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The earliest glass item from the Indus Valley civilization is a brown glass bead found at Harappa, dating to 1700 BCE. This makes it the earliest evidence of glass in South Asia. [3] [20] Glass discovered from later sites dating from 600 to 300 BCE displays common colors. [3]
The study found that the room temperature viscosity of this glass was roughly 10 24 Pa·s which is about 10 16 times less viscous than a previous estimate made in 1998, which focused on soda-lime silicate glass.
Artifacts made of obsidian can be found in many Neolithic cultures across Europe. The source of obsidian for cultures inhabiting the territory of and around Greece was the island of Milos ; the Starčevo–Körös–Criș culture obtained obsidian from sources in Hungary and Slovakia, while the Cardium -Impresso cultural complex acquired ...
Black vitreous fragments of fused sand that had been solidified by the heat of a nuclear explosion were created by French testing at the Reggane site in Algeria. [43] Following the atomic bombing of Hiroshima, it was discovered in 2016 that between 0.6% and 2.5% of sand on local beaches was fused glass spheres formed during the bombing. Like ...
The 300-plus-year-old glass onion bottles were discovered from the 1715 Treasure Fleet shipwreck, ... The thin-glass bottles were probably made in England, Ard added, as the Spanish did not make ...
Libyan desert glass A large sample with mass 26 kg. Exhibited at the National Museum of Natural History in Paris in 2018.. Libyan desert glass or Great Sand Sea glass is an impactite, made mostly of lechatelierite, [1] found in areas in the eastern Sahara, in the deserts of eastern Libya and western Egypt.
The team found over 6,700 structures, including houses, plazas, temple pyramids, and a ballcourt. ... and broken glass litter the earth now. ... fled underground and created an entire world.
Through LA-ICP-MS analysis, however, Carter found that Cambodia had a large amount of glass beads made of potash glass and predominantly high alumina soda glass. Potash glass is a glass that uses potash or K 2 O as a flux in order to decrease the melting point of the glass and is the most common type of glass found in SE Asia. [22]