it all depends on the rate of cooling and crystallisation and the type of rock
Grainy rocks not only absorbs water better than crystal rocks, but it filters the water as well.
No, all igneous rocks have a crystal structure because they form from the cooling and solidification of molten rock material. The size of the crystals can vary depending on the rate of cooling, but some crystals will always form in igneous rocks.
crystal rocks is melted magma that has cooled down and hardened
The relative cooling rates of igneous intrusive rocks can be estimated by comparing the crystal sizes of the minerals within the rocks. In general, rocks that cool more slowly will have larger crystals, while rocks that cool more rapidly will have smaller crystals. Therefore, by examining the crystal sizes of minerals in intrusive rocks, we can infer their cooling rates.
Intrusive igneous rocks are formed beneath the Earth's surface through the slow cooling of magma, leading to larger crystal sizes. Extrusive igneous rocks are formed at the Earth's surface through the rapid cooling of lava, resulting in smaller crystal sizes.
Diamond.A diamond is a crystal, and a crystal is a rock with neatly arranged atoms.
yes there are some rocks that are round called geodes these rocks are hollow on the inside and have crystals inside them
No
Grainy rocks not only absorbs water better than crystal rocks, but it filters the water as well.
Such rocks are porphyritic.
crystal rocks, I guess.
Porphyritic Rocks are rocks that have big and small crystal's like the Igneous Rock "Andesite".
Crystal
Yes, rocks can contain a variety of crystal sizes.
Gemstones are made of Crystal rocks
I like crystal rocks. You see plain rocks everywhere, but crystals and gems are one of a kind
Crystal size in igneous rocks is controlled by the rate of cooling whereby the slower the rate, the larger the size of crystal.