Peridot (/ˈpɛrɨdɒt/ or /ˈpɛrɨdoʊ/) is gem-quality olivine. Olivine is a silicate mineral with the formula of (Mg, Fe)2SiO4. As peridot is the magnesium-rich variety (forsterite) the formula approaches Mg2SiO4.
https://en.wikipedia.org/wiki/Peridot
Steven Universe Peridot Doodle
how revolting
"As a professor of science, I assure you we did, in fact, evolve from filthy monkey-men."
gross
Steven Universe Peridot Doodle
how revolting