THE MINING AND QUARRY INDUSTRY I906 45 



The red hematite mined by the Rossie Iron Ore Co. at Rossie, St 

 Lawrence co., also yields a good metallic paint. 



Mineral paint made from shale and slate is quite extensively used 

 for wooden structures. When there is a considerable percentage of 

 iron oxids present, the shale and slate may be sold for metallic paint. 

 Their value depends largely upon the depth and durability of their 

 color; but the degree of natural fineness and the amount of oil re- 

 quired in mixing must also be considered in determining their 

 utility. At Randolph, Cattaraugus co., beds of green, brown and 

 bluish shale occur in the Chemung formation. They are worked by 

 the Elko Paint Co. In years past red shale has been obtained in 

 Herkimer county from the Vernon beds at the base of the Salina. 

 A similar material occurring in the Catskill series has been worked 

 at Roxbury, Delaware co. The red slate of Washington county, 

 which belongs in the Cambric, is also ground for paint. The 

 Algonquin Red Slate Co. of Worcester, Mass., and A. J. Hurd of 

 Eagle Bridge produce this material. 



A product known as mineral black is made by grinding slate 

 found in the Hudson River series. 



The ferruginous clay called ocher occurs quite commonly in the 

 State, but no deposits are exploited at present. A bed occurring on 

 Crane mountain, Washington co., once supplied a considerable 

 quantity. 



Sienna, a variety of ocher, occurs near Whitehall. The deposit 

 is a thin stratum in glacial drift and has been worked on a small 

 scale. 



In addition to the producers above mentioned, the Clinton Metallic 

 Paint Co. of Clinton, and the William Connors Paint Manufacturing 

 Co. of Troy, are engaged in the manufacture of mineral paints from 

 New York materials. 



The production of mineral paints in 1906 was as follows : metallic 

 paint and mortar color 2714 short tons valued at $29,140; slate 

 pigment 2045 short tons valued at $15,960. In the year 1905 the 

 following quantities were reported: metallic paint and mortar color, 

 6059 short tons, valued at $70,090; slate pigment, 2929 short tons 

 valued at $22,668. These quantities include only the output made 

 within the State from local materials. A part of the crude material 

 is shipped each year to points outside of the State for manufacture. 

 An output of 9382 tons valued at $22,949 was reported by four 

 firms who sell the crude ore or rock to paint grinders. 



