Banded Iron Kalahari, South Africa
Cherry picked from the Kalahari. Simply a fantastic and beautiful
banded iron specimen sculpted by the wind into a banded iron
This is the specimen you will receive.
Banded iron-formation is composed of alternating layers of iron-rich material and silica (chert. Each layer is relatively thin, varying in thickness from about a millimeter up to a few centimeters. It is evidence of aerobic life altering the early earth’s atmosphere by the precipitation of iron oxides.
Size: 2 1/8" H X 1 5/8" W X 1 3/8"D, Weight: 131 grams
Comes with information and authenticity.
Hard to obtain specimen.
Click on image to enlarge