Scientific and Medical Boob, Minerals, 
-A.. E. FOOTE, HUE. ZD., 
No. 1223 Belmont Avenue, Philadelphia, Pennsylvania. 
Circulars, Price Lists and Specimen copies of the Naturalists’ Leisure Hour, of 
32 pages, sent free. Subscription 75 cents a year. For club rates 
and premiums, see each issue. 
Finely crystallized Mazapilite, Sulphohalite, Dumortierite , Hanlcsite , Cole- 
manite, Descloisite , Thenardite in crosses, lied and yellow Wulfenite , 
Azurite, and Malachite pseudomorph after Azurite, Vanadinite , 
Opals polished and rough , silver minerals. Over 130 boxes 
of choice minerals from Mexico, California , Arizona , 
and the south-west have been purchased or collected 
at the localities by Professor Foote in a trip 
of over four months . 
Hanksite Crystals and Fragments, 10c to $25. Groups similar to Aragonite, 25c. 
to $5.00. Extra large museum groups $5.00 to $ 10.00. 
The best Colemanite we got came from a collection made several years ago. 
Cleavages, price 5c. to 25c.; crystals 10c. to 50c.; fine groups of crystals, 50c. to 
$10.00. Thenardite in fine crossed crystals, 5c. to $1.00. 
ARIZONA MINERALS. 
Well crystallized specimens, some associated with Vanadinite crystal, $2.00 to 
$10.00; fragments well crystallized, 10c. to $1.50. 
Dumortierite in fine blue specimens, 10c to $3.00. 
Vanadinite doubly terminated crystals, with straw-colored centres and red termin¬ 
ations on good pieces of gangue, Pima Co., $1.00 to $5.00; fragments well crystal¬ 
lized, 5c. to 75c. Brown barrel-shaped crystals, 25c. to $5.00 
Large specimen groups $1.00 to $25.00; fragments and crystals, 5c. to $1.50. 
In New Mexico we were very fortunate in striking a pocket of brilli ant yellow Wul¬ 
fenite equal to the best ever found at Eureka, Nevada. It is associated with flos 
ferri. The thin and delicate plates are very beautiful. Specimens, $2.00 to $10.00; 
fragments brilliant, 10c. to $1.50. 
Azurites and Malachite pseudomorph after Azurite, 10c to $5.00. 
Malachite fibrous in beautiful surfaces and tufts, 5c. to $5.00; same penetrating 
clear calcite, 25c. to $10.00; Malachite polished, 50c. to $3.00; Malachite and 
Azurite banded in a charming manner, 75c. to $5.00; 
Chrysocolla, with very glossy, lustrous fracture, the finest ever seen, 10c to $5.00. 
Cuprite brilliant5c. to 5.00. 
MEXICAN MINERALS. 
Opals. We brought back from Mexico this time the finest lot of these we have 
■ever seen for sale. We have them of all kinds, precious or noble, live, harlequin, 
milky, opal agate, opal with inclosures, hyalite, Ac., &c., cut and in the rough, from 
5c. to $100. 
Twin Calcites from Guanajuato, 10c to $5,00. 
Apophyllite, 12% x 10 inches, very fine surface entirely covered with large crystals, 
$50.00. Smaller, 10c to $5.00. 
Rose colored Apophyllite, $3.50 to $20.00. 
Valencianite, from the old Valenciana mine, in fine museum specimens, $2 to $10. 
Turquois, New Mexico, deep blue pieces, 10c to $7.50. 
Minerals from other American localities have been received in large quantities, 
but we have only space to mention the very interesting crystals of Magnetite from 
the Moriah Mine, Essex Co., N. Y., 
Pheuacites, Megabasite, and a large quantity of the Copper Minerats from Utah, 
such as Conichatcite, Mixite, from 10c upwards. Also from Europe Tetradymite, 
Dertrandite, Euclase, Herrengrundite, Cronstidtite, 
Over 400 boxes of Minerals and Scientific books received in 1888. 
