Heated Citrine.
Citrine is a yellow quartz, its color ranging from delicate pastel yellow to warm golden brown. It belongs to the oxide family. Natural citrine is rare; it is often heated amethyst.
Main deposits are in Brazil and Madagascar. Citrine is considered a "sun stone" that brings motivation, joy of life, and creativity. It is associated with the solar plexus chakra and is said to support digestion and detoxification of the body.