Magsidian

Magsidian is a rare dwarven mineral that changes properties based on the way it is carved. It is commonly used as a security measure, as in the case of exile, in which the councilors were each given a pendant carved of magsidian.

Known Uses of Magsidian
LEAPING CRYSTAL- A Magsidian leaping crystal consists of a shiny, long, thin black stone with only one facet. When held up to the sun, the beam of "light" it casts looks more like shadow and it feels very cold when stepped into. It can lead to the Gateway to Exile.

WATER FLASK- When carved into a flask for water, the flask is able to collect water from the air. First mentioned in Exile, Sophie notes that the water tasted sweeter than the contents of a bottle of youth.

BLACK SWAN PENDANT- The Black Swan Pendant is given to new members after they say their oath. It has multiple uses including shattering force fields and lighting fires.

ROUNDED DISK OF MAGSIDIAN- Barely anything is known about this disk, other than the fact that it opens a door that is in the Room Where Chances are Lost.

BLACK SWAN CHARM- Different from the the Black Swan pendant, this charm was delivered to Sophie in Exile. It affected the compass, once added to the bracelet. It points to the High Seas facility.