This is a parcel of 141 ct small size petroluem included quartz crystals. The quartz are double terminated and popular as diamond quartz herkimer like crystals.
This is a very nice parcel of Double Terminated Quartz Crystal having petroleum inclusion.
Some pieces have black carbon inclusions and mud inclusions which are making the stones very lovely. The stones are from the Baluchistan area. Baluchistan is an oil-rich region of Pakistan. It has many other minerals like Brucite, Uranium, gold, copper, coal, and many others.