A online science mall at sciencemall-usa.com is a geek gift store for the adult science enthusiast, science educator, and science researcher. Our mission is to provide science gifts, science educational products, meteorites, necklace, pendant, earrings, and fulgurite lightning sand jewelry. We also sell school geology rock and mineral specimens, rare mineral matrix specimens, pallasites, tektites, Libyan Desert Glass, fulgurite lightning sand, Lichtenberg figures, Titanic coal, school rock collections, manganese nodules, elements of the periodic table, fossils and legal historical artifacts. Rare earth rock specimens such as ancient life stromatolites (earth's earliest life), shatter cones, banded iron formation, Greenstone belt BIF banded iron formation, KT/boundary, K-Pg boundary, radioactive minerals, science art posters, prints, curio desk displays, science jewelry pendant necklace earrings, hand crafted artisan jewelry for KennedyCoJewelry, are also our specialty.
Morton Gneiss Minnesota Among the Oldest Rocks on Earth
This Morton Gneiss from Minnesota is among one of the oldest rocks on Earth.
In fact, it is the oldest rock unit in the United States.
Composed of Archean-age migmatitic gneiss, it has been dated to 3.6 billion years old.
Size: 75mm L X 58mm W X 27mm D, Weight: 166.4 gram, Extra Large Specimen
Ships with Certificate of Authenticity, tag, information. Stands and cube not included.
Click on images to enlarge.
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