On Crystallography, 67 



Names of the Substances. Form of the integrant Molecule. 



t)isthene ..."". Prism with oblique angled 



parallelogram bases 

 Sulphated copper Ditto. 



4. REGULAR HEXAHEDRAL PRISM. 



Phosphated lime Equilateral triangular prism 



Telesie Ditto 



Emerald \ ....... Ditto 



Nepheline Ditto 



Pycnite Ditto 



Dipyre ......... Ditto 



Sulphurated mercury Ditto. 



5. PYRAMIDAL DODECAHEDRON. 



Quartz Irregular tetrahedron 



Phosphated lime Ditto. 



III. Forms which are found to be secondary in different 



species. 



1. CUBE. 



Names of the Substances. Primitive Forms. 



Filiated lime Regular octahedron 



Native bismuth Ditto. 



2. REGULAR OCTAHEDRON. 



Muriated soda Cube 



♦Sulphurated lead Ditto 



Sulphurated iron Ditto 



Gray cobalt * . . . Ditto. 



3. REGULAR HEXAHEDRAL PRISM* 



Carbonated lime Obtuse rhomboid 



Corundum Acute rhomboid 



Mica Straight prism with rhombic' 



bases 

 Sulphurated antimoniated 



silver Obtuse rhomboid 



Phosphated lead ......... Pyramidal dodecahedron 



Sulphurated molybdenum . Straight prism with rhombic 



bases. 



4. RHOMBOIDAL DODECAHEDRON. 



Filiated lime Regular octahedron 



Oxidulated iron • Ditto. 



E 9, 5. SOLID 



