S0633900 (sfîr′yə-līt′, -ə-līt′, sfĕr′-)n. A small, usually spheroidal body consisting of radiating crystals, found in obsidian and other glassy lava rocks.spher′u·lit′ic(-lĭt′ĭk) adj.
spherulitic
enUK
spherulitic
[¦sfir·ə¦lid·ik] (petrology) Relating to the texture of a rock composed of numerous spherulites. Also known as globular; sphaerolitic.