yes there are some rocks that are round called geodes these rocks are hollow on the inside and have crystals inside them
Grainy rocks not only absorbs water better than crystal rocks, but it filters the water as well.
No
Granular rocks are rocks that are made up of small crystal-like granules. Non-granular rocks are rocks that are not made up of small crystal-like granules.
Such rocks are porphyritic.
Porphyritic Rocks are rocks that have big and small crystal's like the Igneous Rock "Andesite".
crystal rocks, I guess.
Yes, rocks can contain a variety of crystal sizes.
Crystal
Diamond.A diamond is a crystal, and a crystal is a rock with neatly arranged atoms.
crystal rocks is melted magma that has cooled down and hardened
Gemstones are made of Crystal rocks
I like crystal rocks. You see plain rocks everywhere, but crystals and gems are one of a kind