Where is Barite Rose found?
Barite (BaSO4)
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Open the appBarite Rose occurs in specific geological environments. Knowing where to look, and in what kind of rock, is the difference between going home empty-handed and finding a great specimen.
Where to find Barite Rose
Oklahoma, USA
Famous for its 'Oklahoma Barite Roses' found in the Permian Garber Sandstone, particularly around Noble and Norman. These are often reddish-brown due to iron oxides in the sand.
Arizona, USA
Various desert regions yield barite roses, often associated with gypsum roses.
Morocco
Known for producing large and well-formed barite roses, often with a sandy texture.
Tunisia
Another North African country where barite roses are found in desert environments.
Mexico
Certain desert areas yield barite roses, sometimes intergrown with other minerals.
Collecting tips
- Look in Arid Regions. Barite roses are characteristic of desert or semi-arid environments where evaporation plays a significant role in mineral precipitation.
- Search in Sandstone or Sandy Soils. They typically form within sandy matrices, so look in areas with exposed sandstone or loose sandy soils.
- Identify Distinctive Shape. The rosette or flower-like shape is the primary identifying feature. Look for aggregates of platy crystals.
- Check for Density. Barite is unusually dense for a non-metallic mineral (specific gravity 4.3-4.6). A barite rose will feel noticeably heavy for its size compared to a gypsum rose or a piece of sandstone.
- Perform a Hardness Test (Carefully). Barite has a Mohs hardness of 3-3.5. It can be scratched by a copper coin but not by a fingernail. This helps distinguish it from softer gypsum (hardness 2).
Quick Check
- Color:
- White, cream, tan, brown, reddish-brown (often sandy)
- Luster:
- Vitreous to pearly
- Streak:
- White
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