Obsidian

Obsidian is a magmatic effusive glassy rock.
This lava substance was formed by the extremely rapid cooling of the lava. The combination with rock crystal is very important for the removal of energy blocks in the individual wearing it.
It can be found in many places around the world; in Iceland, Java (Indonesia), Gyali (a Greek volcanic island), Mexico, Peru and even in Sardinia and Sicily in Italy.
obsidian-natural-stone