Of what use are pieces of geyserite when taken away from their natural environment?
The Brilliant is a beautiful blue hot spring and near to it is the Comet, which has built up a small cone of geyserite.
geyserite, a white, porous, stringy variety deposited by certain hot springs like the Yellowstone geysers.
The Constant is visible from the roadway in the bottom of a large tract of geyserite which is unsafe for pedestrians.
Everywhere steaming hot springs are seen, also mounds and cones of geyserite.
This particular form of Opal is known as geyserite, and it is often differently colored by different ingredients.