Barite
Barium sulfate — a pale mineral that is surprisingly heavy. Sand-filled rosettes from Oklahoma are known as rose rocks.

How to identify barite
- Unusually heavy for a light-colored mineral.
- Tabular, bladed crystals.
- Hardness about 3 — a knife scratches it.
- Doesn't fizz in acid.
Often confused with
Where it's found
- Norman, Oklahoma
- Morocco
- Cumbria, England
- China
Uses
Drilling mud for oil and gas wells, and the 'barium meal' used in X-ray imaging.
Rock tumbling
Not suitable for tumbling.
Did you know?
The barite rose is Oklahoma's official state rock.
Think you could spot it from a blurry close-up?
Play today's Rocksday
