Grain Tin
This is made from block tin. The blocks are heated until they become brittle, and then allowed to fall from a considerable height, by which they are broken into small fragments, which constitute grain tin, or tin in tears.
Nickel A white, hard, malleable, the lustre of silver. Its specific gravity, when magnetic metal, capable of receiving hammered, is about 8.82. Nickel is very infusible. Muriatic and sulphuric acid act on it with difficulty unless mixed with nitric