0
quartz itself, but you will find fragments of quartz of all sizes in both sedimentary and metamorphic rocks.
Wiki User
∙ 13y ago
Wiki User
∙ 12y agoNo. Quartz can be found in some igneous rocks, but it is actually a mineral.
Wiki User
∙ 11y agoBecause quartz is actually a mineral, it is not an intrusive rock or an extrusive rock.
Wiki User
∙ 10y agoQuartz is a mineral, not a rock.
Wiki User
∙ 11y agoextrusive
Add your answer:
Earn +20 pts
Is obsidian intrusive or extrusive rock?
Obsidian is intrusive because it was cooled below the ground.
What is the relationship between basalt gabbro and obsidian?
Basalt and obsidian are extrusive igneous rocks. Gabbro is an intrusive igneous rock.
Is hematite extrusive or intrusive?
Intrusive and extrusive
Is felsite extrusive or intrusive?
Extrusive
What are two types igneous rocks?
Granite and basalt are the most common types of igneous rock. Igneous rock types, or classifications, also include those that are intrusive and extrusive. Intrusive igneous rock is formed from the solidification of slow cooling magma below the surface. Extrusive igneous rock is formed for the solidification of rapidly cooling lava at or near the surface.
Is obsidian intrusive or extrusive rock?
Obsidian is intrusive because it was cooled below the ground.
Is Obsidian an extrusive rock or intrusive rock?
Yes it is extrusive love yall
Is obsidian a intrusive or extrusive rock?
it is A instrsive! lol
Is obsidian a intrusive or extrusive igneous rock?
Andesite is considered an extrusive igneous rock.
What is the relationship between basalt gabbro and obsidian?
Basalt and obsidian are extrusive igneous rocks. Gabbro is an intrusive igneous rock.
What is an example of an extrusive igneous rock?
Basalt and rhyolite are examples of extrusive igneous rocks. Also, pumice, scoria, obsidian, tuff, ignimbrite,....
What trait is an intrusive igneous rock?
If a rock is intrusive, that means that it formed from magma inside the Earth. An example is granite. The opposite is extrusive, which forms from cooling lava from volcanoes. An extrusive rock is obsidian.
Is hematite extrusive or intrusive?
Intrusive and extrusive
Is dacite intrusive or extrusive?
Dacite is extrusive. Its intrusive equivalent is granodiorite.
Is it true that intrusive rocks have similar crystals than extrusive rocks?
no. Extrusive rocks are usually have bigger crystals and a rougher texture, unless you notice obsidian and another type of extrusive rock don't have crystals, at all
Are crystals intrusive or extrusive?
extrusive
Is komatiite intrusive or extrusive?
Extrusive
