446 



BULLETIN 131, UNITED STATES NATIONAL MUSEUM 



anglesite, cerusite, and bindheimite. A specimen from the Monkey 

 mine, in the same district, also consists of coarse galena altering to 

 an outer crust of compact ash-gray anglesite preserving the cubic 

 lines of the galena. Linarite and bindheimite coat the anglesite. 

 Specimens from the Leviathan mine, Flint district, show the usual 

 gray crust of anglesite on coarse galena. 



146 



Figs. 146-147.— Anglesite crystals feom Hercules mine, 

 Shoshone County 



SHOSHONE COUNTY 



Anglesite has been noted in five mines in the Coeur d'Alene district 

 but, considering the amounts of galena and cerusite which have 

 been mined in the district, the anglesite is unusually rare. 



m 



m 



K 



148 149 



Figs. 148-149.— Anglesite crystals. Hypotheek mine, Shoshone County 



The sulphate has not been identified from the Hercules mine 

 except in a single specimen in the National Museum which has been 

 described. 51 The specimen which is labeled "Ore, native silver/' 

 is a mixture of earthy limonite with massive anglesite looking pre- 

 cisely like the majority of specimens of carbonate lead ore. Implanted 

 upon this earthy mass are numerous well-defined transparent angle- 



" Earl V. Shannon. Proc. U. S. Nat. Mus., vol. 58, p. 441-442, 1920. Anglesite crystals from the Her- 

 cules mine, Coeur d' Alene district, Idaho. 



