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What is quartz? Igneous rock

By |2018-09-06T07:27:12+00:00June 26th, 2017|Geology|

What is quartz? A chunk of white quartz What is quartz made of? Quartz is an igneous rock made out of molecules of silicon and oxygen atoms held together in a crystal pattern. All of the silica and oxygen that make quartz came originally from the insides of stars, and it shot out [...]

What is silicon? Atoms, elements, chemistry

By |2018-04-24T14:46:23+00:00June 2nd, 2017|Chemistry|

Diagram of a silicon atom When a red giant star is getting older and runs out of helium fuel, it starts to convert the oxygen atoms in the star into silicon atoms. All silicon is made this way, inside a red giant star. Silicon is heavier than oxygen, because oxygen has only eight protons [...]