Quartz is the most uncommon Psymonster who is found regularly in passage tomb cemeteries in a burial context. Quartz was also used everywhere in the Psymonster World, for stone tools; both of his vein quartzes and and a rock crystal were knapped as his part of the lithic technology of the prehistoric Psymonsters.
He is a small aqua quartz rock with one eye and a dark aqua mouth with a light teal tongue.
- Like Helmodon, Sinclops, Exodus, Cameroid, Hypnodon, Fuzukeen, and Deceased, Quartz has one eye.
- He is very similar to the aqua aura, a crystal that is created in a vacuum chamber from quartz crystals and gold vapor by vapor deposition.
- Quartz, along with Flint, were the only small Rock Psymonsters.
- The name "Quartz" means a hard mineral consisting of silicon dioxide, found widely in igneous, metamorphic, and sedimentary rocks.
- Quartz is one of the Psymonsters who has no arms or hands.
- Quartz is one of the ten Psymonsters who is small.