 Pyr., etc. — BB on charcoal easily reduced. Partially soluble, with a slight effervescence, in nitric acid, leaving a residue of sulphate of lead (Brooke). Obs. — Occurs at Leadhills, Scotland, accompanying other ores of lead, in crystals with linnrit...  An Elementary Introduction to Mineralogy - Page 550by William Phillips - 1852 - 700 pagesFull view - About this book
 | Robert Philips Greg, William Garrow Lettsom - 1858 - 528 pages
...face t replaces the edge M r. Before the blowpipe on charcoal it is reduced. Partially soluble with slight effervescence in nitric acid, leaving a residue....... 32-8 Carbonate of oxide of copper . . . 11 -4 100-0 6PbS + 4PbC + 3CuG; with sulphate of lead, 55-82; carbonate of lead, 32-81 ; carbonate of copper,... | |
 | Robert Philips Greg, William G. Lettsom - 1858 - 528 pages
...yellow, but becomes white on cooling. On charcoal is easily reduced to lead. Partially soluble, with effervescence, in nitric acid, leaving a residue of sulphate of oxide of lead. Analyses : a, by Berzelius ; b, by Thomson : — ab Sulphate of oxide of lead . . 287 27-43 Carbonate... | |
 | Robert Philips Greg, William Garrow Lettsom - 1858 - 880 pages
...yellow, but becomes white on cooling. On charcoal is easily reduced to lead. Partially soluble, with effervescence, in nitric acid, leaving a residue of sulphate of oxide of lead. Analyses : a, by Berzelius ; b, by Thomson : — ab Sulphate of oxide of lead . . 287 27'43 Carbonate... | |
 | James Dwight Dana - 1868 - 896 pages
...corresponding nearly to 8 Pb S + 2 Pb С + Ou C, or 1 1 Ou C. Pyr., etc. — BB on charcoal easily reduced. Partially soluble, with a slight effervescence, in nitric acid, leaving a residue of sulphate of lead (Brooke). Obs. — Occurs at Leadhills, Scotland, accompanying other ores of lead, in crystals... | |
 | James Dwight Dana - 1868 - 884 pages
...Brooke, corresponding nearly to 3 tb S + 2 tb C+ Ou C, or 1| Cu 0. Pyr., etc. — BB on charcoal easily reduced. Partially soluble, with a slight effervescence, in nitric acid, leaving a residue of sulphate of lead (Brooke). Obs. — Occurs at Leadhills, Scotland, accompanying other ores of lead, in crystals... | |
 | James Dwight Dana, George Jarvis Brush - 1889 - 1136 pages
...corresponding nearly to 3 Pb S + 2 λb Û + Ôu C, or H Cu C. Pyr., etc. — BB on charcoal easily re<uced. Partially soluble, with a slight effervescence, in nitric acid, leaving a residue of sulphate of lead (Brooke). Obs. — Occurs at Leadhills, Scotland, accompanying other ores of lead, in crystals... | |
 | James Dwight Dana - 1890 - 1258 pages
...corresponding nearly to S Pb S + 1 РЪ C + Ôu С, or Ц Cu С. Руг., etc. — BB on charcoal easily reduced. Partially soluble, with a slight effervescence, in nitric acid, leaving a residue of sulphate of load (Brooke). Obs. — Occurs at Leadhills, Scotland, accompanying other ores of lead, in crystals... | |
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