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Aluminosilicate buy in Magnitogorsk
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Aluminosilicate

Aluminosilicate

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35000 RUB
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Russia, Magnitogorsk
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Description
Aluminosilicate
Aluminosilicates, alyumokremnevy soleobrazny connections which in the nature the group of widespread minerals treats. In crystal structure And. aluminum possesses, like silicon, and even kristallo-chemically replaces with fourfold tetrahedral coordination (it is surrounded with four atoms of oxygen) silicon, i.e. the chemical role of alumina is close (but it is not identical) to a silicon dioxide role. Aluminum can be a part of silicates and possess, like magnesium and the other typical bases, sextuple (octahedral) coordination. In this case the corresponding connections are aluminum silicates, for example minerals topaz, pyrophyllite, etc. When replacing in structural anion complexes of silicates of a kremnekislorodny radical (SiO4) 4-on (AlO4) 5-there are additional negative charges which in And. are compensated by occurrence of additional cations — usually To, Na or bivalent Ca, Ba with big radiuses of ions.
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