76 CATALOGUE OF MINERALS. 



Lenticular spar, Laumonite, a dyke of Green Trap. Iron 

 Pyrites of a silvery hue, and Copper Pyrites of a golden hue, 

 a mineral called Cleavelandite. 

 In the Sandstone, at Block House Point, Hudson River, Kaolin. 

 — At Schuyler's Mine Calc. Spar, Pyritous Copper, Blue and 

 Green Carbonate of Copper, Micaceous Oxide of Iron, &c. 



LIST OF MINERALS FOUND IN SECTION, PLATE III. 



This cross section contains many of the minerals before 'men- 

 tioned in the Palisades and New York Island, the minerals 

 peculiar to Long Island are round white Quartz pebbles, 

 Limpid Quartz pebbles, Quartz pebbles coloured yellow with 

 Oxide of Iron ; some few handsome Agates, Chalcedony and 

 Jasper pebbles have been found associated with the Quartz 

 pebbles. 



A large bed of fine Potter's Clay is at Lloyd's neck, (Clarkson 

 Crolius.) 



Eagle Stone or nodular argillaceous Oxide of Iron, at Wil- 

 liamsburgh. 



LIST OF MINERALS IN SECTION, PLATE IV. 



In the Serpentine of Staten Island are found 

 Quartz, gray, radiated with surface terminations. 

 ;£ black, 



green, " 

 " smoky small detached crystals. 

 Pulverulent Carbonate of Magnesia, Silvery Talc, Earthy Talc, 

 Bronze crystals of Marmolite, Amianthus, Asbestos, Hematite, 

 (brown,) many varieties, Chromate of Iron, Magnesite, Pea 

 Iron Ore. 



