These rose quartz crystals are from Galileia in the Doce Valley of Minas Gerais, (Aimores Pegmatite District) Brazil. Quartz is a silicate containing the elements Si and O. Rose quartz gets it’s unique pink colors from the trace elements Al and P that are present in the crystal lattice. It is found In pegmatite pockets usually as a secondary growth on quartz and other silicates. This specimen has a mostly milky quartz core with minor feldspar crystals along one edge. The display side surface is mostly covered with euhedral crystals and clusters of rose quartz crystals. This piece measures 2 x 1 9/16 x 1 1/8 inches or 50 x 39 x 28 mm.