Any of many small rudimentary, crystalline figures of unknown composition found in glassy igneous rocks.
A small area of an excellent that is comprised of a single crystal; a grain
A minute mineral type like those common in glassy volcanic stones many slags, devoid of a certain crystalline overview and not referable to any mineral species, but establishing the first step in crystallization procedure. Relating to their particular form crystallites are called trichites, belonites, globulites, etc.
Whinstone cooled slowly after fusion.
The expression recommended by Vogelsang as a general name for aggregations of globulites in various types. See cumulite, margarite, and longulite.
any of many min rudimentary crystalline bodies of not known structure present in glassy igneous stone