Blue Chalcedony - Aurangabad, India #18 Type_Facet genuine Herkimer Diamond from Herkimer

genuine Herkimer Diamond from Herkimer County in upstate New York

high quality Quartz

with gold foil accents

and rarely forms in large crystals

whereas Y shows that Yttrium is present

Blue Chalcedony - Aurangabad, India #18 Type_Facet genuine Herkimer Diamond from HerkimerThese incredible specimens of intricate coral like Blue Chalcedony are from Aurangabad, Maharastra, India, and some even feature white sprays of Mordenite! You will receive the exact Blue Chalcedony crystal pictured. Blue Chalcedony is a variety of Chalcedony, a microcrystalline Quartz. The blue colour is believed to be caused not by an inclusion within the crystal, but rather by the Tyndall effect, a light scattering phenomena. When lit from behind,