PSEUDO-Galena, or Black Jack. See ZINC, ORES of, MINERALOGY Index.
PSEUDO-Galena
sub_entry · 66 chars · cross-reference · page image at NLS ↗
sub_entry · 66 chars · cross-reference · page image at NLS ↗
PSEUDO-Galena, or Black Jack. See ZINC, ORES of, MINERALOGY Index.