BOURNONITE SPECIMENS

Bournonite is a sulfosalt mineral in the titular bournonite group. It is a trithioantimoniate of antimony, lead, and copper. It can be found all over the world, most commonly in hydrothermal vein deposits and associated with sphalerite or siderite. The steel-gray crystals can form a repeated twinning habit known as cogwheel twinning: it has historically been called wheel-ore by Romanian miners near Baia Mare.
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Specimens
10 Items ($49 to $495)
Stunning, Metallic Bournonite Crystals with Siderite - Bolivia #248560
Stunning, 5.7" Metallic Bournonite Crystals with Siderite - Bolivia
$495
 
Metallic Bournonite Crystals with Pyrite and Siderite - Bolivia #248509
2" Metallic Bournonite Crystals with Pyrite and Siderite - Bolivia
$115
 
Metallic Bournonite Crystals with Pyrite and Siderite - Bolivia #248506
1.9" Metallic Bournonite Crystals with Pyrite and Siderite - Bolivia
$95
Metallic Bournonite Crystal with Pyrite and Quartz - Bolivia #248466
1.15" Metallic Bournonite Crystal with Pyrite and Quartz - Bolivia
$59
 
Metallic Bournonite Crystal with Pyrite and Siderite - Bolivia #248471
1.5" Metallic Bournonite Crystal with Pyrite and Siderite - Bolivia
$59
 
Metallic Bournonite Crystal with Pyrite and Siderite - Bolivia #248473
1.4" Metallic Bournonite Crystal with Pyrite and Siderite - Bolivia
$59
Metallic Bournonite Crystal with Pyrite and Siderite - Bolivia #248465
1.15" Metallic Bournonite Crystal with Pyrite and Siderite - Bolivia
$49
 
Iridescent Bournonite Crystals with Pyrite and Siderite - Bolivia #248510
2" Iridescent Bournonite Crystals with Pyrite and Siderite - Bolivia
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Metallic Bournonite Crystal on Quartz and Pyrite - Bolivia #248548
3.4" Metallic Bournonite Crystal on Quartz and Pyrite - Bolivia
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Metallic Bournonite Crystal Cluster w/ Pyrite & Quartz - Bolivia #248470
1.15" Metallic Bournonite Crystal Cluster w/ Pyrite & Quartz - Bolivia
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