4 TYPE MINERALS, 
CLASS III. Character :—Malleable, not reducible by heat 
alone. 
ZINC. 
Sulphuret of Zine, on Earthy Sulphate of Barytes. 
Derbyshire. 
56 Zine Blende, with Lead Glance. Freiberg. 
ot ws »  incrystals. Schemnitz, Hungary. 
58 ’ ” 
59 Spartalite—Oxide of Zinc. Sparta, New Jersey. 
60 Calamine—Carbonate of Zine. Pennsylvania. 
61 Lapis Calaminaris. Derbyshire. ; 
62 Blende, with Barytes. Black Rock Lead Mine, 
Cornwall. 
63 Compact Blende. 
64 Blende. Alston Moor, Cumberland. 
65 Calamine, orange and yellow. Lead hill, Cumberland. 
or 
5 
CapMiIumM. 
66 Cadmium Blende. Bohemia. \ 
Tin. 
67 Cassiterite—Oxide of Tin. Geyer, Saxony. 
68 Oxide of Tin, crystallized on Chlorite. Cornwall, 
COR: 5, 3 with Tungstate of Iron, 
Chlorite, &e. Cornwall. 
70 Tin Pyrites. Redruth, Cornwall. 
71 Macled Crystal of Tin. Bohemia. 
72 Oxide of Tin. Cornwall. 
73 Sulphuret of Tin. Cornwall. 
74 Oxide of Tin. 
74aCrystallized Oxide of Tin, with quartz. 
740 Veins of Oxide of Tin. 
Leap. ' 
75 Argentiferous Galena, on Clay Shite. Cornwall. 
76 Galena. 
77 Cerusite—Carbonate of Lead. Hartz. 
78 Carbonate of Lead. Poughtengill, Cumberland. 
79 Phosphate of Lead, Cumberland. 
80 Carbonate of Lead, Cornwall, 
