(3) on charcoal. -- (4) in forceps. As specular iron. (5) in borax. As specular iron. (6) in mic. salt. As in borax. (7) with carb. soda. -- (8) Special reactions. -- * * * * * Mineral. Franklinite Formula. ([.Fe][.Zn][.Mn]) ([...Fe=][...Mn=]). Behavior (1) in glass-bulb. -- (2) in open tube. -- (3) on charcoal. Forms a white incrustation on the charcoal, which moistened with cobalt solution assumes a green color. (4) in forceps. V. In the blue flame fuses on edges and and becomes magnetic. (5) in borax. Gives the iron and manganese reaction. (6) in mic. salt. As in borax. (7) with carb. soda. Affords a considerable white incrustation of ZnO. (8) Special reactions. Gives a strong manganese reaction with nitre and carbonate of soda. * * * * * Mineral. Ilmenite Formula. [...Ti=] and [...Fe=]. Behavior (1) in glass-bulb. -- (2) in open tube. -- (3) on charcoal. -- (4) in forceps. V. In reducing flame fuses on edges and becomes magnetic. (5) in borax. Gives the iron reaction. (6) in mic. salt. In oxidizing flame exhibits the iron reaction. In reducing flame assumes a deep brownish red color. (7) with carb. soda. -- (8) Special reactions. -- * * * * * Mineral. Chromic iron Formula. [.Fe][...Cr=]. Behavior (1) in glass-bulb. -- (2) in open tube. -- (3) on charcoal. -- (4) in forceps. As the preceding. (5) in borax. Dissolves slowly and gives the chromium reaction. (6) in mic. salt. As in borax. (7) with carb. soda. On platinum foil with nitre and carbonate of soda affords a yellow mass of chromate of potassa. (8) Special reactions. -- * * * * * Mineral. Lievrite Formula. 3([.Fe][.Ca])^{3}[...Si] + 2[...Fe=][...Si]. Behavior (1) in glass-bulb. Occasionally gives off some water and turns black. (2) in open tube. -- (3) on charcoal. Fuses to a black globule, which in the reducing flame becomes magnetic. (4) in forceps. I. In reducing flame is magnetic. (5) in borax. Gives the iron reaction. (6) in mic. salt. Gives the iron and silica reactions. (7) with carb. soda. Fuses to a black opaque bead.