spherulitic
/ˌsfɛrəˈlɪtɪk/
adjective
- Relating to or having the form of small, rounded crystalline structures (spherulites), often found in rocks or glassy materials.
- The spherulitic texture of the obsidian gave it a speckled appearance under the microscope.
- The spherulitic formations in the ancient lava flow were studied for clues about the eruption's history.
- Geologists identified the spherulitic pattern in the volcanic rock as evidence of rapid cooling.