Useful Knowledge: Volume 1. Minerals

Note 241 — MINERALS. (continued 3)

Reading edition

ZINC, or SPELTER, as it is sometimes called, is a bluish white metal formed in thin plates adhering together. It has a very perceptible taste, is about seven times heavier than water, rather harder than silver; and possesses but a small degree of malleability and ductility, except under certain circumstances.

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