This amethyst flower or amethyst crystal plate is from Irai, Alto Uruguai Region, Rio Grande do Sul, Brazil. This type of formation is marketed as rose amethyst, or amethyst flowers because of the petal-like and rosette type formations that are common on the pieces. These crystals are Lavender to purple in color with some reddish hematite inclusions (photo 4). They are oriented in random petal-like formations. They have a glass luster and there are deposits and inclusions of green celadonite on the back side (photo 5). This piece measures 5 1/4 x 3 1/4 x 7/8 inches or 133 x 82 x 22 mm.