granophyre
/ˈɡrænəˌfaɪər/
noun
- A fine-grained igneous rock with a texture similar to granite, often containing quartz and feldspar.
- Geologists found a large outcrop of granophyre in the mountain range.
- Granophyre forms when magma cools quickly near the Earth's surface.
- The countertop was made from polished granophyre, giving it a speckled appearance.