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Perlite and Pumice
Title book : Perlite and Pumice
Author : Mansour Qorbani
Publisher date : February 2000
Chapter title : Chapter 3 –Pumice
Data title : 2-3-Pumice, Pumice and volcanic Ash

Definition –Pumice – Pumice and volcanic ashes are products of explosive eruptions which are caused from vigorous explosion , resulted from soluble gases in a concentrated acidic lava, rhyolite or dacite scoria is alkaline equivalent of pumice  pumice is a aluminum silicate with igneous origin that light color and chamber structure.


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