We explore Information and photos of mineral specimen(s) generally 'not so giant' crystals, however the largest crystals of their kind. 1-World's largest quartz crystal cluster on display. World's largest quartz crystal cluster on display. Crystal gallery, Swakopmund, Namibia. Quartz crystal cluster on display in a museum in Namibia. This is the world's … [Read more...] about The World’s Largest Crystals I