native metal
Example Sentences
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Minor sources include the black or gray sulphide, metacinnabar, the native metal, and the white mercurous chloride, calomel.
From The Economic Aspect of Geology by Leith, C. K. (Charles Kenneth)
Platinum, like gold, occurs chiefly as the native metal.
From The Economic Aspect of Geology by Leith, C. K. (Charles Kenneth)
The native metal and the sulphide are believed to be formed mainly as primary minerals of igneous origin.
From The Economic Aspect of Geology by Leith, C. K. (Charles Kenneth)
Iron pyrites, however, is of greater practical importance, being in some districts exceedingly rich, and, next to the native metal, is the most prolific source of gold.
From Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2 "Gloss" to "Gordon, Charles George" by Various
Copper is found in a number of ores, and also in the native metal.
From The Elements of Geology by Norton, William Harmon
