Thus limonite is never, hematite is usually, and magnetite is always, crystalline.
Limonite and hematite are two great natural coloring agents, and almost all yellow, brown, and red colors in rocks and soils are due to their presence.
Underfoot everywhere the soft red hematite ore stained everything that it touched.
In spite of her physical bulk, Miss Hematite was mentally transparent.
But it is characteristic of the disorder which Miss Hematite had so recently acquired that no one save the person afflicted knows it's around till the case has taken.
She insisted on his drinking catsup instead of claret, and ordered the salad compounded with soft hematite instead of paprika.
Why, we named you Hematite because they struck the big find of ore in the mine that same morning.
Miss Hematite Kipley, aetat seventeen, coming into the room with a fragrant bowl of syringa blossoms, compared it favorably with any picture her beloved romancers had been able to conjure up.
Miss Hematitekissed her undoubted parent forgivingly, and rose from the ashes of her air castle like an undiscouraged young phoenix.
There is an exposure of hematiteone mile west of Swanannoa gap, in Buncombe, which gives to Ore mountain its name.
Beds of limonite exist in the Linville range, in workable quantities, but it makes an inferior metal unless mixed with hematite or magnetite, which is found not far away.
Immense deposits of excellent hematite ore in the old mountain-ranges near Lake Superior have recently become available.
The principal source of the hematiteis a lake near the headwaters of George's river where it occurs as a mass of disintegrated rock along the margin.
Some of them are colored red, with a mixture of vermilion and hematite earths, thinned with water.
The flesh side of the skin is painted with powderedhematite mixed with water or oil.
At the iron-smelting works near Alness a native hematite iron ore was used, as well as what is termed bog iron.
On the west bank of the pool at Poolewe, the landing-place both for Letterewe and the Red Smiddy, is a considerable heap of red hematite exactly similar to that found at Furnace, Letterewe.
He finds that the samples of hematite ore contain metallic iron varying in quantity from 30 to 60 per cent.
There are considerable quantities of clayband and hematite iron ores to be seen both here and nearer Poolewe bridge,--evidences of those ores having been landed here (see page 89).
Red hematite exactly the same as that in the Furness and Whitehaven districts in England.
At the Letterewe ironworks there are to be seen fragments of two kinds of imported iron ore, scattered in the soil of the field adjoining the furnace, or built into fence walls; they are red hematite ore, and clayband ironstone.
The specimen illustrated in figure 129, from a mound, is a good example of the manner in which the harder hematite was ground.
Some of the hematite pieces are incipient celts, hemispheres, or cones; but most of them were used merely to furnish paint, at any rate until rubbed down quite small.
Hematite is extremely widespread in rocks of all ages, especially in metamorphic and sedimentary rocks.
An important oxide of iron in composition like hematite except for its variable water content.
Hematite occurs on Gravel river about ten miles below the mouth of Natla river.
Once, in Peace river district, on the way from Lake Chipewyan, he found a deposit of red stone; he did not know whether it was ochre or hematite of iron.
Among them were the flint shown at a in plate 28, and the hematite ax, at a, plate 29.
The hematite is also worked at Ulverston, Askam, Dalton and elsewhere, but the furnaces now depend in part upon ore imported from Spain.
That part of Furness which forms a peninsula between the Leven estuary and Morecambe Bay, and the Duddon estuary, is rich in hematite iron ore, which has been worked from very early times.
On account of its density and the fine polish it takes, hematite was a favorite material with the ancient artificer.
Next to copper, hematite is the scarcest material employed by the pre-historic workman.
Near the right hand were two hematite celts, and on the shoulder were three large and thick plates of mica.
Near the hands of the eastern skeleton were a small hematite celt and a lance-head, and upon the left wrist of the other two copper bracelets.
Upon the breast was a sandstone gorget, and upon it a leaf-shaped knife of black flint and a neatly polished hematite celt.
My ore, as you know, is not hematite and is better than yours.
The days ran on into weeks of school, and now there were snow-shoe tramps or sleigh rides to see some big piece of casting at the forge, where persistently-curious John did learn from some one what hematite was.
What was the hematite iron-ore his uncle used at the works?
Fullerton, in his book on the subject, expresses the judgment that one province has enough hematite iron ore to last Europe for the next 150 years.
Without hematite iron deposits Germany cannot build her steamships, her cannon, her railways, her factories.
The Indians also used the clays of the Quartermaster, Tecovas, and Trujillo Formations to make pottery, and iron and copper minerals such as hematite and malachite were used to make red and green pigments for decoration and war paint.
Hematite is an ore of iron and psilomelane a manganese ore, though neither of these is present in commercial quantities in the canyon.
For several years past this iron mine has yielded many thousands of tons yearly of the finest red hematite ore.
Fully nine-tenths of the iron production of the world comes from the so-called hematite ores, meaning ores in which hematite is the dominant mineral, though most of them contain other iron minerals in smaller quantities.
Crystalline magnetite and hematiteare more resistant to erosion than almost any other type of rock, and stand out at the surface with proportional frequency.
The ore has been concentrated in the iron formation almost solely by the process of leaching of silica by surface or meteoric waters, leaving the hematite in a porous mass.
The large reserves of high-grade hematite in the Minas Geraes district of Brazil are also original sediments, but lack the oölitic texture.
The hematiteores of Brazil have many features in common with the Lake Superior ores in age and occurrence, but they have not been covered with glacial deposits.
Deposits of the second class, which owe much of their value to further enrichment since deposition, are represented by the hematite ores of the Lake Superior district.
Percentage of iron is of course an important factor; but an ore in which the iron is in the mineral hematite is more valuable than one with an equivalent percentage of iron which is in the form of magnetite.
The original condition is indicated by the facts that deep below the surface, in zones protected from weathering solutions, siderite and greenalite are abundant, and that they show complete gradation to hematite in approaching the surface.
The gossans are formed by oxidation and leaching of other minerals from the deposits, leaving limonite orhematite in concentrated masses (see pp.
For this reason an area of strong magnetic attraction is ordinarily regarded as not particularly favorable to the finding of important hematite deposits.
When hematite rusts, the brownish-yellow or yellow iron oxide, limonite, results.
Such clays turn red when heated, since the water of the limonite is driven off, leaving hematite as a residue.
In the center of this exhibit was a pyramid of red hematite iron ore from the famous Menominee, Baraboo, and Gogebic districts.
The fifth variety is a silicious hematite found with manganese, which, when mixed with other ores, produces an excellent quality of iron.
A mixture of the hematite and magnetic gives a metal superior, in every respect, to any that England can produce.
No one of experience in mining would look for brown hematite in a granite range, nor for black band, though such might be a likely region for red hematite or magnatite.
Had not a tree been uprooted by the wind the vast deposits of soft hematite iron ore in the Biwabic iron mines of the Mesabi range, Minnesota, might have remained unknown for many a long year to come.
The ores most frequently used in the metallurgy of iron are the following: Hematite Fe{2}O{3}.
At Ishpeming in the northern peninsula of Michigan is found the equally beautiful jaspilite composed of puckered alternating layers of black hematite and red jasper.
The streak and its notably lower specific gravity distinguish it from certain forms of hematite which it outwardly resembles.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "hematite" in a variety of sentences. We hope that you will now be able to make sentences using this word.
