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I was there to study a casing stone from the pyramids of Giza in Egypt. The casing stones have an angled front face that formed the outer surface of the pyramid. The front is triangular in form when viewed from the side, as opposed to the inner blocks which were left roughly hewn and were approximately cuboid.ur Edinburgh casing stone, therefore, is probably not just a Great Pyramid casing stone, it is probably an upper level Great Pyramid casing stone, from up near the summit of this incredible monument, 146 meters high when completed.
Volcanic glass or obsidian maybe gave someone the idea. Or, maybe, the nodules of glass that can form when lighting goes to ground through sand. In any event, glass is made by â¦ heating sand until it melts. Actually, the sand particles have to be separated first. If you just melted sand you would get a dark, non-transparent glass. You have to find the clear crystals in the sand to make glass. It is then melted and either blown or molded into the desiered shape. Glass was probably discovered after a volcanic eruption near a beach. Glass was first created by the Phoenicians and the Egyptians.