364 PETRIFACTIONS AND THEIR TEACHINGS. CHAP. IV. 



2. [24.] One half of the Case contains varieties of Jasper. 

 The other half is appropriated to Opaline substances, the 

 noble opal ; sun-opal ; common opal ; semi-opal ; wood-opal, 

 or opalized wood ; menilite ; quincite. 



3. [36.] Varieties and species of Garnet, chrome-garnets ; 

 lime-garnets ; colophonite, &c. 



4. [25.] Silicates of lime, and some of the silicates of 

 magnesia and of alumina. Wollastonite ; Steatite or soap- 

 stone ; keffekil or meerschaum, of which pipe-bowls are 

 made ; Serpentine ; Hydrophite j metalloid diallage or diul- 

 lagite ; Chrysolite or periodot. 



5. [35.] Pyroxenic minerals. Augite imbedded in lava 

 from Vesuvius ; thallite ; sahlite ; epidote. Idocrase from 

 Vesuvius, &c. 



6. [26.] Silicate of Zinc, or Smithsonite. Silicate of 

 magnesia of cerium of iron of copper of bismuth of 

 zirconia of alumina. Andalusite. Kyanite or disthene. 

 Sillimanite. Xanthite. Catlinite or Indian pipe-stone. Agal- 

 matolite, employed by the Chinese for images, vessels, <fec. 



7. [34.] Abestine and Pyroxenic minerals. Asbestus ; 

 amianthus ; augite ; jeffersonite ; yenite from Elba ; sahlite. 



8. [27.] Zeolitic substances. Apophyllite ; chabasite ; ! 

 mesotype ; natrolite, &c. 



9. [33.] Amphibolic and pyroxenic minerals. Basaltic and 

 common hornblende ; actinolite ; tremolite, &c. 



10. [28.] Zeolitic substances. Stilbite ; Heulamdite ; Lau- 

 montite ; Comptonite from Vesuvius ; Thompsonite ; hydro- 

 lite, &c. ; and several other scarce zeolitic minerals. 



11. [32.1 Micaceous and talcose substances. 



12. [29.] Prehnite. Koupholite. Jade or nephrite, of 

 which there are some manufactured articles. Harmotome ; 

 Andreolite, a magnificent specimen. Herschelite. Felspar, &c. 



13. [31.] Felspathic substances. Triphane ; spodunien; 

 petalite ; Davyne ; nepheline ; Wernerite. 



14. [30.] Felspathic substances. Common felspar ; amazon- 1 

 stone from the Urals ; icespar ; albite ; adularia, &c. ; Labrador \ 

 felspar ; leucite or amphigene from Vesuvius. 



