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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: 8AF-XNT
$852
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 14th Sep 2021 - specimen may no longer be available

From: Mineral Classics
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See Also

Bournonite
Viboras Mine, Machacamarca, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosi Department, Bolivia
$538
34mm x 25mm x 4mm
From: Mineral Classics
Bournonite
Viboras Mine, Machacamarca, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosi Department, Bolivia
$449
42mm x 26mm x 25mm
From: Mineral Classics
Bournonite
Viboras Mine, Machacamarca, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosi Department, Bolivia
$336
31mm x 30mm x 19mm
From: Mineral Classics
Bournonite (“cogwheels”)
Viboras Mine, Machacamarca, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosi Department, Bolivia
$314
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
$292
29mm x 22mm x 19mm
From: Mineral Classics
Bournonite on Quartz
Viboras Mine, Machacamarca, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosi Department, Bolivia
$269
62mm x 54mm x 32mm
From: Mineral Classics
Bournonite on Quartz
Viboras Mine, Machacamarca, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosi Department, Bolivia
$202
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
$112
91mm x 47mm x 38mm
From: Mineral Classics
Bournonite
Viboras Mine, Machacamarca mining dstrict, Cornelio Saavedra Province, Potosi, Bolivia
$315 *
48mm x 38mm x 20mm
From: Taranis Minerals
Bournonite with Pyrite
Casapalca Mine, Huarochiri, Lima, Peru
$55
28mm x 23mm x 10mm
From: Weinrich Minerals
Bournonite with Pyrite
Quiruvilca Mine, La Libertad, Peru
$55
65mm x 45mm x 40mm
From: Weinrich Minerals
Ludlamite on Pyrite
Huanuni Mine | Huanuni | Dalence Province | Oruro Department | Bolivia
$962 *
75mm x 47mm x 33mm
From: Wendel Minerals
Vivianite with Pyrite
Morococala Mine, Santa Fe Mining District, near Morococala, Dalence Province, Oruro Department, Bolivia
$525
39mm x 32mm x 20mm
From: Bob Griffis Minerals
Bournonite (“cogwheel”)
Viboras Mine, Machacamarca, Potosi Department, Bolivia" />
$157
22mm x 17mm x 10mm
From: Mineral Classics
Galena on Sphalerite, with Ankerite, Pyrite, and Chalcopyrite
Eagle Mine, Gilman District, Eagle County, Colorado, USA
$850
195mm x 148mm x 72mm
From: Bob Griffis Minerals
* price is an approximate conversion and may not be accurate.

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