Banded Iron Kalahari, South Africa - XL
Cherry picked from the Kalahari. Simply a 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: 4 1/2" L X 2 1/4" W X 1 1/2"D, Weight: 12.9 ounces
Comes with information and authenticity.
Guaranteed Authentic: Jensan Scientifics, LLC
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