Corundum (Var: Ruby)
Cabinet, 15.1 x 8.6 x 7.1 cm
Mysore, Karnataka, India

While it is not exactly a gem crystal, this IS a ruby crystal, and not only that - it is HUGE, euhedral (fine hexagonal form), and doubly-terminated! If you want to amaze a non-collector, show them a ruby so big they can hardly hold it in their hand! This monster weighs 3.3 POUNDS! 15.1 x 8.6 x 7.1cm