Achyrophanite ((K,Na)<sub>3</sub>(Fe<sup>3+</sup>,Ti,Al,Mg)<sub>5</sub>O<sub>2</sub>(AsO<sub>4</sub>)<sub>5</sub>) is a yellow mineral, discovered in 2018 and described in 2025.
Its name comes from the Greek words ìÃÂàÃÂÿý (straw) and ÃÂñïýÿüñù (to appear), hinting at its straw like appearance.
Its type locality is the Tolbachik Volcano in Kamchatka, Russia.