BUILDING AND ORNAMENTAL STONES. 



293 



I. Quartz. 





2. Feldspar. 



Orthoclase. 



Microcline. 



Albite. 





Auorthitc. 





Labradorite 



Plagioclase. 



Andesite. 





Oligoclase. 





3. Mica. 



Muscovite. 



Biotite. 



Phlogopite. 



Lepidoruelane or Atinite. 



4. Ainphibole. 



Tremolite. 



Actinolite. 



Common hornblende. 



5. Pyroxene. 



Malacolite. 



Sablite. 



Augite. 



Diallage. 



Enstatite. 



Hypersthene. 



6. Olivine. 



7. Epidote. 



8. Elaeolite. 



9. Calcite. 



10. Aragonite. 



11. Dolomite. 



12 Gypsum. 



13. Serpentine. 



14. Talc. 



15. Chlorite. 





Carbon. 

 Graphite. 



ELEMENTS. 



SULPHIDES. 



Galen ite. 

 Sphalerite. 

 Pyrite. 

 Marcasite. 



CHLORIDES. 



Halite (common salt). 



FLUORIDES. 



Fluorite (fluor-spar). 



OXIDES. 



Trydimite. 



Hematite (specular iron). 



Menaccanite (titanic iron). 



Magnetite (magnetic iron). 



Chromite (chromic iron). 



Limonite (hydrous iron oxide). 



Rutile. 



ANHYDROUS SILICATES. 



Acmite. 



Beryl. 



Daualite. 



Garnet. 



Zircon. 



Zoisite. 



Allanite. 



Scapolite. 



Sodalite. 



Tourmaline (shorl). 



Titanite (sphene). 



HYDROUS SILICATES. 



Laumontito. 



Natrolite. 



Analcite. 



Chabazite. 



Stilbite. 



Kaolin. 



Apatite. 



Ankerite. 

 Siderite. 



PHOSPHATES. 



CARBONATES. 





