Perettiite-(Y) is a complex silicateâÂÂborate mineral with the formula Y<sub>2</sub>Mn<sub>4</sub>FeSi<sub>2</sub>B<sub>8</sub>O<sub>24</sub>. It was first discovered in 2015 by Adolf Peretti of the Gemresearch Swisslab (GRS). It was found as inclusions in a phenakite crystal from Mogok, Myanmar.
Perettiite-(Y) was approved for IMA (International Mineralogical Association) status in 2015.