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Title: Crystalline bright black needles forming on the surface of m [Go to resource]
Description: Crystalline bright black needles forming on the surface of malleable copper, from Swansea, presented by J. Benson License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1889-164/659 Go to resource More Like this...
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