ALABAMA MICA DEPOSITS 111 



elusive evidence of the availability of Alabama kaolin for 

 porcelain manufacture. 



Subsequently, a tentative proposition was made by a 

 leading pottery to erect a plant in this State, provided 

 sufficient amounts of kaolin of the grade used in these 

 tests could be convincingly shown by practical tests to 

 be available. 



The above detailed analyses and tests were as stated 

 based upon the mica associated kaolins of the Micaville 

 district, Randolph county. 



Exhibit samples, series No. 132 represent this kaolin. 



For possible utility in the manufacture of fire brick, 

 the mica-kaolins have also been given some consideration. 



At the time that samples of Micaville kaolin were sub- 

 mitted by the Alabama Kaolin Company to Mr. Henry 

 Brunt for pottery test, mixed samples from the same lo- 

 cality, composed of quartz, feldspar, mica, and kaolin, 

 were also submitted for refractories testing in the manu- 

 facture of fire brick. 

 'The analysis of the samples submitted was as follows: 



DEPARTMENT OF THE INTERIOR. 



UNITED STATES GEOLOGICAL SURVEY. 



DIVISION OF CHEMISTRY. 



Report of Analysis No. 1148. 

 Labelled "Fire Clay." 



Material received from J. R. Abrams, Greenville, Ala. 



Material consists of fragments of quartz, feldspar and mica 

 intermixed with about 40% of what is apparently Kaolin. Ana- 

 lysis made on material as sent in. 



Per Cent. 



Water at 110 C., H 2 06 



W^ter at red heat, H 2 O 6.72 



Silica, SiO 2 - 69.84 



Alumina, A1 2 O 8 - 19.91 



Ferric Oxide, Fe,O 3 90 



Manganese Oxide, MnO Trace 



Lime, Ca S \ - .07 



Magnesia, MgO ...: 28 



Potash, K,O - -.... 2.14 



Soda, Na.O - 21 



100.13 



Examined by Thos. M. Chatard and reported Feb. 25th, 1890. 



(Signed) F. W. CLARK, 



Chief Chemist. 



