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Answer for the clue "Main source of aluminum ", 7 letters:
bauxite

Alternative clues for the word bauxite

Word definitions for bauxite in dictionaries

WordNet Word definitions in WordNet
n. a clay-like mineral; the chief ore of aluminum; composed of aluminum oxides and aluminum hydroxides; used as an abrasive and catalyst

Wikipedia Word definitions in Wikipedia
Bauxite , an aluminium ore , is the world's main source of aluminium. It consists mostly of the minerals gibbsite (Al(OH)), boehmite (γ-AlO(OH)) and diaspore (α-AlO(OH)), mixed with the two iron oxides goethite and haematite , the clay mineral kaolinite ...

Usage examples of bauxite.

The implication is that if you are looking for bauxite, a good starting point is to find out where clay is mined for porcelain.

Refining plants are located near mine sites, if possible, since transportation is the major item in bauxite costs.

Hence, if we are mining it further away, we will be collecting the bauxite with pickaxe and shovel, carrying it out of the mine by wheelbarrow, hoist, or mine car, and shipping it to the processing plant by pack mule, wagon, barge or ship.

IAI, in southern Europe and Hungary, bauxite is most often found in pockets.

Surinamese bauxite, one ton for the Jamaican, and two tons for the Arkansan.

One possible excuse would be that Deville was influenced by the French supply of bauxite, which might not be made available to other powers.

Steel-hulled ships would make it safer to fetch Jamaican bauxite or Greenland cryolite.

Suppose we know the capital and operating costs for bauxite mining, alumina production and aluminum smelting in the twentieth century.

In 1963, the cost of mining and drying bauxite was estimated as being 1.

In 1900 Arkansas, bauxite was mined manually, and transported by wagon to the railroad station at Bryant.

As the glow faded, the stone blocks of bauxite began to fall away, no longer cemented, tumbling down into a pit hidden below the hearth.

I took enough chances in getting the meteorite down to you and in telling you where the bauxite and platinum are.

Sam had been able to trade iron weapons for bauxite, cryolite, cinnabar and platinum.

Mysterious Stranger directed the meteorite to fall right by the bauxite deposits?

But the essence of his speech was that he might cut off the bauxite and other minerals.