3T8 The American Geologist. December, 1893 
Gift (silver, Hanshaw) and granite country rock of Lucky 
Cuss (gold, silver. Tombstone district). 
Among the copper and other ores and products may be 
noticed the ingots of copper from the Copper Queen, with 
native copper and malachite, and large masses of malachite 
in rocks on pedestal in the centre of the exhibit. 
In addition to the above specimens in which copper is as- 
sociated with the ores of the noble metals are the following 
specimens of copper ores by themselves: — 
In the center case is a beautiful and complete set of miner- 
als and products of the Copper Queen with a column six feet 
high and a smaller one on top three feet high of vein matter 
showing large quantities of malachite and azurite, and plates 
of chrysocolla. On the north wall is a small cabinet of mal- 
achite and azurite minerals. On benches is displayed the 
product of the Old Dominion Copper Co., of Globe. Adjoin- 
ing this is a set from Gila Co.. and Arizona onyxes from 
the Big Bug quarry. 
On a north shelf may be seen large blocks of ore from the 
Arizona Copper Co.. malachite and azurite and the copper 
product of the mine. On the west wall containing specimens 
from Pima Co. are copper ores from Lone Star. Wisconsin, 
and Ida (the latter argentiferous) of the Hartford district. 
Among these latter and from the same district and county is 
zinc ore (smithsonite) from the Camp. 
The gems consisting of turquoise from the (Jem mine. 
Wallapin district. Mohave Co. Hock Gulch, Virginia Queen 
mine, will be treated in another report. 
Of the rock products of Arizona are two beautiful columns 
of tan-colored fine-grained sandstone labeled "Grown near 
Flagstaff, Arizona, without irrigation." 
( !alifornia. 
Of course the visitor is reminded of the prominent place 
occupied in the world by California as a gold producer by 
the following prominently displayed statistics: 
United States yield of gold from 1848 to date. . $1,900,000,000. 
California yield of gold from 1848 to date 1,300,000,000. 
Auriferous gravels from Calaveras county; models of nug- 
gets from Dutch Hill. Plumas county: gold quartz from 
