Adularia as Manebach twins on milky Quartz breccia -
Prato gorge, Val Lavizzara, Ticino, Switzerland
 
Adular as sharply edged milk-white, V-shaped twinned pseudo-rhombohedra of the Manebach type, up to 1.1 cm in size on milky quartz breccia. A typical companion of the extraordinary Fluorite perimorphs from the Prato Gorge! Collected in October 2011 from the base portion of the "Big Adularia Vein" (m 1360) on the footpath below Campala, ex Stefan Weiß collection