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Bournonite (“cogwheel”-esque twins)
Bournonite (“cogwheel”-esque twins) Bournonite (“cogwheel”-esque twins) Bournonite (“cogwheel”-esque twins)
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Bournonite (“cogwheel”-esque twins) (Ref: 821514101)

Viboras Mine, Machacamarca, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosi Department, Bolivia
29mm x 22mm x 19mm
minID: P1K-88N
$314
A hard to find cogwheel-esque group of sharp, fairly thick, blocky modified twinned crystals of Bournonite with excellent luster and aesthetics. The piece would be classified as a large thumbnail / small toenail, and displays well from several angles (my favorite being the last picture). The stacke
Data last checked on 14th Sep 2021 - specimen may no longer be available

From: Mineral Classics
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See Also

Bournonite on Quartz
Viboras Mine, Machacamarca, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosi Department, Bolivia
$290
62mm x 54mm x 32mm
From: Mineral Classics
Bournonite (“cogwheels”)
Viboras Mine, Machacamarca, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosi Department, Bolivia
$338
37mm x 20mm x 12mm
From: Mineral Classics
Bournonite
Viboras Mine, Machacamarca, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosi Department, Bolivia
$362
31mm x 30mm x 19mm
From: Mineral Classics
Bournonite on Quartz
Viboras Mine, Machacamarca, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosi Department, Bolivia
$218
29mm x 16mm x 15mm
From: Mineral Classics
Bournonite
Viboras Mine, Machacamarca, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosi Department, Bolivia
$483
42mm x 26mm x 25mm
From: Mineral Classics
Bournonite (“cogwheel”) on matrix
Viboras Mine, Machacamarca, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosi Department, Bolivia
$121
91mm x 47mm x 38mm
From: Mineral Classics
Bournonite
Viboras Mine, Machacamarca, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosi Department, Bolivia
$580
34mm x 25mm x 4mm
From: Mineral Classics
Bournonite (unique specimen)
Viboras Mine, Machacamarca, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosi Department, Bolivia
$773
103mm x 65mm x 27mm
From: Mineral Classics
Bournonite (excellent “cogwheel”) on Pyrite
Viboras Mine, Machacamarca, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosi Department, Bolivia
$918
40mm x 27mm x 17mm
From: Mineral Classics
Bournonite
Viboras Mine, Machacamarca mining dstrict, Cornelio Saavedra Province, Potosi, Bolivia
$355 *
48mm x 38mm x 20mm
From: Taranis Minerals
Bournonite (“cogwheel”)
Viboras Mine, Machacamarca, Potosi Department, Bolivia" />
$169
22mm x 17mm x 10mm
From: Mineral Classics
Bournonite
Machacamarca District, Potosi Department, Bolivia
$400
50mm x 40mm x 25mm
From: Marin Minerals
Bournonite on Sphalerite
Machacamarca Mine, Potosí Department, Bolivia
$200
82mm x 60mm x 30mm
From: Marin Minerals
Bournonite
Machacamarca Mine, Potosi Dept., Bolivia
$150
25mm x 23mm x 15mm
From: Marin Minerals
Bournonite
Machacamarca Mine, Potosi Dept., Bolivia
$90
24mm x 23mm x 15mm
From: Marin Minerals
* price is an approximate conversion and may not be accurate.

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