A ruby is a crystal form of the mineral corundum.
In laboratory only one form; in the nature many minerals has the formula CaCO3. See also: http://en.wikipedia.org/wiki/Calcium_carbonate and http://www.webmineral.com/cgi-bin/search/search.pl.
As magma cools slowly, large coarse crystals form. This is described as a phaneritic texture.
Baccarat crystal is just a brand name for the crystal products. There is no such a crystal as Baccarat crystal the name was taken from the Baccarat historial period.
rock crystal
A ruby is a crystal form of the mineral corundum.
Fine crystal grain.
o ya its ......
This question is meaningless as the answer would depend entirely on the type of crystal.
No. A crystal is the solid form of a mineral. Mineral crystals are present in nearly every rock, regardless of type.
It depends on what type of crystal. You may be accused of smuggling. (Crystal would probably prefer her own seat)
Ummm... Really? Sugar crystals... Taste great!
Small crystal grains form when molten rock cools quickly. In an extrusive igneous rock, it's referred to as aphanitic texture.
they form a new type of rock or crystal.
Small crystal grains form from rapid cooling of magma resulting in an aphanitic rock texture.
A sim crystal of course! ^_^ It doesn't have a type, but it's called the plumbob.
You can't do that because there is room for only one lightsaber crystal.