Compact and sparry limestones are frequent in this region; but all the rocks seem to be acted upon with great rapidity by currents of water.
There is, however, always something in the arrangement and in the aspect of the crystals to distinguish these sparry varieties from the primitive granular limestone, to which they have something of general resemblance.
Cliffs of sparry limestone rise in the rear of the site we had selected, to an elevation of near three hundred feet.
Three thousand steps in sparry clefts they stray, 120 Or seek through sullen mines their gloomy way; On beds of Lava sleep in coral cells, Or sigh o'er jasper fish, and agate shells.
The principal ores of zinc are, the sulphuret called blende, the silicate called calamine and the sparry calamine, or the carbonate.
The first has a sparry and lamellar fracture; with a colour varying from yellowish-gray to isabella yellow, or even to brownish-red.
It may be concluded that there is a notable loss, since the sparry iron ores, which are those principally smelted, contain on an average from 54 to 56 per cent.
Stamped and washed carbonate of iron (sparry iron ore) is now added, in the proportion of about 10 per cent.
These ores occur in primitive and transition districts in vast masses and powerful veins; and are commonly accompanied with gray copper, sulphuret of iron, sparry iron, sulphurets of lead, and zinc.
The compact carbonate of iron has no relation externally with the sparry variety.
The rock contains a portion of sparry matter, which is arranged in reticulæ, filled with white carbonate of lime, in such a state of loose disintegration that the weather soon converts it to the condition of agaric mineral.
It stands on the slope, and part of the summit of a broad hill, elevated about one hundred and fifty feet above the Mississippi, and having a deep primary soil resting on horizontal strata of compact and sparry limestone.
Though the stratifications of this sparrylimestone are horizontal, the rock is little divided by seams and fissures, and would undoubtedly afford a valuable marble, not unlike the Darling marble quarried on the Hudson.
These are of a white sparry limestone, abounding in remains of encrini and other marine animals.
This lustre is, however, as shown by examination with the magnet, owing almost exclusively to minute facets of calcareous crystals, which render it rather sparry than crystalline.
I took a lump of the purest ore, completely freed from all sparry and other extraneous matter, beat it into a very gross powder, and roasted for an hour and a half in a moderate heat, with frequent stirring.
This last is found in pretty large masses, and sometimes mingled with sparry iron-ore, in the ravine of Tocume, to the west of the Silla.
I found in the primitive limestone a great many crystallized pyrites, and rhomboidal fragments of sparry iron-ore of Isabella yellow.
The sun shining through, gave it a sparrybrilliance which was perfectly magnificent.
Here we find fragments of rock and spar floating in the body of a vein filled with metallic substances; there, again, we see the various fragments of metallic masses floating in the sparry and siliceous contents.
But in this mineral specimen, we have a solid crystalline salt, with a structure which, upon fracture, appears to be sparry and radiated, something resembling that of zeolite.
Were the first supposition true, appearances would be observable, showing that the sparry substance had been admitted, either through the porous structure of the stone, or through proper apertures communicating from without.
A body, whose external form has been modified by this process, is called a crystal; one whose internal arrangement of parts is determined by it, is said to be of a sparry structure; and this is known from its fracture.
We frequently find in it much calcareous spar, or the terra calcarea aerata, which had been in a melted state by heat, and had been crystallized by congelation into a sparry form.
The singularity of this specimen consists, not in the nature or proportions of its constituent parts, but in the uniformity of the sparry ground, and the regular shape of the quartz mixture.
Thus, the siliceous substance is to be considered as included in the spar, and as figured, according to the laws of crystallization proper to the sparry ground; but the spar is also to be found included in the quartz.
On penetrating the sparry crust, he found the usual ossiferous bed; but pressing engagements compelled him to leave the deposit unexplored.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "sparry" in a variety of sentences. We hope that you will now be able to make sentences using this word.
