Citrine

Citrine is a member of the family of monocrystalline quartz. Its color, from light yellow to orange to ochre brown, is quite characteristic, it is due to the presence of iron oxide.
There are several varieties of citrine: multicolored citrine, mandarin citrine, lemon yellow citrine... Madeira citrine is the most famous and most prized of them, appreciated for its orange-red tones.