These Howlite Tumblestones sold in a few different sizes.
Howlite is a white stone which is often sold dyed to look like Turquoise.
They are small enough to make a nice decoration in a small vase or a bowl, and could be used as fishtank or aquarium gravel. Because of their colour, they contrast with pretty much anything except clear stones. I like to use them to break up bands of colour in vases and jars of tumblestones, personally.
The pictures you see here are representative of the products and are usually not the exact item you will receive. Where various grades are available we do try to photograph each grade – but some photographs are still on their way!