Petrean Spire (Tetrawyvern)

The Petrean Spire is an artificial planet-like tower floating through space owned by Yellow Diamond. It was created by Tetra and is home to many of her Gem characters.

Description
The Petrean Spire is, quite literally, a spire. It is an extremely tall and wide tower that somehow manages to stay stable as it floats through space. Its surface is mostly smooth, save for a few decorative windows and carvings placed in various locations on the outside wall. The Great Diamond Authority's insignia sits at the spire's top.

Internally, it consists of multiple different floors which I'm too lazy to describe right now gimme a sec hhhh

Inhabitants
The Petrean Spire consists of a variety of Gem types assigned to perform a variety of tasks depending on their caste. Notable Gems living in the Spire include:
 * Chiastolite (aka : A