The limestone may have been originally a mass of fragments of this kind with the aluminous and magnesian material of the spinel in their interstices.
Pertaining to or containing alum, or alumina; as, aluminous minerals, aluminous solution.
An aluminous variety is known as gedrite, and a deep green, Russian variety containing little iron as kupfferite.
Allophane is always of secondary origin, resulting from the decomposition of various aluminous silicates, such as felspar.
When perfused with boric and fluoric vapours from the granite they may contain much axinite, fluorite and datolite, but the aluminous silicates (andalusite, &c.
It is now applied to the dark-coloured aluminous members of the monoclinic amphiboles, occupying in this group the same position that augite occupies in the pyroxene group.
It is not to be confounded with the primitive argillite which occurs below transition limestone, and is met with in the highly primitive parts of New England, nor with the aluminous schist of the great secondary formation to the west.
Where mica abounds, it becomes black and metallic; and the aluminous matter is crystallised in the form of garnets.
Limestone, (carbonate of lime,) has always more or less aluminous or silicious earth in its composition.
Of manures which may be termed fossils we will mention the various kinds of calcareous substances, the stony matter called pyrites, coal, salt, peaty substances, silicious and aluminous earths.
It is a finely levigated silico-aluminous earth--formed by the disintegration of feldspathic or granite rocks.
The aluminous minerals contained in granite rocks are feldspar, mica, and hornblende.
It belongs to the aluminous division of the species, and is also characterized by its containing considerable iron.
Do not use clay for your hearth bed unless you can get a highly aluminous clay, and can give it full time to dry before the forge fire is lit.
Two Agues which had resisted the Use of the Bark were cured by Powder of Camomile-Flowers, Salt of Wormwood, and diaphoretic Antimony; and one by the Use of the aluminous Powders, with Myrrh.
Should heavy rains supervene, a gutter must be scooped out round the pile for receiving the aluminous lixivium, and conducting it into the reservoir.
When the aluminousmordant predominates, the madder gives an amaranth tint.
All practical men know that certain aluminous mordants are decomposed by heating them, and restored on cooling, as Gay Lussac has pointed out.
The construction of an evaporating furnace well adapted to the concentration of aluminous and other crude lixivia, is described under SODA.
Here, an aliquot measure of the aluminous liquor being taken, the liquid precipitant must be added in successive portions, as long as it causes any cloud, when the quantity added will be indicated by the graduation of the vessel.
To determine the entire combination of the aluminous sub-salts with the stuffs, by separating almost all the acetic acid which was not volatilized in the stove-drying of the mordant.
Alumina is high in the finer clays (18 to 30%), and they are the most aluminous of all sediments, except bauxite.
When a limestone does not copiously effervesce in acids, and is sufficiently hard to scratch glass, it contains siliceous, and probably aluminous earth.
Clay consists of a mixture of siliceous and aluminous earth.
Soils are distinguished according to their predominant minerals, as siliceous, aluminous and calcareous.
Thus, silica and alumina are combined to form the aluminous silicates, which enter so largely into the composition of the crust of the earth.
For the most part they consist mainly of aluminous silicates, some of them being highly acid compounds with 75% or more of silica.
Bauxite and some of the highly aluminous clays of the Coal Measures appear to be of this type.
Lateritic or highly aluminous clays, of a highly refractory character, but low plasticity.
A dark green aluminous variety of amphibole, or hornblende.
Bird's process--A mixture of aluminous earths and sulphuric acid.
At the bottom of the kiln a vaulted fireplace is made of the same kind of rock; the remainder of the empty part of the kiln is then entirely filled with the same aluminous rocks.
Aluminous rock is first roasted in a furnace similar to a lime kiln.
Skilled workmen in a similar way to nature, evaporate water which contains juices of this kind until it is condensed; from salty ones they make salt, from aluminous ones alum, from one which contains vitriol they make vitriol.
The earthy powder, which remains three to four digits thick as the residue of the alum at the bottom of the trough is again thrown into the caldron and boiled with fresh aluminous material.
Alum is also made from crude pyrites and other aluminous mixtures.
This term was used for the feathery alum efflorescence on aluminous slates.
If vitriol forms part of the aluminous ore, the material is dissolved in water without being mixed with urine, but it is necessary to pour that into the clear and pure solution when it is to be re-boiled.
Pliny, too, has left a record that when wells are sunk, the sulphurous or aluminousvapours which arise kill the well-diggers, and it is a test of this danger if a burning lamp which has been let down is extinguished.
The pebbles, especially on the higher plains, are often whitewashed, and even cemented together by a white aluminous substance, and I occasionally found this to be the case with the gravel on the terrace D.
This gypsum contains some foreign particles of stone; it is stained, judging from its action with borax, with iron, and it exhales a strong aluminous odour.
As an example of the great lights, and penetrating genius, of this assiduous studier of nature, I refer to the judicious observations which he has made upon the subject of aluminous earth, in this dissertation.
We have also, in this country, strata which differ from thosealuminous schisti only in the nature of the earth, with which the bituminous sediment is mixed.
Those substances are chiefly the siliceous and aluminous earths.
Among the lowest species of this combustible schistus are those argillaceous strata in Yorkshire from whence they procure alum in burning great heaps of this stone, which also contains sulphur, to impregnate the aluminous earth with its acid.
The American golden rod, solidago canadensis, affords a very beautiful yellow to wool, silk and cotton upon an aluminous basis.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "aluminous" in a variety of sentences. We hope that you will now be able to make sentences using this word.
