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Question:

Why do amethyst, citrine, and quartz have the same chemical formula?

Can't find the answer on Google and Ask, I'd be thankful if someone answers as quick as possible! :)

Answer:

Quartz is a mineral, not a rock. ...and quartz, may be found in metamorphic rocks, but are not necessarily the result of the process of metamorphism. These minerals formed during the crystallization of igneous rocks. They are stable at high temperatures and pressures and may remain chemically unchanged during the metamorphic process. r u satisfied.......or not.............mail if further query.........bye
Quartz is ingenious rock band but if you mean quartz the mineral, you are wrong...
Here ya go... ...and quartz, may be found in metamorphic rocks, but are not necessarily the result of the process of metamorphism. These minerals formed during the crystallization of igneous rocks. They are stable at high temperatures and pressures and may remain chemically unchanged during the metamorphic process.
Quartz is a mineral, not a rock. Many sedimentary, igneous, and metamorphic rocks contain a lot of quartz, but that by itslef doesn't make quartz a rock. A variably metamorphosed sedimentary rock called orthoquartzite (depending on whose definition you use) consists of almost all quartz, and there can be some rare igneous and metamorphic rocks composed of almost all quartz. Quartz is not a rock, and therefore it is not possible to classify it classify quartz as sedimentary, igneous, or metamorphic. Hope that helps!

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