What Is Perlite?

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Perlite is an amorphous volcanic glass that has a moderately high content of water, typically formed by the hydration of obsidian. It occurs naturally and has a unique property of greatly expanding when heated sufficiently.
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What Is Perlite?
Perlite is a substance that has many commercial and industrial uses. Also known as volcanic glass, perlite is used in agriculture, shipping, medicine and a host of other applications.... More »
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Perlite is a volcanic glass that resembles masses of small spheroids, used as a plant growth base. It's very popular in science an dlabs.
Q&A Related to "What Is Perlite"
Perlite is a pourous volcanic rock. It has a higher percentage of moisture then other types of rocks. The most common use in in gardening. When perlite is added to soil it increases
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Perlite is a volcanic rock mined in the United States, as well as other countries like China, Greece, and Italy. The volcanic glass, or perlite, is formed when lava (molten rock)
http://www.ehow.com/about_5402928_perlite.html
An aggregate formed by heating and expanding siliceous volcanic glass.
http://wiki.answers.com/Q/What_is_perlite_in_mater...
( ¦pər¦lid·ik ) (petrology) Of the texture of a glassy igneous rock, exhibiting small spheruloids formed from cracks due to contraction during cooling. Pertaining
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Perlite is a pourous volcanic rock. It has a higher percentage of moisture then other types of rocks. The most common use in in gardening. When perlite is added ...
Perlite is a pourous volcanic rock. It has a higher percentage of moisture then other types of rocks. The most common use in in gardening. When perlite is added ...
1. Check Lowe's, Home Depot, and Wal-Mart for perlite. Each of these large chain stores usually carry perlite. They are, therefore, the best places to check first ...
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