The material cools so swiftly that atoms from the soften are unable to organize themselves right into a crystalline structure. Hence, pumice is an amorphous volcanic glass generally known as a "mineraloid." Due to its porous composition, pumice is Utilized in soil mixes for horticulture. It helps with water retention, https://allkindsofsocial.com/story4751370/the-ultimate-guide-to-pumice-stone