56^ [Senats 



HiNEBrALS. Localities. 



82. Perfect Spinelle. - . , . Monroe, Orange county, 

 33. Perfect Spinelle, dark green. - Monroe, Orange county. 



84. Large Spinelle, coated with pyroxene. Monroe, Orange county. 



85. Large and fine group of Spinelles ; small ones curiously modified. 



Monroe, Orange county. 



86. Fine truncated Spinelles. - - Monroe, Orange county. 

 These spinelles appear black, But are green : tliey are new and dif- 



lef ent from the old ones, and have not yet been analyzed. They are scarce 

 and costly, and the preceding specimens present a suite of the different 

 forms. 



87. SoAPSTONE {steatite). » - - Monroe, Orange county. 



38. Green Coccolite {^pyroxene), in white calcareous spar, from a cave 



at the Green woods, Monroe, Orange county, 



39. Blace Coccolite (pyroxe7te), in white calcareous spar, from a cave 



at the Green Woods, Monroe, Orange county. 



40. Epidote in trap rock. - - - Monroe, Orange county. 



41. Garnets in green talc. - - - Brooklyn city. 



42. Iron Pyrites. Ulster county. 



43. Six crystals of Biotite. - - - Monroe, Orange county. 



44. Lilac Spinelles. ----- Warwick, Orange county. 



45. 46. Truncated Spinelles. - - Monroe, Orange county. 

 47. Iron Pyrites, from Washington's Headquarters at Newhurgh. 



A lot of Quartz Crystals (175 in number) from Middleville, Herkimer 

 county, purchased at the sale of Marsh's cabinet of minerals at Green- 

 field, Massachusetts, on the twenty-first day of September 1853. 



Presented by JOSEPH S. BARRIS, of Brighton (N.Y.), through Prof. Cook. 

 Three specimens of Selenite, finely crystallized; from Elsworth, Trumbull 

 county, Ohio. 



I*rom Dr. CHARLES MARTIN, U. S. Navy. 



Two specimens of Amethyst. 



6eventy-one Quartz Crystals of various sizes. 



A Garnet with twenty-four trapezoidal faces. 



