Furnace bottom product with purple-tarnished octahedral crystals in small cavities

Made:: before 1889

Furnace bottom product with purple-tarnished octahedral crystals in small cavities, Black Hawk, Colorado

Details

Category:: Metallurgy

Object Number:: 1889-164/1865

type:: specimen

credit:: John Percy Collection

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Furnace bottom product with purple-tarnished octahedral crystals in small cavities

Details

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