Sup, iam Florence Dean, You have yourself a good one!
Does Pumice Contain Quartz?
Pumice does not contain quartz or any other mineral grains. This is due to the rapid cooling process from explosive volcanic magma. Pumice appears very porous and sponge-like from the many gas bubbles present as it cools. It is very lightweight and will float on water.
Melting Rocks and Rock Glaze Experiments
I start with gravel in my backyard, find which type of rock melts in my kiln, and attempt to make a small test glaze from that rock.
Ask-a-Geologist #11: Why do pumice and scoria have holes when granite does not?
Peter asked why
PUMICE AND LAVA ROCK AS SUBSTRATE | Anthurium plant
Ever wonder what happens if you use
