12 
[Assembly 
Chondrodite. Tremolite. Rensselaerite. 
Boltonite. Asbestus. Terenite. 
2. Alumina. 
a. Minerals in which the alumina is nearly pure^ or combined with an 
acid. 
Corundum. Gibbsite. ? Eupyrchroite. 
Spinelle. Sulphate of Alumina. 
Automalite. Alum. 
6. Minerals composed principally of silica and alumina. 
Idocrase. 
Labrador ite. 
Pyrophyllite. 
Garnet, (several varieties. ) 
Kaolin. 
Epidote. 
Cyanite. 
Spodumene. 
Chlorite. 
Zoizite. 
Zeolite. 
Mica. 
Seapolite. 
Laumonite. 
Tourmaline, 
Meionite. 
Stilbite. 
Clintonite. 
Prehnite. 
Mesotype. 
Xanthite. 
Staurotide. 
Apophyllite, 
1 Chiltonite. 
Feldspar. 
Chabazie. 
3. Glucina. 
Emerald. Chrysoberyl. 
4. ZiRCONIA. 
Zircon c 
CLASS VII. 
Metallic Minerals or Ores. 
Composed either wholly or in part of the metals^ commonly so called. 
1. Iron. 
Native iron. Iron pyrites. Carbonate of iron. 
Magnetic iron ore. White iron pyrites. Sulphate of iron. 
Specular iron ore. Arsenical pyrites. Chromate of iron. 
Limonite, (several varieties.) Cube ore. Phosphate of iron. 1 
Sulphuret of iron. 
2. Manganese. 
Earthy oxide of manganese. Babingtonite. 
3. Zinc. 
Blende, or sulphuret of zinc. 
