Bright silvery crystal grains embedded in matrix
Grey, metallic, foil like cyrstals. Ex. Erling Collection
Silvery crystal grains in a large band 1.3cm wide and 2cm long with darker
altaite
and other sulfides. Ex. Kidwell collection
Origin: Mattagami Lake mine, Matagami, Ontario, Canada (type locality)
Sample size: 4 x 2 x 2 cm (top), 4.5 x 3.5 x 2 cm (bottom)
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