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Quartz (SiO2) crystallizes from magma that is high in silica, thus most quartz is originally igneous. It then weathers out of igneous rocks as a clast and is deposited in what becomes a sedimentary rock. The original igneous rock or the quartz containing sedimentary rock can then become metamorphosed. Furthermore, quartz can also form out of solution by meteoric water or hydrothermal systems in which case it is a precipitate. It can be both crystalline or amorphous.

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12y ago
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14y ago

Yes, quartz can be in both igneous and sedimentary rocks. In fact, in siliciclastic (clastic) sedimentary rocks, quartz is the most abundant mineral. Chert, a microcrystalline variety of quartz, is commonly found as nodules in chemical sedimentary rocks, such as limestone.

Felsic igneous rocks, those rich in silica, may also have quartz and commonly do. These rocks include granitoids, granites, rhyolites, diorites and granodiorites, among many others.

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Wiki User

11y ago

Quartz is a mineral composed of Silicon Dioxide (SiO2).

It can therefore be formed as an igneous rock by itself (rarely) and is part of many sedimentary rocks such as sandstone. Quartz sandstone can also be metamorphosed into quartzite. Quartz can be found as part of any rock or by itself as a sediments.

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Wiki User

15y ago

Quartz is actually a mineral that can be found in all three rock types.

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13y ago

Quartz is a silicate mineral that can be present in any rock type.

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6y ago

Quartz is a mineral, not a rock. It is found in igneous, sedimentary, and metamorphic rocks.

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13y ago

metamorphic rock

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13y ago

metamorphic

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Anonymous

Lvl 1
3y ago

matamorphic

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Q: Is quartz sedimentary or metamorphic
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