No. 13. "Box No. 47," Quartz from El-Wedge (Wijh), gave only oxide of iron.[5]
No. 14. "Box No. 5," Red quartz from El-Wedge, a quartz with red-brown
oxide of iron and earthy substances, was assayed with the following
results:—
Gold (per statute ton = 3240 lbs.)2 dwts. 15 grs.
Silver. . . . . . . . . . . . . .Traces.
No. 15. "Box No. 16," Mica schist from El-Wedge. This mica-schist
undergoing decomposition from weathering action, mixed with small lumps
of quartz, was assayed with the following results :—
Gold (per statute ton). . . . .6 grains.
Silver. . . . . . . . . . . . . .Traces.
No. 16. "Box No. 32," White quartz from El-Wedge. This quartz coloured with
red-brown oxide of iron, mixed with mica-schist, was assayed with the
following results:—
Gold (per statute ton). .3 dwts. 22 grs.
Silver. . . . . . . . . . . . . .Traces.
No. 17. "Box No. 48,"[6] Red sulphur from Sharm Yaharr, was found to have the following composition, while it was free from "native sulphur":—
Peroxide of iron (per cent. ) . . .44.36
Sand, clay, carbonates and sulphates of lime and
magnesia . . . . . . . . . . . . . . . .14.90
Salts soluble in water, chiefly alkaline
chlorides and chlorites, and sulphates of lime
and magnesia . . . . . . . . . . . . . .29.70
Water . . . . . . . . . . . . . . .11.40
_______
100.00
No. 18. "Box No. 48a," Gypsum from Sharm Yaharr. Partly semi-transparent and granular, and partly dull white and opaque. It was found to be hydrated sulphate of lime, or gypsum, with carbonate of lime, and some sand, magnesia, and chloride of sodium.
No. 19 "Box No. 35," Dust and stones from Sharma, yielded no results.
Section 2.
Examination of the mineral specimens contained in a box sent from Egypt. As the specimens were unlabelled, they were marked A, B, C, D, E, F, G, H, and I, respectively.