Bloodstone

Dark green chalcedony speckled with red spots of iron oxide.

Bloodstone specimen — Photo: Ra'ike (see also: de:Benutzer:Ra'ike), CC BY-SA 3.0, via Wikimedia Commons

How to identify bloodstone

Dark green with small blood-red dots.
Opaque, hard, waxy polish.
No visible banding.

Often confused with

Jasper
Green jasper lacks the scattered red spots.
Compare side by side

Where it's found

India
Australia
Brazil

Uses

Seals, beads and carvings.

Rock tumbling

Great for tumbling.

Did you know?

Medieval carvers used the red spots to depict drops of blood in religious scenes.

Think you could spot it from a blurry close-up?

Play today's Rocksday