Not known up today
The crystal structure of fermium was not determined.
Nickel has a face centered cubic crystal structure.
Diamond is a natural substance with a definite crystal structure. It is a pure form of carbon that crystallizes in a cubic system, resulting in a unique and well-defined crystal lattice structure.
Americium crystal has a hexagonal type crystalization.
purple
There is no crystal structure.
Any natural solid with an ordered, repetitive, atomic structure.
Yes, the mineral malachite does have a crystal structure.
Beryllium's crystal structure is hexagonal.
The crystal structure of phosphorous is monoclinic.
Quartz vibrates when a voltage is applied between opposite faces of a crystal. The frequency of the vibration depends on the thickness of the crystal, and on the direction of the faces compared to the natural planes in the crystal structure.
Only isotopes Fr-221 and Fr-223 are natural.