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The nodules of pyrites, often picked up on beaches, with their false appearance of having been melted by intense heat, pass muster easily with children and sailor folk for the genuine thunderbolts.
They confine their attention to iron and coal. There are extensive paraffine-works in Oravicza; the crude oil is distilled from the black shale of the Steirdorf coal, yielding five per cent of petroleum. At Moldova, where we were recently, the same company have large sulphuric acid works, employing as material the iron pyrites of the old mines.
The ore contained in these bedded veins exhibits some variety of composition, but where unaffected by atmospheric action consists of argentiferous galena, iron pyrites carrying gold, or the sulphides of zinc and copper containing silver or gold or both. The ore of the Walker and Webster and the Piñon is chiefly lead-carbonate and galena, often stained with copper-carbonate.
On the application for a concession to treat tailings, 'Mr. Taljaard wished to know if the words "pyrites" and "concentrates" could not be translated into the Dutch language. He could not understand what it meant. He had gone to night-school as long as he had been in Pretoria, and even now he could not explain everything to his burghers.
We have also sufficient evidence that those fusible and inflammable coals, which have not been distilled to a caput mortuum, had been subjected to the operation of subterraneous heat, because we find those fusible coals subject to be injected with pyrites, as well as the more perfect coal.
If you find a dove, with a branch of olive in its mouth, engraved in pyrites, and mount it in a silver ring, and carry it with you, everybody will invite you to be his guest, and people will feast you much and frequently. The figure of a syren, sculptured in a jacinth, rendered the bearer invisible.
A collection from the iron and copper mines of Sweden, as well as various crystals and rocks from the same country. A very complete and diversified collection of minerals from the country of Saltzburg. Another of substances procured in England, such as fluates and carbonates of lime from Derbyshire; pyrites, copper and lead ore, zinc, and tin from Cornwall.
On the wall ticked an old-fashioned square wooden clock. The floor was concealed by a rag carpet. So much for the East. The West contributed brilliant green copper ore, flaky white tin ore, glittering white quartz ore, shining pyrites, and one or two businesslike specimens of oxygenated quartz, all of which occupied points of exhibit on the "whatnot."
And presently they found, tucked away in Corrus's lion-skin, a large chunk of the pyrites, and a similar piece on Dulnop. "So these were the discoverers," commented Supreme. "What is your will in their case?" the subordinate asked. The commanding bee considered for a long time. Finally she got an idea, such as bees are known to get once in a great while.
This great naturalist is convinced that the spar had not been here introduced by infiltration, although that is the very method which he employs to form concretions, not only of spar but of crystal, zeolite, and pyrites, in the closest cavities of the most solid rocks of basaltes.
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