It is a hexagonal crystal, with a 3m point group.

It is an example of a hexagonal crystal system.

It is found in the form of greenish-brown hexagonal crystals.

The β form is believed to have a hexagonal crystal structure.

Plates are thin, plate - like, usually hexagonal crystals of new snow.

The hexagonal crystals of beryl may be very small or range to several meters in size.

The α-polymorph consists of black hexagonal crystals which turn dark green when exposed to air.

Zinc is somewhat less dense than iron and has a hexagonal crystal structure.

A dense, brittle mineral, it is usually found in the form of red hexagonal crystals.

Hypercinnabar, crystallizes at high temperature in the Hexagonal crystal system.

It has a hexagonal crystal structure and a color that depends on the presence of impurities.

A huge track grunted over an intervening ridge of hexagonal crystals.

It forms blue to colorless, typically massive crystals in the hexagonal crystal system.

It belongs to the hexagonal crystal system, but the crystal class is unknown.

Lanthanum has a hexagonal crystal structure at room temperature.

The tiny hexagonal crystal there was cracked from some old accident but the optical pipe into his bone still worked.

All of his runes could be projected by shining the light through a hexagonal crystal under certain angles.

All the groups of the hexagonal crystal system are subgroups of the symmetry group p6m.

The hexagonal crystal structure of osumilite is an unusual molecular make-up.

The crystalloid lutoids had long hexagonal crystals inside them.

It occurs naturally as small, extremely hard, flat metallic grains with hexagonal crystal structure.

It crystallizes in the hexagonal crystal system and forms small prismatic brown crystals.

This form has a hexagonal crystal lattice where all atoms are covalently bonded.

CrC has a hexagonal crystal structure and a microhardness of 1336 kg/mm.

Due to the hexagonal crystal structure of magnesium, it is much more workable at moderately elevated temperatures.