ALABAMA MICA DEPOSITS 23 



motor transport service, and the smallest size, 6, being 

 also used for spark plugs. 



Present market quotations as of date January 1921 

 which may be taken as an approximate index of the 

 present values of the various grades, both foreign and 

 domestic, when prepared in accordance with ruling mar- 

 ket specifications ranged about as follows: 



* India block mica, slightly stained, per pound, No. 6, 

 50 cents; No. 5, $1.20 @ $1.40; No. 4, $2.50 @ $3.00; No. 

 3, $3.50 @ $4.00; No. 2, $4.50 @ $6.00; No. 1, $5.50 @ 

 $6.50. Clear block, No. 6, 50c ; No. 5, $1.75 ; No. 4, $3.25 ; 

 No. 3, $5.00 ; No. 2, $6.50 ; No. 1, $8.00 ; Al, $6.50 @ $8.50 ; 

 extra large, $25.00 ; all f . o. b. New York. Ground $150.00 

 per ton Phila. Domestic uncut f. o. b. Franklin, North 

 Carolina: scrap $45.00 to $50.CO per ton; punch 10 cents 

 per pound; circle 15 to 25 cents; 1% by 2 inch, 75 cents; 



2 by 2 inch, $1.15; 2 by 3 inch, $1.65; 3 by 3 inch, $2.10; 



3 by 4 inch, $2.50 ; 3 by 5 inch, $2.75 ; 3 by 6 inch, $3.75 ; 

 ground 165 mesh, $150.00 to $170.00 per ton; ground 

 roofing mica, $60.00 ; mica washers, 75 cents to $2.00 per 

 pound. Hi inch disks: Number 1, $1.40; No. 2. $1.25 

 per pound. The foregoing domestic prices obtaining also 

 in the Chicago district. 



Prices paid for Alabama cut sheet local average grade, 

 being spotted, and carrying some mineral inclusions were 

 during the closing period of 1920 as follows: I 1 * by 5% 

 inches, per pound $3.50; 2 by 3, $2.50; 2% by 4%, $2.50; 

 2^ by 3, $2.75; 2V 2 by 3%, $3.00; 3 by 3, $3.50; 3^ by 

 3V 2 , $4.00; 1% by 5V 2 , $3.50; 2% by 5Vs, $4.10; 1H by 8, 

 $5.00. 



IMPORTS AND EXPORTS. 



The sheet mica including splittings imported for 

 consumption in the United States during 1918, as report- 

 ed by the Bureau of Foreign and Domestic Commerce, 

 was valued at $1,539,482, the highest value recorded by 

 the United States Geological Survey. In 1918 there were 

 also imported 6 tons of ground mica valued at $1,647. 



*En.erineering & Minintr Record. 



