Rocky Butte picture jasper is a type of jasper found in the Owyhee Mountains of southeastern Oregon, known for its colorful patterns of blue, green, brown, and yellow, often with a “cobweb” or scenic appearance.
Rocky Butte Natural Area | Portland.gov
- Origin: Rocky Butte, a volcano in the Owyhee Mountains of southeastern Oregon.
- Colors: A multicoloured jasper with blends of blue, green, yellow, brown, and red, often with a “cobweb” or mottling effect.
- Patterns: Features patterns that resemble landscapes, created by silicate mud and dendritic inclusions.
- Hardness: Measures seven on the Moh’s scale, making it a very hard and durable stone.
- Uses: Valued for its beauty and durability, it is used for polishing, cabochons, and other jewelry.