Herbertsmithite is a fancy name for a special type of rock. It is not a normal rock like the ones you see on the ground but something very special that scientists like to study. It is made up of copper, zinc, and some other elements that are arranged in a very particular way.
Imagine you have a box of legos that you are trying to put together. You need to follow the instructions very carefully to make a specific design. Similarly, the copper and zinc atoms in herbertsmithite are arranged in a very specific pattern that gives the rock its unique properties.
One cool thing about herbertsmithite is that it has tiny, tiny tunnels that run through it. These tunnels are so small that you would need a microscope to see them. Scientists think that these tunnels could be used to move electricity or light through the rock in a special way.
Another important thing about herbertsmithite is that it doesn't have any magnetism. This might not sound like a big deal but it is actually very important for certain scientific experiments where you need to control the magnetic properties of the materials you are working with.
So in summary, herbertsmithite is a special kind of rock made up of copper, zinc, and some other elements arranged in a certain way. It has tiny tunnels that could be used to move electricity or light through it and it doesn't have any magnetism, which is important for scientific experiments.