Cryolite occurs in colourless or snow-white cleavable masses, often tinted brown or red with iron oxide, and occasionally passing into a black variety.
Cryolite occurs almost exclusively at Ivigtut (sometimes written Evigtok) on the Arksut Fjord in S.
Cryolite is a mineral of much economic importance.
Hall while he was a student working in a college laboratory, that the mineral cryolite will absorb alumina to the extent of twenty-five per cent.
But so soon as the alumina becomes exhausted, resistance to the current rises in the cryolite solution and, as it were, dams back the electric current until it overflows into the wire at sufficient pressure to start the signal lamp.
The box is partially filled with cryolite and the current is turned on, generating enough heat to melt the cryolite.
As a part of the voltage is consumed in the latter duty, only the residue can be converted into chemical work, and as the theoretical voltage of the aluminium fluoride in the cryolite is 4.
Kleiner propounded a cryolite method which was worked for a time by the Aluminium Syndicate at Tyldesley near Manchester, but was abandoned in 1890.
When cryolite is used for the preparation of alum, it is mixed with calcium carbonate and heated.
It has been found, however, that molten cryolite and the analogous double fluoride represented by the formula Al2F6.
Cratzel patented a useless electrolytic process with fused cryolite or the double chloride as the raw material, and in 1886 Dr E.
It forms a series of double fluorides, the most important of which is cryolite (q.
Cryolite is not a safe body to electrolyse, because the minimum voltage needed to break up the aluminium fluoride is 4.
It consisted simply in reducing cryolite with metallic sodium exactly as in Deville's chloride method, and it was claimed to possess various mythical advantages over its rival.
A fluoride of alumina and soda occurring with the Greenland cryolite in octahedral crystals.
A fluoride of aluminium, calcium, and sodium occurring with the cryolite of Greenland.
Defn: A fluoride of aluminium, calcium, and sodium occurring with the cryolite of Greenland.
Defn: A fluoride of alumina and soda occurring with the Greenland cryolite in octahedral crystals.
And we would have to have cryolite ore to serve as the solvent in the smelting process.
The carbon-lined smelting box was ready and the current flowed between the heavy carbon rods suspended in the cryolite and the lining, transforming the cryolite into a liquid.
Tomorrow men will go out after bauxite and cryolite and four of us will go up the plateau to look for iron.
There's a seam of cryolite in the Eastern Hills, according to the old maps," said Lake.
Most of the supply of cryolite comes from Greenland, where it occurs in veins running through gneiss rocks.
Cryolite in appearance resembles white quartz or ice, with a mixture of snow in it.
Small quantities of cryolite have been found in the Ural Mountains and a trace was discovered at Pike's Peak, in our own country, some years ago, but it did not pan out.
Yes, this was the mining town famous the world over as containing the only cryolite mines so far discovered on the globe.
He helped us to make our way to Ivignut, where the cryolite mines are, and thence we got back to England by way of Denmark.
He was punished, and, in resentment, he withdrew to a place on the west coast, about sixty miles north of the famous cryolite mines.
On the homeward voyage the Danish ship was captured by a British man-of-war and the specimens of cryolite went to an English institution, where they were analyzed for the first time.
The principal work of the employees is in quarrying the cryolite and piling it on the wharf, ready for shipment both to the Old and New World.
A genuine cryolite mine within easy reach would prove a bonanza to the discoverer.
And now how many of my readers can tell me what cryolite is?
It afterward came into the possession of the company that owns the cryolite mine at Ivigtut, and is now used to carry laborers and supplies from Copenhagen to that place.
The cryolite is a rare mineral and the sole one which has become an article of trade in Greenland.
Cryolite is converted by a chemical process into soda and an alumina unequalled as regards purity and fitness for the art of dyeing.
The walnut husk maggot can be controlled by spraying the trees with lead arsenate or cryolite the latter part of July and again 3 to 4 weeks later.
The mineralcryolite is a fluoride of aluminium and sodium.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "cryolite" in a variety of sentences. We hope that you will now be able to make sentences using this word. Other words: alabaster; asphalt; mineral
