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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
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
From: Mineral Classics
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See Also

Bournonite
Viboras Mine, Machacamarca mining dstrict, Cornelio Saavedra Province, Potosi, Bolivia
$355 *
48mm x 38mm x 20mm
From: Taranis Minerals
Ludlamite on Pyrite
Huanuni Mine | Huanuni | Dalence Province | Oruro Department | Bolivia
$1083 *
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
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
Pyrite from Peru
Huanzala Mine, Huallanca District, Anchash, Peru
$825
86mm x 103mm x 53mm
From: Greenstone Fine Mineralia
Fluorite with Pyrite
Huanzala Mine, Huallanca, Bolognesi Province, Ancash, Peru
$900
30mm x 30mm x 10mm
From: The Arkenstone
Tetrahedrite, Hubnerite, Quartz and Pyrite
Mundo Nuevo Mine, Mundo Nuevo, Huamachuco, Sanchez Carrion Province, La Libertad, Peru
$900
70mm x 50mm x 40mm
From: The Arkenstone
Bournonite
Machacamarca, Potosi, Bolivia
$1200
80mm x 60mm x 50mm
From: Marin Minerals
Pyrite
Gavorrano Mine, Grosseto Province, Tuscany, Italy
$800
165mm x 136mm x 75mm
From: Bob Griffis Minerals
Bournonite
Machacamarca District, Potosi Department, Bolivia
$1500
80mm x 60mm x 50mm
From: Marin Minerals
Fluorite with Quartz and Pyrite
Yaogangxian Mine, Yizhang, Chenzhou, Hunan Province, China
$950
70mm x 60mm x 30mm
From: The Arkenstone
Anhydrite with Pyrite
Campiano Mine, Montieri, Grosseto Province, Tuscany, Italy
$750
70mm x 60mm x 40mm
From: The Arkenstone
Bournonite
Yaogangxian Mine, Yizhang Co., Chenzhou Prefecture, Hunan Province, China
$750
30mm x 20mm x 20mm
From: The Arkenstone
Pyrite, Galena & Sphalerite from Peru
Huanzala Mine, Huallanca District, Ancash, Peru
$750
88mm x 110mm x 55mm
From: Greenstone Fine Mineralia
"Glitter Bomb" Pyrite & Fluorite from Peru
Huanzala Mine, Huallanca District, Ancash, Peru
$1000
99mm x 104mm x 124mm
From: Greenstone Fine Mineralia
* price is an approximate conversion and may not be accurate.

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