^68 Catalogues of Rocks and Minerals. 



64. SancUtone of this character is frequently observed as 

 the basis layer at the Pali-adoes, New-Jersey, 



65. Greenstone, Pracknes mountain, New-Jersey. 



G6. Quartz with rhombic cavities, that once contained 

 rhombic spar. — Pyritous copper, small crystals of quartz, 

 Fort Lee, New-Jersey. 



67. Prhenitc, Patterson. 



68. Sulphuret of iron, Highlands in Bergen County, 

 New-Jersey. 



69. Sulphuret of copper, Schuyler's mine^ New-Jersey ^ 



70. Chromate of iron, Staten Island. 



71. Galena, Columbia County, near Catskilh 



72. Carbonate of copper, with radiating groups of quartz, 

 Patterson. 



73. Red oxide of zinc, Sparta, New^-Jersey. 



74. Granite, Highlands, near Fort Montgomery. 



Quartz 



New- 



Jersey. 



III. From Professor Dewey. 



76. Gneiss— mica and clay and chlorite and steatitic 

 slate — granular limestone — gray wacke — sand stone — pud- 

 ding stone — with tourmaline and bitter spath imbedded. 



77. White fibrous Tremolite — one mass 21 inches by % 

 effervesces. 



78- Do. distinctly crystallized — Isolated crystals like 

 those of the Alps. 



79. Siliceous slate — actinote of Middlefield, handsome* 



80. Calc. tufa and mar! from Williamstown, 



81 . Richmond stalactical hydrargylite bitterspath 



and green talc — Middlefield. 



82. Stalagmite-^SinterLanesborough cave. 



83. Fetid Dolomite. 



84. Beautiful ^reen talc Newtown Vermont. 



85. Siliceous limestone, Williamstown, 16 per ct. of si- 

 lex. 



86. Chalcedony — Middlefield — partly agatized and well 

 characterized. Very fetid quartz, Williamstown. 



87. Molybdena in Actynote, and steatite Middlefield. 



88. Staurotide in mica slate, Sheffield. 



89. Serpentine Middlefield. 



