Study of Electrical Properties of Some Amphibole Asbestose

The dielectric constant Ke, electrical susceptibility and the voltage dependence of the electrical conductivity have been studied at room temperature for five specimens of amphibole asbestos, including anthophyllite, grunerite, tremolite, actinolite and rebeckite. The sudden increase in electrical conductivity at voltage 400 volt for our specified grunerite specimen indicated a surprising phenomenon and correlated with the beginning of the transition of oxidation states of iron in the specimen and creation of new electrical carriers. It is a phenomenon of voltage stabilization