These are quartz crystals and feldspar, so most sand in the world on the mainland is made of quartz crystal and feldspar.

These are quartz crystals and feldspar, so most sand in the world on the mainland is made of quartz crystal and feldspar. It's the erosion of granite rock.

Crystals in the rhombohedral lattice system are always in the trigonal crystal system, but some crystals such as quartz are in the trigonal crystal system but not in the rhombohedral lattice system.

Quartz

Quartz

This modern clock relied on the swing of a pendulum or the vibration of a quartz crystal, which was far more accurate than sand or candles.

Therefore, it's no surprise that it would also be home to the most pure quartz crystal in the world, capable of increasing and harmonising energy levels.

Quartz extra slim

Crystal

Crystal

Take him down into the quartz grotto!

Quartz window decorations with extra small title bar.

Crystal SVG

Crystal 1

Crystal 2

Crystal 3

Crystal 4

Crystal 5

Crystal clear

Crystal 1

Crystal 4

Crystal 5

Crystal damn.

And not just iridium it's filled with glassy spherules, and it's filled with quartz grains that have been subjected to enormous pressure shock quartz.

FX 3 Crystal

Crystal Desktop Search

In my crystal.

Destroy the crystal.

Quartz sparked enthusiasm among English speaking Twitter users, as well.

Oh, confound your crystal.

The Crystal Bar, Sazerac.

It's all crystal clear.

We'll gaze into the crystal.

Freud... or a crystal ball?

This is the General's crystal!

In mineralogy, crystal habit is the characteristic external shape of an individual crystal or groups of crystals.

Listen, Crystal. Don't mess with her.

So it forms a tetrahedral crystal.

Myeong Myeong Baek Baek! (Crystal clear!)

Yeah, me and my crystal ball.

What shows in your crystal ball?

What does your crystal ball say?

Swans glided upon its crystal surface.

While a quartz watch keeps time more accurately than the most finely crafted handmade mechanical Swiss watch, the value of a quartz watch has plummeted, while Swiss watches value has climbed into the stratosphere.

It's actually not life, it's a crystal.