“Cassiterites and quartz crystals on a matrix. 3 x 2.5 x 2.5 cm ”

“Cassiterite, Quartz Black Cassiterite xl surrounded by minor Cassiterite xls on a bed of clear Quartz xls most of which are terminated and many double terminated. Micro brassy needle like xls sprays associated in and around the Quartz near the LHS of main xl (unknown?). ”