibly Acanthite. This is a real nice which will give anyone a thrill while viewing this under the microscope.


Proustite

Formula
Ag3AsS3 
Crystal System
Trigonal 
Crystal Habit
Massive, Crystalline - Poor, Blocky 
Cleavage
None, None, None 
Luster
Sub Metallic 
Color
vermilion, reddish gray 
Streak
vermilion red 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Brittle - Sectile 
Hardness
2-2.5 
Collection
Robert J. Waidler Collection
Mineralpedia
View Proustite
On Dakota Matrix
Previously Sold Proustite
On Dakota Matrix
Other Available Proustite
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Mindat
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Roselite

with Cobaltaustinte - #39571
Locality
Bou Azzer dist., Anti-Atlas, Morocco 
Formula
Ca2Co(AsO4)2·2H2
Availability
Available
Price
$75.00
Size
9 x 6.5 x 5 cm - Sm Cabinet 
Tagged
arsenate  

Purplish red Roselite crystals to 4mm in vugs with green Cobaltaustinite. The matrix is Skutterudite and Dolomite.


Roselite

Formula
Ca2Co(AsO4)2·2H2
Crystal System
Monoclinic 
Crystal Habit
Mammillary, Spherical, Druse 
Cleavage
Perfect, Good, None 
Luster
Vitreous (Glassy) 
Color
dark rose red, pink 
Streak
light red 
Class
Monoclinic - Prismatic 
Hardness
3.5 
Mineralpedia
View Roselite
On Dakota Matrix
Previously Sold Roselite
On Dakota Matrix
Other Available Roselite
WebMineral
View Roselite
Mindat
View Roselite

Tennantite

#RW47165
Locality
Mountain Consolidated mine, Butte, Silver Bow Co., Montana, United States 
Formula
Cu12As4S13 
Availability
Sold
Size
6 x 5.5 x 2 cm - Sm Cabinet 
Tagged
sulfide , copper  

Dull black crude crystals of Tennantite to 6mm.


Tennantite

Formula
Cu12As4S13 
Crystal System
Isometric 
Crystal Habit
Massive - Granular, Massive, Disseminated 
Cleavage
None, None, None 
Luster
Metallic 
Color
steel gray, black 
Streak
reddish gray 
Class
Isometric - Hextetrahedral 
Fracture
Hackly 
Hardness
3.5-4 
Collection
Robert J. Waidler Collection

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