ANOTHER SERIES OF FINE MINERALS 



Will be placed on sale about January 1st, embracing the 

 second portion of the large collection announced last 

 month. Special circular announcement will be sent to all 

 customers requesting same. This second lot will con- 

 tain many specimens more beautiful and less expensive 

 than the first part, in which were included such expen- 

 sive minerals as gold, silver, platinum, palladium, platini- 

 ridium, chilenite, arquerite, amalgam, proustite, pyrargy- 

 rite, alexandrite. 



Though thousands of specimens worthy of special 

 mention have recently been received, we are constrained 

 to pass them over in silence this month to again call attention to 



THE PRE-EMINENT EXCELLENCE OF OUR COLLECTIONS 



All of which have been recently thoroughly revised and brought up to date. We 

 regret exceedingly that the great pressure of work devolving upon our Mr. 

 English has so long delayed the anticipated publication of a new catalogue. 

 Though much work has been done upon it. we cannot promise it soon. When 

 issued this catalogue will present in detail the merits of our collections, which are 

 but crudely described in our current catalogue. In the meantime we beg intend- 

 ing purchasers to communicate with us and we shall be pleased to send them 

 such manuscript descriptions as will convince them that our collections are unap- 

 proached by any others in the m&rket. 



CRYSTAL COLLECTION No. 1 



Contains 100 most carefully selected loose crystals, each labeled with printed 

 label and accompanied by cherry mouuting block, and either lacquered-brass 

 crystal holder of best make or wooden crystal stand, as may be preferred by 

 purchaser. A new feature is the catalogue of the collection which gives the 

 form of each crystal, for example : ''37. Calcite, Bigrigg Mine, England. Unit 

 prism (m), scaleuohedron (v), striated rhombohedron (e), rhombohedron (M), 

 oscillatory combination of scalenohedron with second order prism (a)." Though 

 the catalogue greatly enhances the value of the collection, and though the crys- 

 tals included are of far better quality than formerly and much more completely 

 illustrate the six systems, our price remains only $50. The crystals are classified 

 in accordance with Dana's textbook. 



OUR BLOWPIPE COLLECTIONS 



Have just been revised (October, 1901). and any student buying one of them will 

 find it of inestimable assistance in his laboratory work. The leading works on 

 determinative mineralogy have been studied from beginning to end in order to 

 make it certain that everything needed by a student of any one of these books is 

 included in our collection of 200 specimens at $8.00, while the smaller collections, 

 100 for So. 50, 50 for SI. 50, 25 for 75c, contain the most important of the species. 

 All of these collections are put up in handsome quartered oak compartment boxes 

 without extra charge. 



MANY OTHER COLLECTIONS 



Are described in our catalogue and special circulars. Each is the best of its 

 class in the market. Our "Dana" and "Manhattan" and '• Moses " Collections 

 have a world-wide reputation. 



GEO. L. ENGLISH & CO., Mineralogists, 



Dealers in Educational and Scientific Minerals, 



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



