KJD Wiki
KJD Wiki

Chert is a Homeworld Gem, and an original character that appears in Steven Universe.


Chert has a bulky and thick body with thick arms and legs. Her skin is dull orange and she has two dull brown eyes, no nose (with her gemstone acting as a nose), and undefined lips. Her hair is light beige and is in a short and messy ponytail, having many strands sticking out. Her gemstone is located where her nose would be and is light brown in color.

She wears a sleeveless light brown and yellow top with a gray shawl, and dark brown leggings with light yellow boots.


Nothing is known about Chert’s personality yet.


For the history of Chert, visit here.


Chert possesses standard Gem abilities, bubbling, shapeshifting, fusion, regeneration, agelessness, and superhuman strength/durability.




Gemstone Information

  • Chert is a variety of quartz with the standard chemical formula of SiO2.
  • It is a sedimentary rock that is associated with the similar mineral flint.
  • Chert is a rather drab-looking gem, being opaque and light brown to gray in color.
  • Chert is used to start fires in the same way that flint is used. It is, however, often used in the construction of roadways.
  • This stone can be found often in the United States of America, more specifically within the states of Arkansas and Oklahoma.
  • Being a quartz, chert has a 7 on the Mohs Hardness Scale, making it relatively strong.
  • Chert is thought to be a stone that can increase humor and comedy, something not seen with most gems.


Image Description
Chert’s gemstone is located where her nose would otherwise be, featuring a hexagonal facet. It is a tetrahedron, specifically a truncated hexagonal dipyramid. It has a small crack in it.