crys·tal·lite /ˈkrɪstəˌlaɪt/
 雛晶; 微晶


 crystallite
 微晶


 Crys·tal·lite n.  Min. A minute mineral form like those common in glassy volcanic rocks and some slags, not having a definite crystalline outline and not referable to any mineral species, but marking the first step in the crystallization process. According to their form crystallites are called trichites, belonites, globulites, etc.

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 crystallite
      n : any of numerous minute rudimentary crystalline bodies of
          unknown composition found in glassy igneous rock