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Bournonite (excellent “cogwheel”) on Pyrite
Bournonite (excellent “cogwheel”) on Pyrite Bournonite (excellent “cogwheel”) on Pyrite Bournonite (excellent “cogwheel”) on Pyrite Bournonite (excellent “cogwheel”) on Pyrite
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Bournonite (excellent “cogwheel”) on Pyrite (Ref: 807621198)

Viboras Mine, Machacamarca, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosi Department, Bolivia
40mm x 27mm x 17mm
minID: 9QE-C2C
$736
Without question, this is one of the finest matrix “cogwheel” Bournonites that I have handled/owned and offered for sale. I honestly don’t keep much from Bolivia for my personal collection, and I almost never keep the best piece from any lot, but this one was really special, so much so that I
Data last checked on 23rd Aug 2021 - specimen may no longer be available

From: Mineral Classics
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See Also

Bournonite (unique specimen)
Viboras Mine, Machacamarca, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosi Department, Bolivia
$619
103mm x 65mm x 27mm
From: Mineral Classics
Bournonite
Viboras Mine, Machacamarca, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosi Department, Bolivia
$465
34mm x 25mm x 4mm
From: Mineral Classics
Bournonite
Viboras Mine, Machacamarca, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosi Department, Bolivia
$387
42mm x 26mm x 25mm
From: Mineral Classics
Bournonite
Viboras Mine, Machacamarca, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosi Department, Bolivia
$290
31mm x 30mm x 19mm
From: Mineral Classics
Bournonite (“cogwheels”)
Viboras Mine, Machacamarca, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosi Department, Bolivia
$271
37mm x 20mm x 12mm
From: Mineral Classics
Bournonite (“cogwheel”-esque twins)
Viboras Mine, Machacamarca, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosi Department, Bolivia
$252
29mm x 22mm x 19mm
From: Mineral Classics
Bournonite on Quartz
Viboras Mine, Machacamarca, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosi Department, Bolivia
$232
62mm x 54mm x 32mm
From: Mineral Classics
Bournonite on Quartz
Viboras Mine, Machacamarca, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosi Department, Bolivia
$174
29mm x 16mm x 15mm
From: Mineral Classics
Bournonite (“cogwheel”) on matrix
Viboras Mine, Machacamarca, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosi Department, Bolivia
$97
91mm x 47mm x 38mm
From: Mineral Classics
Bournonite with Galena and Pyrite
Huanzala Mine, Huallanca District, Dos de Mayo Province, Huánuco Department  Peru
$446 *
55mm x 41mm x 47mm
From: Fabre Minerals
Bournonite
Viboras mine, Machacamarca, Potosi, Bolivia
$215
50mm x 50mm x 30mm
From: Weinrich Minerals
Bournonite with Sphalerite and Pyrite
Herja Mine, Chiuzbaia, Baia Sprie, Maramures  Romania
$681 *
115mm x 102mm x 41mm
From: Fabre Minerals
Bournonite with Pyrite
Yaogangxian mine, Hunan, China
$500
27mm x 14mm x 12mm
From: Weinrich Minerals
Bournonite with Sphalerite, Pyrite after Pyrrhotite and Galena
Stan Trg (Stari Trg) Mine, Trepča Complex, Trepča Valley, Kosovska Mitrovica, Kosovska Mitrovica District  Kosovo
$282 *
97mm x 46mm x 28mm
From: Fabre Minerals
Bournonite with Tetrahedrite, Sphalerite, Pyrite, Quartz
Black Pine mine, Granite Co., Montana, USA
$225
50mm x 35mm x 25mm
From: Weinrich Minerals
* price is an approximate conversion and may not be accurate.

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