BUILDING AND ORNAMENTAL STONES. 



293 



Carbon. 

 Graphite. 



ELEMENTS. 



SULPHIDES. 



Galen ite. 

 Sphalerite. 

 l'yrit<3. 

 Marcasite. 



CHLORIDES. 



Halite (common salt). 



FLUORIDES. 



rinorite (fluor-spar). 



OXIDES. 



Trydimite. 



Hematite (specular iron). 



Menaccanite (titanic iron). 



Magnetite (magnetic iron). 



Chromite (chromic iron). 



Limouit(! (hydrous iron oxide). 



Rutile, 



.VNHYDIiOUS SILICATES. 



Acmite. 



Beryl. 



Danallte. 



Garnet. 



Zircon. 



Zoisite. 



Allaiiite. 



Scapolite. 



Sodalite. 



Tourmaline (shorl). 



Titanite (spheue). 



HYDROUS SILICATES. 



Laumoutite. 



Natrolite. 



Analcite. 



Chabazite. 



Stilbite. 



Kaolin. 



Apatite. 



Ankerito. 

 Siderite. 



PHOSPHATES. 



CARBONATES. 



