Rose rock
Variety BaSO4
Also called Barite rose, Baryte rose, and Oklahoma rose rock
About it
Reddish-brown rosettes of barite blades packed with sand, from the Permian Garber Sandstone around Norman, Oklahoma. Oklahoma's state rock; heavier in the hand than a gypsum desert rose.
- Type
- Variety
- Group
- Barite variety
- Formula
- BaSO4
- Hardness (Mohs)
- 3–3.5
- Streak
- white
- Lustre
- dull
- Crystal system
- Orthorhombic
- Colours
- reddish brown, orange-brown
- Transparency
- opaque
- Cleavage and fracture
- hidden by sand grains; uneven fracture
Typical values: real specimens vary. For more, see mindat.org.