CATALOGUE 



AMERICAN MINERALS, 



NOT HITHERTO FOUND IN THE STATE OF NEW-YORK ; WITH SHORT DESCRIPTIONS, 



LOCALITIES, &c. 



ALPHABETICALLY ARRANGED, 



BISMUTHINE. 



Sulphurct of Bismuth. Clcavcland and Phillip. 



Colour lead or steel-grey. Crystallized and massive. Primary a right rhombic prism. M 

 on M' about 91°. Lustre metallic. Hardness 2.0 to 2.5. Sp. gr. 3.64. Before the blow- 

 pipe, volatilized and easily fused. Composed of bismuth 60, sulphur 40. 



Occurs at Haddam, Connecticut. 



BISMUTH OCHRE. 



Oxide of Bismuth. Ckavdand. 



Colour yellowish. Massive, earthy and pulverulent. Soft. Sp. gr. 4.36. Reduced to 

 the metallic slate on charcoal. Composed of bismuth 89 .87, oxygen 10.13. 

 It accompanies the preceding. 



BLACK MANGANESE. 



HiuisinaiinitL'. Jlaidia^cr. 



Colour brownish or iron black. Crystallized and massive. Primary an octahedron with a 

 square base. P on P' 117° 30'. Lustre imperfect metallic. Hardness 5.0 to 5.5. Sp. gr. 



