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

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

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

The classic diamond-cubic structure that underpins all modern electronics

The crumbling, non-metallic form of tin — infamous for destroying Napoleon's army buttons

The shiny, everyday metallic form of tin used in cans and solder

The crumbling low-temperature form of tin — infamous as 'tin pest'

The familiar shiny form of tin used in cans and solder

The lightweight, strong form of titanium used in aircraft and medical implants

The bright-yellow mineral form of sulfur found around volcanoes worldwide

The everyday form of iron — the backbone of steel and construction

The most stable form of phosphorus — a layered structure like graphite

The high-temperature form of iron that makes steel workable and weldable

The high-temperature cubic form of titanium prized in aerospace alloys

The most common form of sulfur — the bright yellow mineral found near volcanoes

A rhombohedral solid phase of the famous liquid metal — the form it takes when frozen

The diamond-cubic silicon structure described from a second origin setting

The most stable form of phosphorus — a layered semiconductor

A vivid yellow element found around volcanoes and hot springs worldwide

A rhombohedral solid phase of mercury described in the rhombohedral setting

The most common solid form of nitrogen, stable just below its boiling point