NEW BOLIVIAN MINERALS. 



A new importation enables us to sell Franckeite and 

 Cylindrite at half former prices. Choice cabinet-size 

 specimens at 75c. to $2.50. Select any of the old lot at 

 half the old prices. These are two new and interesting 

 tin minerals which should be in every collection. 



CRYSTALLIZED ROSCOELITE WITH GOLD. 



A few small but excellent specimens from California 

 at 81.25. 81.50 and 82.00. 



OTHER NEW ARRIVALS FROM CALIFORNIA. 



Gold. A suite of small specimens of rare associations 

 and forms. 

 Colemanite. A little lot of extra good groups of bright crystals, 25c. to 83.50. 



FINE CRYSTALLIZED DIASPORE. 



Quite a large number of fine specimens of crystallized Diaspore were lately 

 secured. These are the final clean-up of the Massachusetts locality and no more 

 are likely to come into the market. Nevertheless, we offer these at not over half 

 our former prices : 25c. to 82.00. Extra good cabinet-size specimens of crystal- 

 line diaspore. pure masses, 25c. lo 81.50. 



MOST BEAUTIFUL MARG-ARITE. 



The best we have ever had. and a large lot. 25c. to 81.25. 



MOHAWK MINE MINERALS. 



A new lot of 50 specimens has just been determined, greatly enriching our 

 stock of Mohawkite. Stibiodomeykite and Domeykite. Pure masses of each at 

 most reasonable prices. 



NOVA SCOTIA HOWLITE. 



24 choice nodules of this rare mineral, 50c. to 81.25. 



AN IMPORTATION FROM ELBA. 



"Worthy of extended notice, but because of the host of fine new arrivals crowded 

 in at the end. Iridescent Hematites extra fine and large, 84.00, 85.00, $6.00; 

 large and choice Pyrite crystals and groups. 75c. to $5.00. Crystallized Lepido- 

 lite, polychrome Tourmalines, etc. 



OTHER RECENT ADDITIONS : 



Hauerite in very good loose crystals: Harmotome in excellent groups from 

 Oberstein : Arsenic in splendid large mamillary crusts; Bindheimite, the best 

 lot ever on sale : Tetrahedrite, in groups of large crystals coated with Chalco- 

 pyrite: Bournonites well crystallized and cheap; superfine cleavable Orpiment : 

 Diamond crystals: crystallized Hematite and Quartz, beautiful and cheap; 

 over 4.000 excellent specimens front an old collection including many rare old- 

 time specimens. 



124-page Illustrated Catalogue, giving Dana Species number, crystal system, 

 hardness, specific gravity, chemical composition and formula of every mineral. 25c. 

 in paper. 



44-page Illustrated Price-Lists. also Bulletins and Circulars, free. 



GEO. L. ENGLISH & CO., Mineralogists, 



Dealers in Educational and Scientific Minerals, 

 3 AND 5 WEST 18th STREET, NEW YORK CITY. 



