356 TRANSACTIONS OF THE 



TELLUEIUM AND GOJjT)—(TetracIi/mi(e?) 



At the Meloncs and Stanislaus Mines, one mile south of Carson Hill, 

 Calaveras County. Yery beautiful specimens of native gold associated 

 with tellurium were taken out of a vein from six to ei(>hteen inches thick, 

 and at a depth of two hundred feet from the surface. This teliuret has 

 a tin white color, and is not foliated like the tetradymite from the Field 

 vein in Georgia. Its exact specific character is not yet determined. 



TIX OEE— ( O^iT/fZ o/ Tin.) 



(See Cassiterite.) 



TOPAZ. 



In clear, colorless crystals, finely terminated, from one eighth of an 

 inch to half an inch in diauieter, found in the tin washings of Durango, 

 Mexico. (Cabinet of the author, eighteen hundred and sixtj^-four.) 

 Noticed by C. F. Chandler, American Journal of Science, eighteen hundred 

 and sixty-five. 



TOUEMALINE. 



San Diego County., north side of the Yalley of San Felipe, in feldspathic 

 veins, (for description and figure see Eep. Geol. Eec. Cal., Blake, p. 304;) 

 Tuolumne County. 



TEEMOLIT^E. . 



White and fibrous in limestone, Columbia, Tuolumne County. ' 



TUNGSTATE OF MANGANESE, 



With tungstate of lime, in the Mammoth Mining District, Nevada. 

 (C. T. Jackson, Proc. Cal. Acad, iii, 199.) 



YAEIEGATED COPPEE ORE— Q' Horseflesh ore.") 



Sigel lode, in Plumas County. 



YITEEOUS COPPEE. 



(See Copper Glance.) 



ZINC. 



(See Blende.) 



