Perlite 2 to 4 MM - 250gms
per piece
Product details
Perlite is the name of a naturally occurring mineral. In nature, it exists as a type of volcanic glass, created when the volcanic obsidian glass gets saturated with water over a long time.
And since fertile volcanic areas have been settled since biblical times (due to fertile soils), humans have been aware of perlite at least since Third Century BC.
Natural perlite dark black or grey colored amorphous glass. Amorphous means that it doesn’t have any definite shape or structure, unlike a crystal.
