Israel's Oldest Royal Seal With Writing Was Bought For A Steal
Dating The Royal Seal With Geology And Patina The seal was subjected to a series of laboratory tests that showed it was sealed on a linen cloth, when its material was in a relatively dry state, and then baked at a temperature of about 750 degrees Celsius (1382 degrees Fahrenheit). Testing the bulla (medieval Latin for "a round seal"; plural bullae), the team was able to ascertain that it had come from a place where “limestone rocks are exposed in the vicinity of basalt-containing olivine.” Goren said he and the other researchers studied “hundreds of securely identified bullae from lega...
Source: ancient-origins.net