5 Types of Awesome Glass Made by Nature
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Science
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Geography
Physics
Chemistry
Year 7 - Year 12
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Science Resource Description
When it comes to sparkly objects, the planet Earth has a lot to offer. Here are 5 especially awesome glasses made by nature! chapters OBSIDIAN 0:57 2 OPAL 4:09 3 TEKTITES 5:46 FULGURITE 6:27 GLASS SPONGES 8:07