1schist, marble, and also in stone which easily
melts in fire of the second
degree, and which is sometimes so porous that it seems completely decom
posed. Lastly, gold is found in pyrites, though rarely in large quantities.
degree, and which is sometimes so porous that it seems completely decom
posed. Lastly, gold is found in pyrites, though rarely in large quantities.
When considering silver ores other than native silver, those ores are
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