更多geyserite例句

1. The Constant is visible from the roadway in the bottom of a large tract of geyserite which is unsafe for pedestrians.
2. Geyserite, a white, porous, stringy variety deposited by certain hot springs like the Yellowstone geysers.
3. This particular form of Opal is known as geyserite, and it is often differently colored by different ingredients.
4. Of what use are pieces of geyserite when taken away from their natural environment?
5. They come nearer in character to the Yellowstone geysers, their waters depositing true geyserite, or silicious concretions.