RECOMMENDATIONS. 
121 
P. 
• • • • • • 
Phosphate of Soda N + P+P-f 4q 
Arseniate of Soda 
• • • • • • 
N-f As + As+4q 
F. 
Biphosphate of Soda 
2N + P+P+15q 
Biarseniate of Soda 
• • • • • • 
2N -j- As “h As -f- loq 
F 
Biphosphate of Ammonia 
2n + P + P + 3q 
Biarseniate of Ammonia 
2n -f- As q- As -f- 3q 
F. 
Biphosphate of Soda 
2 N + P + P + 25q 
Biarseniate of Soda 
• • • • • • 
2 N+As+As + 25q 
F. 
Vivianite. 
Cobalt Bloom .. . 
Q. 
• • • • 
Molybdate of Lead .... Pb + Mo 
• • • • 
Tungstate of Lead .... Pb + W 
• • • • 
Tungstate of Lime .... Ca-f- W 
O. 
• • * • 
Spinelle. M-fA-fA 
Pleonaste. (M,Fe)-f-A-f A 
• • • • • • 
Gahnite .... (Zn,M,Fe) + A-f A 
Chromic Iron Oxide 
(Fe,M) + (Fe + Fe,Cr + Cr) 
Franklinite 
(Zn,Fe) + (Fe + Fe,Mn + Mn) 
• • • • 
Magnetic Iron Oxide Fe + Fe + Fe 
Titanic Iron Oxide 
Fe + Fe + (Fe,Ti) 
Garnets.—0. 
Grossular.. A + A+ Si + 3Ca+Si 
Almandine A + A-fSi + 3Fe +Si 
Melanite Fe + Fe + Si + 3Ca + Si 
Manganesian Garnet 
A+A+Si+3Mn + Si 
R. 
Specular Iron Oxide . .. 
Fe + Fe 
Titanic Iron Oxide .... 
Fe + Ti 
Corundum... 
• • • 
A + A 
Q, 
Oxide of Tin . 
• O 
Pvutile .. 
• • 
. . . Ti 
R. 
Calc Spar.Ca + C 
Bitter Spar.Ca + C + M+C 
Carbonate of Magnesia and Iron 
(M,Fe) + C 
• •• 
Carbonate of Iron . Fe-j-C 
