Yttrium phosphate, often brownish or yellowish, forming prismatic crystals. It's a stone of intellectual power and higher vision, enhancing focus and connection to truth. (An ore of Yttrium and other REEs).
Yellowish-Brown, Brown, Reddish-Brown, Greenish, Grey, Yellow, forms prismatic or pyramidal crystals with vitreous luster
Xenotime Y is classified as a phosphate minerals mineral which typically crystallizes in the tetragonal system. Its chemical formula is YPO4. Common crystal habits include prismatic, radial aggregates, granular.