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The ideal pure quartz rock crystal could be described as clear, colorless, six sided, and having a pyramidal termination. In reality, quartz crystal can appear clear, intruded, milky, or cloudy; appear in numerous dimensions, from watermelon-sized to microscopic; can appear in a multitude of colors; and can appear in numerous habits, such as euhedral, drusy, globular, and massive.

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What are crystal rock?

crystal rocks is melted magma that has cooled down and hardened


What does the crystal structure look like?

this question need more detail. first of all, a crystal's external appearance is merely a representation of its ordered internal atomic structure. to look at crystal structure in general, I recommend researching the 14 Bravais Lattices. Depending on what crystal you are talking about, its internal atomic structure will be different.


Can you melt a crystal?

Yeah, you can melt anything if you get it hot enough. Be sure not to confuse the terms crystal and mineral. A crystal is made of a mineral, the fact that it is a crystal, simply means that it's atoms are arranged in a periodical and static way, in the crystal structure. This structure falls apart as soon as the mineral melts, so a molten mineral can not be called a crystal.


What do extrusive igneous rocks look like?

The particle size (grain size--crystal size) in igneous rock is largely dependent on the amount of time spent cooling and solidifying from molten rock. If cooled quickly, crystals will have little time to grow. Slow cooling allows time for larger crystal growth.


What does the heart crystal look like on the terraria map?

The Heart Crystal in Terraria appears as a small, pulsating heart icon on the map screen. It is typically red in color and stands out from the rest of the terrain. When you see this icon on the map, it indicates the presence of a Heart Crystal nearby that you can mine to increase your maximum health.