| " " Cadmium | After long | " " Cadmium \ long | " " Lead } continued | " " Lead | continued | " " Bismuth | blowing. | " " Bismuth } blowing. | " " Antimony | Otherwise grey. | " " Antimony | Otherwise | " " Nickel / | " " Nickel / grey. | Telluric Acid _/ | Telluric Acid _/ --+--------------------------------------+------------------
-------------- Yellow, red, and brown. --+--------------------------------------+------------------
-------------- | Oxide of Iron, red | Oxide of Iron. | Titanic Acid, yellow | | Pelopic Acid, brown | Pelopic Acid. | Ferruginous Titanic Acid, blood red | Ferruginous Titanic Acid. | " Niobic " " | " Niobic " | " Pelopic " " | " Pelopic " | " Tungstic " " | " Tungstic " | Vanadic Acid, brownish | | Oxide of Chromium, reddish | --+--------------------------------------+------------------
-------------- Violet or Amethyst. --+--------------------------------------+------------------
-------------- | Niobic Acid in large proportion | Niobic Acid in large proportion. | | Titanic Acid. --+--------------------------------------+------------------
-------------- Blue. --+--------------------------------------+------------------
-------------- | Oxide of Cobalt | Oxide of Cobalt. | Tungstic Acid | Tungstic Acid. | Niobic Acid in very large proportion.| Niobic Acid in very large | | proportion. --+--------------------------------------+------------------
-------------- Green. --+--------------------------------------+------------------
-------------- | Oxide of Uranium | Oxide of Uranium. | Molybdic Acid | Molybdic Acid. | | Vanadic " | | Oxide of Chromium. --+--------------------------------------+------------------
-------------- Opaque-grey. (The opacity generally becomes distinct during cooling.) --+--------------------------------------+------------------
-------------- | Oxide of Silver | Oxide of Silver. | " " Zinc | " " Zinc. | " " Cadmium | " " Cadmium. | " " Lead | " " Lead. | " " Bismuth | " " Bismuth. | " " Antimony | " " Antimony. | " " Nickel | " " Nickel. | Telluric Acid | Telluric Acid. --+--------------------------------------+------------------
-------------- Opaque-red and reddish brown. --+--------------------------------------+------------------
-------------- | Oxide of Copper | Oxide of Copper. --+--------------------------------------+--------------------------------

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