Gilsonite (uintaite), Glance Pitch and Graliamite are natural occurring hydrocarbon substances characterized by a high softening point (above 110° C) in the class known as asphaltite. They are mined much like other minerals and sold essentially in their native state.
date_rangeDec 29' 2018 / India
date_rangeAug 08' 2018 / Iran
date_rangeAug 08' 2018 / Iran
date_rangeAug 07' 2018 / Iran