Quartz with Arsenopyrite crystals 13,02 ct

Quartz with inclusions of Arsenopyrite crystals.
Arsenopyrite in smoky Quartz, one-of-a-kind collector gemstone.
From one single crystal found in the Huanggang Mine, Inner Mongolia, China.
Just few gemstones have been cut of this wonderfull inclusion.
Perfectly shaped Arsenopyrite crystals in very clear Quartz.