Only now the actual role of what has been described as the "aging" (Alterung) of amorphous alumino-silicates (as for example Harder, 1978 had noted) can be fully understood.
Só entón se puido comprender completamente o papel real do que fora descrito como “envellecemento” (Alterung) dos alumino-silicatos amorfos (como por exemplo indicara Harder, 1978 ).