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Thesaurus: pearlstone

A glassy volcanic rock of a grayish color and pearly luster, often having a spherulitic concretionary structure due to the curved cracks produced by contraction in cooling. See Illust. under Perlitic.

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pearlydefinitioncolordefinitionconcretionarydefinitioncontractiondefinitioncoolingdefinitioncracksdefinitioncurveddefinitionduedefinitionglassydefinitiongrayishdefinitionlusterdefinitionperliticdefinitionproduceddefinitionrockdefinitionseedefinitionspheruliticdefinitionstructuredefinitionvolcanicdefinitionpearlescentfamilypearlescentsfamilypearlfishfamilypearliesfamilypearliestfamilypearlingfamilypearlingsfamilypearlinsfamilypearlitefamilypearlsfamily

Definitions

  1. n. A glassy volcanic rock of a grayish color and pearly luster, often having a spherulitic concretionary structure due to the curved cracks produced by contraction in cooling. See Illust. under Perlitic.
  2. A glassy volcanic rock of a grayish color and pearly luster, often having a spherulitic concretionary structure due to the curved cracks produced by contraction in cooling. See Illust. under Perlitic.
  3. n. A glassy volcanic rock of a grayish color and pearly luster, often having a spherulitic concretionary structure due to the curved cracks produced by contraction in cooling. See Illust. under Perlitic.