246 IMPERFECTLY EXAMINED MINERALS, 



MOLYBDATE OF SILVER. (Silfer-phyllinglans,) Breit. Sp. Gr. 5-89. 



L. met. In flexible, bladed masses of a dark lead-grey color, 

 MONAZITE, Breit. Sp. Gr. 4-92. L.vit. C. brick-red. Streak flesh-red. 

 MOJVOPHANE, Breit. Sp. Gr.2-15. H. below Feldspar* L.vit. C. white. 



N. 



NATIVE IRIDIUM. 



NATIVE PALLADIUM. 



NICKEL GLANCE, Pfaff. H. 5-5. Sp. Gr. 6-09. C. like Arsenical 



Pyrites. Cleavage parallel to the faces of the cube. 

 NONTRONITE, Berthier. Soft; opake: unctuous and tender. C. pale 



straw-color. In onion-shaped masses : compact. 



O. 



OKENITE, Kdbel. H. 4 t 5...6-0. ? In almond-shaped masses ; allied to 



the Zeolites. 

 OLIGOKLASE, Breit. 



P. 



PECTOLITE, Kobel. H. 4-5.. .6-0 ? Sp. Gr. 2-69. In spheroidal masses, 

 consisting of delicate diverging individuals. 



PETROSILEX (of Sahlberg.) C. deep flesh-red. Trans. Compact. 

 Frac. fine grained. 



PHASTINE, Breit. 



PICOTITE, Charpentier. 



PINGUITE, Breit. H. 1-0. Sp. Gr. 2-31. Resembles green Iron-earth. 



PLOMB-GOMME, Gillet-Laumont. H. 5-0? C. yellowish and reddish- 

 brown. Reniform. Composition thin columnar. 



PRISMATIC MELANE-GLAJVCE. Sp. Gr. 6-2. ..6-3. 



PRISMATOIDAL BISMUTH-GLANCE, Wehrle. H. 2-4. Sp. Gr. 7-8. 

 Crystals prismatic. 



PYROPHYLLITE, Hermann. 



PYRORTHITE, Berzel. Soft. Sp. Gr. 2-19. L. res. C. brownish- 

 black. Opake. Massive, 



R. 



RADIOLITE, Bremg. H. above 4-0. Sp. Gr. 2-2. C. white, L, silky. 



Massive, with a radiating fracture. 

 REUSSIN, Kirwan. 

 RUBELLAN, Breit. H. 3. L. vit. to res. C. brownish-red. Brittle. 



