Ch. XXVIIL] 



OF VOLCANIC EOCKS. 



ANALYSIS OF MINERALS MOST ABUNDANT IN THE VOLCANIC AND 

 HYPOGENE ROCKS. 



Actinolite (Bergman) 



Angite, black, of volcanic rocks 



(Klaproth). 

 Carbonate of lime (Biot) 

 Cliiastolite (Landgrabe) - 

 Chlorite (Kobell) - . - - 



(Delesse) - . . . 



of St. Gottbardt (Varren- 



trapp). 



Diallage of euphotide (Delesse) 



of bronzite from the Tyrol 



(Ktihler). 

 Epidote (Vatiqnelin) 

 Felspar, common (Rose) 

 (Delesse) 



Albite (Rose) 



of a porphyry from 



the Vosges (Delesse). 

 Andesine, of syenite from 



the Vosges (Delesse). 



Labradorite (Klaproth) 



of Verde antique 



(Delesse), 

 Oligoclase, of protoglne 



from Mont Blanc (Delesse). 

 Oligoclase of Arendal 



(Scheerer). 

 Garnet (Klaproth) . - . . 



(Phillips) . . . . 



Hornblende (Klaproth) - 



(Bonsdortf) 



of orbicular diorite 



from Corsica (Delesse). 



Hypersthene (Klaproth) 



Leucite (Klaproth) - - . . 



Malacolite or Sahlite, green (De- 

 lesse). 



Mesotype (Gehlen) 

 (Herzelius) 



Mica (Klaproth) 



(Vauquelin) 



black (H. Ec 



green, of protoglne (Delesse) 



— reddish, of crystalline lime- 

 stone (Delesse). 



— rose-colored, 

 Gmelin). 



of granite (C. 



white, of pegmatite (Delesse) - 



Olivine (Berzelius) . . . . 



(Klaproth) . . . . 



in meteoric stones (Klap- 

 roth). 

 Serpentine (Hisinger) . . . 



asbestitbrm (Delesse) 



=• common (Delesse) 



Steatite (Delesse) - . . . 



(Vauquelin) . . . 



Talc, pure (Delesse) 



(Klaproth) . . . . 



Tourmaline or Schorl, black, of 

 granite from Devon (Rammels- 

 berg). 



red, of granite from Mo- 



ravia (Rammelsberg). 

 Tourmaline (Gmelin) 



Silica 



Alu- 

 mina 



Ma,.- 

 iiesia. 



Lime. 



Potash 



3oda. 



Iron 

 OiKie. 



Man- 

 ganese. 



64- 



48-00 



5 00 



99. 



'8-75 



24-00 







3- 



10-80 



1-00 



68-50 

 31-14 

 31 07 

 25-37 



30-n 



17-14 

 16-47 



28-/9 



1-13 

 34-40 

 19-14 



17-09 



63-33 

 0-46 



- - 





3-85 " 

 19-99 

 28-79 



0-53 

 traces 



49-30 



5-50 



17-61 



15-43 



. - 





9-43 



0-51 



56-81 



2-07 



29-68 



2-20 







8-40 



0-62 



37- 

 66-75 

 64 91 

 68-84 

 71-50 



21- 

 17-5 



19-16 

 20-53 

 15-50 



0-65 



0-50 



15- 

 1-25 



0-78 



a trace 



1-73 



12- 

 11-07 



3-13 



2-49 

 9-12 

 5-94 



24- 

 0-75 

 traces 



traces 



1-5 



58-91 



24-59 



0-40 



4-01 



2-53 



7-59 



0-99 





55-75 

 53-20 



26-5 

 27-31 



I-Ol 



11- 



8-02 



3-40 



4- 

 3-52 



1-25 

 1-03 





63 25 



23-92 



0-32 



3-23 



2-31 



6-88 



traces 





62-87 



22-91 



traces 



3-61 



1-39 



8-16 



1-89 





35-75 

 43- 



42- 



45-69 



47-68 



27-25 

 16- 

 12- 

 12-18 

 8-23 



2-25 

 I8-79 

 18-40 



20- 

 11- 

 13-85 



7-05 



a trace 

 0-14 



0-65 



36- 

 16- 

 30- 

 7-32 

 16-15 



0-25 



0-25 



0-22 



traces 



54-25 

 5375 

 53-42 



2-25 



24-62 

 1-38 



14- 

 14-95 



1-5 



21-72 



21-35 



- - 



-24-5 

 8-53 



a trace 



51-64 

 46-80 

 42.5 

 50- 



19-70 

 23-50 

 11-5 

 35- 



9- 



1-61 



9-87 



1-33 



10- 



15-09 

 5-40 



22- 



7- 



2- 



40-00 



12-67 



0-63 



- - 



5'6I 





19-03 S. 



15-70 



41-22 



13-92 



4-70 



2-58 



6-05 



1-40 J 



21 -.31 S. 

 5-03 P. 



^1-09 



37*54 



19-80 



30-32 



0-70 



7-17 



1-00 



1-61 



0-10 



49-06 



33-61 



0-41 





4-19 



. . 



- - 



1-40 



46-23 

 40-86 

 50- 

 41-0 



33-03 



2-10 

 47-35 



38-5 

 38-5 



0-25 



8-87 



1-45 



3-48 S. 

 11-72 

 12- 



18-5 



traces 

 0-43 



43-07 



41-58 



40 -8:^ 



64-85 

 64- 

 61-75 

 61-75 



0-25 

 0-42 

 0-92 



40-37 



42-61 



37-98 



28-53 



22- 



31-68 



30-5 



0-5 



i-sb 



275 





1-17 



1-69 



7 -39 



1-40 



3- 



1-70 



2.5 



traces 



37-00 



33-09 



2-58 



0-50 



0-65 



1-39^ 



9-,33 S. 

 C-19 P. 



] ■ 



41'16 



41-83 



0-61 



- - 



2-17 



1-37 





97- S. 



35-48 



34-75 



4-08 





0-48 



1-75 



17-44 



1-89 



Remainder. 



43-05 C. 



0-27 W. 

 12-20 W. 

 11-55 W 



8-96 W. 



0-85 W. 

 0-30 Ch. 

 0-22 W. 



1-5 F. 



1-60 loss, 



1- W. 



9-&3 W. 

 12-30 W. 



1-63 T. 

 2-00 F. 

 1-58 F. 

 0-90 loss, 

 0-22 F. 

 1-51 loss, 

 3.59 L. 

 3-28 F. 

 0-11 P. 

 4-18 loss, 

 4-12 



12-45 TV. 



13-70 W. 

 10-70 W. 



5-22 W. 

 5- W. 

 3-83 W. 



r 0-12 P. 

 7-66 B. 

 2-09 loss. 

 1-49 F. 

 0-22 Ph. 

 3-56 B. 

 0-41 L. 

 2-70 F. 

 3-77 loss. 

 402 B. 



In the last column of the above Table, the following signs are used : B. Boracic acid, C. Carbonic acid 

 Ch. Oxide of Chrome, F. Fluoric acid, L. Lithine, P. Phosphoric acid, T. Oxide of Titanium, W. Wat®« 

 In the 7th column of numbers, P. means Protoxide, and S. Sesquioxide. 



