Keywords: Borneo amber from Beradai Coal Mine, Merit-Pila, Sarawak.jpg en Borneo amber from Beradai Coal Mine Merit-Pila Sarawak Malaysia This amber is dated to the tertiary period 15-17 millions years old Apparently this amber was found in a coal seam which is dated to the middle Miocene epoch Very tough but also very difficult to bring the mirror-like polished This variety can withstand a lot of impact on hard floor own Sebakoamber 2008-11-27 Resins Amber Sarawak Borneo Plain cutting Tumble-polished stone |