Overview
This specimen is a piece of Banded Iron Formation (BIF), specifically Jaspilite, featuring alternating layers of silver-grey hematite and deep red jasper.
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Preliminary identification
Banded Iron Formation (Jaspilite) Specimen
Photo reference
2 uploaded photos
Story
Two billion years ago, Earth's oceans were filled with dissolved iron, and the atmosphere was devoid of oxygen. When the first photosynthetic bacteria began to flourish, they released oxygen as a waste product, which reacted with the iron in the water to…
Maker / Origin
Likely likely the lake superior region, north america.
Condition & Value
The specimen is in a natural, raw state with a clear cross-section showing the internal banding. The exterior shows typical environmental weathering consistent with a field-collected piece. Natural state is preferred by many collectors over polished versions.
Research
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