shadestone
nounUK /ˈʃeɪd.stəʊn/
US /ˈʃeɪd.stoʊn/
A shadestone is a cool, dark rock that feels like a little piece of shadow you can hold.
Mia found a smooth shadestone by the river and kept it in her pocket all day.
OTHER MEANINGS
2. A gemstone that looks almost black until light shines through it.
The jeweler set a shadestone into the silver ring.
3. A marker stone placed in the shade of a path to show the way.
We followed the shadestones along the forest trail.
4. A heavy, gloomy feeling that stays with someone.
A shadestone of worry sat in his chest before the test.
5. In old stories, a magical stone that can hide things in darkness.
The wizard used a shadestone to make the treasure invisible.