RocKnow.

FOR THE CURIOUS AT HEART

Every rock
has a story.

That stone you picked up? There’s more to it.
Meet your pocket companion for identifying rocks, discovering minerals, and keeping your favorite finds.

Get RocKnow on Google Play

Made for exploring. Available on Android.

A purple amethyst specimen catching the light on a blue surfaceA CLOSER LOOK
MINERAL / 001Amethyst
The purple side
of quartz.

FROM A FIND TO A FAVORITE

A little curiosity.
A whole new world.

01 / IDENTIFY

Start with a photo.

Found something interesting? Take a photo and explore possible rock and mineral matches.

02 / DISCOVER

Look a little closer.

Get to know the colors, characteristics, and details that make each specimen its own.

03 / COLLECT

Keep the good finds.

Save your discoveries in a personal collection. A little record of where curiosity takes you.

THERE’S MORE BENEATH THE SURFACE

Meet a few favorites.

Explore the Real vs Fake guide
Purple amethyst

Amethyst

A study in violet.
Blue-green turquoise with dark veins

Turquoise

Blue, with a character of its own.
A pale pink kunzite specimen

Kunzite

The softer side of the spectrum.
A glossy black obsidian specimen

Obsidian

Born from volcanic beginnings.

YOUR FINDS, TOGETHER

A collection that’s
uniquely yours.

Sign in with Google in the RocKnow app to back up and sync your collection. Your next discovery is always worth keeping.

How we handle your data

Take your curiosity
with you.

Get RocKnow