Perlite
Esquema
Jerarquía
<materials by composition> > inorganic material > rock > igneous rock > <igneous rock by origin> > extrusive rock > pyroclastic rock > volcanic glass
Descripción
A volcanic glass that contains about 75% silica and usually has a higher water content than obsidian; found in Oregon and California. Commercially, the term refers to volcanic glass that will expand or "pop" when heated to form a lightweight aggregate.
URI original del concepto
Otros términos
- 珍珠岩 [zh]
- perliet [nl]
- fonolita [es]
- zhēn zhū yán [zh]
- zhen zhu yan [zh]
- chen chu yan [zh]
- calite [en]
- perlita [es]