Bournonite (Ref: LP378)
Machacamarca District, Potosi Department, Bolivia
80mm x 60mm x 50mm
$1500
Matrix specimen loaded with large silvery metallic 'cogwheels' of Bournonite. The crystals reach 2.5 cm wide and are present on front, sides and back (both front and back shown in photos). All are in good condition except one on the back and one on the left side with a chip facing towards the back. There are small Pyrite and Sphalerite crystals coating the matrix.Data last checked on 23rd Aug 2025
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From: Marin Minerals
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To purchase this mineral you need to click the button above to transfer to the dealer's website. This will open in a new window. Price shown here does not include shipping costs, always confirm price on dealer website before ordering.
Please tell the dealer you found this mineral on minfind.com - help keep minfind.com alive again!
All photos for this item are copyright © Marin Minerals and may not be used for any other purpose without permission.
See Also
Bournonite (excellent “cogwheel”) on Pyrite
Viboras Mine, Machacamarca, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosi Department, Bolivia
$853
40mm x 27mm x 17mm
From: Mineral Classics
Bournonite
Yaogangxian Mine, Yizhang Co., Chenzhou Prefecture, Hunan Province, China
$1750
30mm x 20mm x 10mm
From: The Arkenstone
Bournonite
Yaogangxian Mine, Yizhang County, Chenzhou Prefecture, Hunan Province, China
$1250
31mm x 20mm x 13mm
From: Bob Griffis Minerals
Bournonite
Viboras Mine, Machacamarca, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosi Department, Bolivia
$539
34mm x 25mm x 4mm
From: Mineral Classics
Bournonite
Yaogangxian Mine, Yizhang Co., Chenzhou Prefecture, Hunan Province, China
$1800
40mm x 30mm x 20mm
From: The Arkenstone
Bournonite
Yaogangxian Mine, Yizhang Co., Chenzhou Prefecture, Hunan Province, China
$1200
30mm x 20mm x 20mm
From: The Arkenstone
Bournonite
Neue Hoffnung Gottes Mine | Bräunsdorf | Freiberg | Erzgebirge | Saxony | Germany
$1924 *
52mm x 36mm x 23mm
From: Wendel Minerals
Bournonite
Yaogangxian Mine, Yizhang Co., Chenzhou, Hunan, China
$1800
40mm x 30mm x 30mm
From: The Arkenstone
Bournonite
Viboras Mine, Machacamarca, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosi Department, Bolivia
$449
42mm x 26mm x 25mm
From: Mineral Classics
Boulangerite ps. Bournonite, with Chalcopyrite and Quartz
Yaogangxian Mine, Yizhang Co., Chenzhou, Hunan, China
$1000
50mm x 10mm x 10mm
From: The Arkenstone
Bournonite
Viboras Mine, Machacamarca, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosi Department, Bolivia
$337
31mm x 30mm x 19mm
From: Mineral Classics
Bournonite with Quartz and Fluorite
Yaogangxian Mine, Yizhang Co., Chenzhou, Hunan, China
$950
40mm x 20mm x 10mm
From: The Arkenstone
Bournonite (“cogwheels”)
Viboras Mine, Machacamarca, Machacamarca District (Colavi District), Cornelio Saavedra Province, Potosi Department, Bolivia
$314
37mm x 20mm x 12mm
From: Mineral Classics