Extra large oval shaped semi precious gemstone deep dark blue Spiderweb Obsidian collector designer cabochon 75 mm (3 inches!) by 38 mm and 5 mm thick.
This semi precious gemstone variety of Obsidian is called Spiderweb Obsidian, for its great web pattern.
Obsidian is a natural volcanic glass.
Spiderweb Obsidian comes from Chihuahua, Mexico.
The designer cabochons are a lovely midnight or very dark blue with sky blue "webbing". It is so reflective it is very hard to photograph!
Metaphysical Properties: Spiderweb Obsidian is said to provide strength in times of need. It is believed to bring calm and reduce stress.