Chrome Chalcedony rough also know as Mtorolite from Mutorashanga, Zvimba District, Mashonaland West, Zimbabwe. Rough is approximately: 41.44mm by 26.12mm by smallest thickness measured 5.32mm 12.09 grams in weight This Chrome Chalcedony is often referred to by its trade name Mtorolite. It has a green color varying in saturation. There appears to be some host rock still attached to it. This is being advertised as cutting rough. I am happy to provide additional photos and videos as needed. Rough may appear lighter or darker in color depending on lighting. Photos and video taken in a Photo Booth with LED lighting.