For the most part they consist mainly of aluminous silicates, some of them being highly acid compounds with 75% or more of silica.
aluminous rock is first roasted in a furnace similar to a lime kiln.
Alumina is high in the finer clays (18 to 30%), and they are the most aluminous of all sediments, except bauxite.
The gums were pared away, in many successive operations; and the wounds were washed with aluminous water.
Of all the saline substances which have given me satisfactory results, the aluminous deliquescent salts are to be preferred.
It is a species of lake, having a considerable proportion of aluminous base, to which its paler tint is due.
And Pliny says, sulphureous water is useful for the nerves, aluminous for paralytics, or other relaxed habits of the body.
It was then indispensable to seek an aluminous salt, containing more of the base and a less powerful acid.
Birds process—A mixture of aluminous earths and sulphuric acid.
It dyes a fast blue upon linen and cotton goods, with tin and aluminous mordants.