NEW MINERALS 



Never before offered for sale. 



We have all that is in the market of each of the following : 



Auerlite, a new Thorium silico-phosphate, found rarely with Zircon 

 in Henderson Co., North Carolina. Only about 100 grams were 

 found in a search of five weeks, and it is, therefore, likely to remain 

 an exceedingly rare mineral. We have secured the original " find" 

 upon which the species was described (see A. J. S., this number, 

 p. 438, and Dec, '88). Price $1.00 per gram. A very few small, 

 rough crystals at 50c. to $1.00 each. 



Aguilarite, a new sulpho-selenide of silver, from Mexico, described in 

 this number of the A. J. S., p. 401, was secured by our Mr. Niven 

 during his last trip. Less than a dozen specimens have been found 

 altogether, and all but one show more or less complete alteration to 

 Stephanite. All the specimens are well crystallized. The excessive 

 rarity of the new species and its high cost in the locality compel us 

 to charge considerable for it, but we have some small specimens, por- 

 tions of the type material, as low as $1.50 to $5.00. 



Pollucite from Maine, described in A. J. S., March, '91. The 

 entire find (except such as was presented to the describer) has been 

 purchased by us. Specimens of this mineral are essential to the 

 completeness of every collection. The amount of the find was very 

 small and we have already sold two-thirds of it, so that our cus- 

 tomers are urged to send in their orders promptly. Prices 50c. to 

 $7.50. " . 



Polycrase from South Carolina, described in A. J. S., this 

 number, p. 423. We have picked over the entire "find" and have 

 the best material there is, and all that will be sold as specimens. 

 The crystals are mostly rough and fragmentary, but are much 

 superior to any European specimens we have seen for sale. The 

 high percentage of the rare element scandium and the fact that this 

 is the first occurrence of Polycrase in the U. S. renders the speci- 

 mens doubly desirable. Prices 10c. to 75c. each. 



Monti cellite from Arkansas, described in this number of A. J. S., 

 p. 398, was first brought to notice by us. We can supply illustrative 

 specimens at 25c. to $2.50. 



Eticlialyte from Arkansas, 25c. to $2.50. 



For many other recent additions to our stock see our other page of 

 announcements. 



GEO. L. ENGLISH & CO., Mineralogists, 



733 and 735 Broadway, New York. 



