Our 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 XL
Morton Gneiss Minnesota Among the Oldest Rocks on Earth Extra Large
This is a great specimen of Morton Gneiss. One face is polished!
Morton Gneiss is among some 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: 68mm L X 36mm W X 29mm D, Weight: 218 grams
Size: Approximately 2 3/4" L X 1 3/4" W X 1 1/8" D
This is the exact specimen for sale.
Ships with information, tag and Certificate of Authenticity. Stands and cube not included.
Click on image to enlarge.
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