The hardest natural material — pure carbon locked in a cubic lattice

The structure inside every grain of table salt

The soft, layered form of carbon in every pencil — and cousin to graphene

One of Earth's most abundant minerals — the crystal in your watch and your windowsill

The crystal structure powering next-generation solar cells

The glassy, vividly coloured mineral that gave fluorescence its name

The everyday crystal that covers polar caps and fills your glass

The soft, layered form of carbon in every pencil — and a cousin of diamond

The soft, layered form of carbon in every pencil — and a cousin of diamond

The slippery form of carbon in every pencil — flat sheets stacked in perfect layers

A landmark ferroelectric crystal that changed the electronics industry

The crystal behind marble, limestone, and the shells of sea creatures

A diamond-like form of carbon found inside meteorites — rarer than diamond itself

The mineral that gives white paint its brightness — and colours some gemstones

The crystal structure that powers every computer chip and solar panel

The classic diamond-cubic structure that underpins all modern electronics

One of the hardest materials on Earth — used in bulletproof armour and tank plating

The crystal behind every blue LED and the screens that light up our world

The most important ore of zinc — and the structure that gave its name to a whole crystal family

A super-hard form of boron nitride with a structure similar to diamond

The semiconductor crystal at the heart of thin-film solar panels

One of the most-studied ionic structures in chemistry — a textbook classic

The iconic blue crystal grown in school science experiments everywhere

The semiconductor crystal powering solar cells, LEDs, and high-speed microchips