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spherulite

Line breaks: spher¦ul|ite
Pronunciation: /ˈsfɛrjʊlʌɪt
 
/

Definition of spherulite in English:

noun

chiefly Geology
A small spheroidal mass of crystals (especially of a mineral) grouped radially around a point.
Example sentences
  • Although they lack the fibrous, radiating crystals that conform to the traditional definition of a spherulite, their cores show a crystal size and density somewhat higher than that of the surrounding rhyolite shell.
  • In the absence of salt, the spherulite kinetic assay suggests the presence of spherulites from ~ 40 to 45 min.
  • Under the polarized light microscope, addition of a full waveplate to the optical set-up showed that spherulites grown in the absence or presence of salt contain radially oriented amyloid fibrils.

Origin

early 19th century: from spherule + -ite1.

Derivatives

spherulitic

1
Pronunciation: /-ˈlɪtɪk/
adjective
Example sentences
  • Their study of whole-rock chemistry has shown somewhat higher silica contents of the spherulitic structures as compared to the host rhyolite glass.
  • They typically grow in two-dimensional fanlike and spherulitic arrays.
  • Besides, the aragonitic shell is made up of two oriented layers: an irregular spherulitic prismatic layer and a fine complex crossed lamellar layer.

Definition of spherulite in:

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