The series premiered on demand on November 23, 2015, and on Syfy on December 14, 2015. A 13-episode second season premiered on February 1, 2017. In March 2017, Syfy renewed The Expanse for a 13-episode third season to air in 2018.
Perlite is an amorphous volcanic glass that has a relatively high water content, typically formed by the hydration of obsidian.
It's also a stone for learning! Lean more about Sodalite here. Sodalite is a stone of logic, rationality, and efficiency. It is helpful for work in groups and stimulates thought. Sodalite is a stone that is good for healing breaches in communication. It is a stone of truth, and brings this to all communications. It is called a Poet's Stone. It can help end arguments or other disagreements.