spherulite noun.
['sfɛrjʊlʌɪt] E19.[from SPHERULE noun + -ITE1.]1. Mineralogy. A concretionary substance occurring in small spherular masses in certain rocks. Only in
19.2. Geology. A small spheroidal mass found in rock;
spec. one consisting of many crystals grouped radially around a point.
E19.3. A small spheroidal mass of crystals or fibrils of any substance, esp. a polymer.
L19. [TahlilGaran] English Dictionary ▲