noun
- A rare mineral consisting of a hydrated basic sodium aluminum carbonate, typically found in sedimentary rocks.
Usage: technical; mineralogy
Examples
- Dawsonite was first identified in the Tertiary oil shales of Colorado.
- The presence of dawsonite in the rock sample indicated specific depositional conditions.
- Geologists study dawsonite to understand the chemical history of ancient sedimentary basins.
- Dawsonite crystals are typically very small and require microscopic examination.