What is the name of igneous rocks that have large crystals and small crystals? - Quora

Answer (1 of 2): A pluton is an igneous intrusive rock body that has cooled in the crust. When magma cools within the Earth, the cooling proceeds slowly. Slow cooling allows time for large crystals to form, so intrusive igneous rocks have visible crystals. Granite is the most common intrusive ign

What stones have a crystal inside? How will we ever find out? - Quora

Would you expect an extrusive rock to have large or small crystals? - Quora

How does a igneous rock become a metamorphic rock? What are examples of this process? - Quora

How do the 3 basic rock types compare and contrast? - Quora

What causes glassy igneous rocks? - Quora

How can a sedimentary rock turn into an igneous rock? - Quora

I found this weird rock in the creek by my house. It's really cool looking, but I have no idea what kind it is other than the crystals growing on it. Who

Porphyritic granite 8, Igneous rocks form by the cooling & …

What is the reason for the difference in texture between plutonic and volcanic igneous rocks? - Quora

What's your favorite kind of rock, crystal, or mineral, and why? - Quora

Which type of rock will have more water inside it, sedimentary or igneous rock? Why is this the case? - Quora

Do all crystals in an igneous rock have the same size or shape? - Quora