Re: Ematite

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From: Belfagor <massimo_main_at_hotmail.com>
Date: Wed, 20 Feb 2002 12:36:57 +0100

> L'ematite se riscaldata diventa magnetica. qualcuno sa dirmi il perch�?
> La magnetite a temperatura ambiente � magnetica.

L'ematite � un minerale di ferro?
Se riportata a temperatura ambiente mantiene il
magnetismo o lo perde?
Received on Wed Feb 20 2002 - 12:36:57 CET

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