The hills were covered with a quartzose soil, containing angular fragments.
The specimen brought from the hill by Mr. Larmer appeared to be a quartzose conglomerate.
The identity of the two channels was further established by the quartzose sand found in both.
The tin is obtained in the form of black grains from beds of quartzose sand, and is melted into ingots in rude clay furnaces.
The stones are usually imbedded in a matrix of quartzose grit and sand, but sometimes this is very scanty.
According to the French authorities, the dunes of France are not always composed of quartzose sand.
It is usual with quartzose ores to rely mainly on the action of carbonate of soda, but not entirely.
But a quartzose hearth is found to answer better, and to be far more durable; such as a bed of fire-sandstone.
The mountains were tinged with an amber-coloured light; and the quartzose crystals sparkled on the peaks of the southern sierra.
This island, like Number 1, which we visited in 1819, appears to be principally of quartzose formation.
"silicon dioxide," 1756, from German Quarz, Zwarc "rock crystal," from Middle High German twarc, probably from a West Slavic source, cf. Czech tvrdy, Polish twardy "quartz," noun uses of an adjective meaning "hard," from Old Church Slavonic tvrudu "hard," from Proto-Slavic *tvrd-, from PIE *(s)twer- "to grasp, hold; hard."
quartz (kwôrts)
n.
A very hard crystalline form of silicon dioxide used in chemical apparatus and in optical and electric instruments.
