15 sample specimens • one amazing planet

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Every rock has a story. What will you discover?

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15 specimens to discover

Demo collection

Ammonite reference specimenFossil

A coiled shell from a fast-evolving group of ancient ocean animals.

CretaceousMadagascar
Trilobite reference specimenFossil

A remarkable fossil arthropod with a three-lobed armoured body.

DevonianMorocco
Megalodon tooth reference specimenFossil

A serrated tooth from one of the largest predatory sharks ever known.

NeogeneUnited States
Petrified wood reference specimenFossil

Ancient wood whose original material was slowly replaced by minerals.

PaleogeneCanada
Shark tooth reference specimenFossil

A durable clue left behind by an ancient marine predator.

PaleogeneUnited States
Quartz reference specimenMineral

One of Earth's most common minerals and a master of crystal shapes.

Hardness 7Brazil
Amethyst reference specimenMineral

Quartz coloured violet by iron and natural irradiation.

Hardness 7Brazil
Malachite reference specimenMineral

A vivid green copper mineral famous for rings and flowing bands.

Hardness 3.5–4DR Congo
Pyrite reference specimenMineral

A brassy metallic mineral that often forms near-perfect cubes.

Hardness 6–6.5Canada
Fluorite reference specimenMineral

A colourful mineral whose crystals can glow under ultraviolet light.

Hardness 4Morocco
Granite reference specimenRock

A coarse-grained rock made as magma cooled slowly underground.

igneousCanada
Basalt reference specimenRock

Dark volcanic rock formed when lava cools quickly at the surface.

igneousUnited States
Sandstone reference specimenRock

Sand grains pressed into a record of ancient landscapes.

sedimentaryUnited States
Slate reference specimenRock

Fine rock transformed by pressure into strong, flat sheets.

metamorphicCanada
Marble reference specimenRock

Limestone recrystallised by heat and pressure into interlocking crystals.

metamorphicBrazil