'Microlite' definitions:

Definition of 'Microlite'

From: GCIDE
  • Microlite \Mi"cro*lite\, n. [Micro- + -lite.] (Min.) [1913 Webster]
  • 1. A rare mineral of resinous luster and high specific gravity. It is a tantalate of calcium, and occurs in octahedral crystals usually very minute. [1913 Webster]
  • 2. (Min.) A minute inclosed crystal, often observed when minerals or rocks are examined in thin sections under the microscope. [1913 Webster]