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Perlite vs Pearlite - What's the difference?

perlite | pearlite | see also |

As nouns the difference between perlite and pearlite

is that perlite is an amorphous volcanic glass formed by the hydration of obsidian while pearlite is a two-phased lamellar structure composed of alternating layers of alpha ferrite and cementite that occurs in some steels and cast irons, having a pearlescent appearance.

perlite

English

Noun

(wikipedia perlite) (en noun)
  • (mineralogy) An amorphous volcanic glass formed by the hydration of obsidian.
  • The lightweight insulating material and aggregate resulting from expanding perlite glass by heat.
  • *{{quote-book, year=1928, author=Lawrence R. Bourne
    • , title=Well Tackled! , chapter=4 citation , passage=Technical terms like ferrite, perlite , graphite, and hardenite were bandied to and fro, and when Paget glibly brought out such a rare exotic as ferro-molybdenum, Benson forgot that he was a master ship-builder, […]}}

    Anagrams

    * * ----

    pearlite

    English

    Noun

    (wikipedia pearlite)
  • A two-phased lamellar structure composed of alternating layers of alpha ferrite and cementite that occurs in some steels and cast irons, having a pearlescent appearance.
  • (mineral)
  • * 1835 , British Association for the Advancement of Science
    • inclosing great masses of pearlite and felspar.

    See also

    * perlite