Several flattened, untwinned bournonite crystals to 2 cm across are perched on
matrix with a brown
siderite
crystal
Origin: Vibras Vein, Machacamarca Mine, near Cotavi, Potosi Dept, Bolivia
Sample size: 3.5 x 3.5 x 2 cm (top 3), 5 x 3.5 x 1.5 cm (3rd/4th row), 3.75 x
3 x 2.5 cm (5th row), 4.5 x 3 x 2 cm (6th row/bottom)
Bournonite on
pyrite
Origin: Mine #5, Baia Sprie, Maramures, Romania
Sample size: 4.5 x 3.5 x 2.2 cm
Origin: Les Malines Mine, Saint-Laurent-le-Minier, Gard, Languedoc-Roussillon,
France
Sample size: 10.5 x 5.5 x 5.5 cm
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