CONTENTS. 1<'>1 



IX. XitratOH: 



1 Niter, potassium nitrato 



■f- *:;*"";":; ::::; S' 



0. Nitro-oalcite 



X. Borates: 



1 . Iiorax or tiiical ; borate of soda '^^'^ 



•1 rioxite; l)oronatrocalc-ite •- '^'' 



397 



3. Coleinanite 



4. Boracite or stassfurtite; borate of iiiao:nesia 39/ 



XI. iTanates: 



1 . I'raninite; pitchblende 



XII. Sulphates: 



1 . Barite; heavv spar 



, ,, 406 



2. e.ypsum - 



5. Celestite ^^[ 



4. Mirabilite; or (,Tlau))er salt 



5. Glauberite 



(>. Theuardite 



7. Epsomite; Epsom salts 



8. Polvhalite '^JJ 



,,,,.'•. 416 



^^^'^'^ ::' 416- 



10. Kiesente 



11. Alums: 



Kalinite ^^'^ 



Tsehermigite ^"^^ 



419 

 Aluminite 



Alunite ^^^ 



421 

 Alum slate or shale 



XIII. Hydrocarbon compounds: 



1 . Coal series - 



„ , 424 



Peat 



Lignite or brown coal '* '^ 



Bituminous coals 



1 427 



Anthracite coal 



429 



2. Bitumen series 



Marsh gas; natural gas. ^^^ 



Petroleum ^'^^ 



Asphaltum; mineral pitcli _ 441 



Manjak '^"^'^ 



Elaterite; mineral caoutchouc 4'**^ 



Wurtzillite '*"*^ 



All)ertite ^^^ 



447 

 Grahamite 



Carbonite or natural coke 



Uintaite; gilsonite _ 



3. Ozokerite; mineral wax; native paraffin 4ol 



4. Resins 



Succinite; amber ^" 



Retinite ^5^^ 



Chemawinite "^fl 



Gum copal ''*' 



NAT MUS 99 11 



