Amethyst is a form of quartz. Quartz belongs to the trigonal crystal system. The ideal crystal shape is a six-sided prism terminating with six-sided pyramids at each end.
It's a quarts. This isn't much info but maybe this will help
hexagonal crystal system ( 6 sided )
6 sided with a square figure
Quartz can be identified by: 1. Luster: nonmetallic 2. Hardness: 7 3. Streak: white 4. Color: usually colorless, white or gray but can be varieties of all colors 5. Cleavage: none 6. Crystal habit: hexagonal prisms and pyramids 7. Specific Gravity: 2.6-2.7
Amethyst is a form of quartz. Quartz belongs to the trigonal crystal system. The ideal crystal shape is a six-sided prism terminating with six-sided pyramids at each end.
Sleet
Graphite is an example of a hexagonal crystal. Beryl also forms a six sided crystal.Magnesium exhibits close packed hexagonal crystal structure.
Quartz
(3) Quartz
A 6 sided crystal
Cubes ,Hexagonal (six-sided) prisms and irregular shape
It's a quarts. This isn't much info but maybe this will help
A hexagon is a six sided polygon but not necessarily you can hve other six sided figures
A six sided figure is called a hexagon.
hexagonal crystal system ( 6 sided )
dimensions for six sided hockey