6
 1790 MINERALS Yi3~AREOOI~


it declined more than one half in 1932, compared with 1931. Domestic consumption
of splittings in 1932 was 902,985 pounds, valued at $268,830, compared with
2,046,090 pounds, valued at $764,672, in
1931,. a decrease .of 56 percent in quantity and 65 percent in value. All
splittings were of foreign origin except the small domestic production already
mentioned.
The splittings consumed were from the following sources: India,
671,647 pounds of muscovite splittings, valued at $193,854 (includes
the small quantity of domestic splittings referred to above); Canada,.
73,810 pounds of phlogopite splittings, valued at $13,655 (includes
a small tonnage of Canadian phiogopite split by machine in the

imports of splitti
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FIGURE 89--Comparison of the consumption of mica splittings and the consumption
and domestic
production of sheet mica larger than punch in the United States, 1923—32

United States); and Madagascar, 157,528 pounds of phiogopite splittings,
valued at $61,321.
Figure 89 shows the quantity and value of mica splittings and sheet mica
larger than punch consumed in the United States during the past 10 years.
The graph shows clearly the preponderance of splittings in the domestic market,
compared with sheet mica and the adverse effects of the business depression
during the last 3 years on the consumption of both these classes of mica.
The commercial production of domestic sheet mica larger than punch also is
compared in both quantity and value with the total consumption of these sizes.

The principal consumers of mica splittings in the United States in
1932 were as follows: Allis-Chalmers Manufacturing Co., Mi]waukee,
Wis.; Continental Fibre Co., Valparaiso, md.; Ford Radio and Mica
Corporation, 830 Fourth Avenue, Brooklyn, N.Y.; General Electric
Co., Schenectady, N.Y.; The Macallen Co., 16 Macallen Street,