The Science Museum of Minnesota
Black Banded Agate Egg $16.99
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$16.99 USD
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The Black Banded Agate Egg is a polished stone piece shaped to highlight the natural banding and depth found within agate. Its egg form allows the layers of black, gray, and subtle white tones to flow continuously around the surface, making it especially engaging to observe from every angle. This piece is well suited for geology students, collectors, and anyone interested in sedimentary processes and mineral pattern formation.
Why you'll love this:
- Crafted from natural black banded agate with visible layered patterns
- Polished egg shape showcases banding evenly across the entire surface
- Durable stone construction suitable for handling, study, or display
- A helpful specimen for exploring agate formation, silica deposition, and mineral banding
- A distinctive addition to geology collections, classrooms, or science‑inspired decor
A striking way to explore how time, chemistry, and structure come together inside Earth’s materials.

