ARCHAEN BUTTERSTONE - over 2.5 billion years old - South Africa
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Over 2.5 billion years old
Greenstone Belt, South Africa
Archean butterstone, sometimes called African jade, is an ancient rock formed during the Archean Eon, over 2.5 billion years ago. The Archean is the second of the four geological eons of Earth's history, a time when the continents were first forming.
These rocks contain a variety of micro fossils such as the microbial mats known as stromatolites, which are thought to represent the beginnings of life on Earth.
This sample, packaged for the tourist industry, contains a detailed descriptive leaflet. It is cut and polished on one face.
Size: approx. 8 x 8 x 5 centimetres (size of box)
Weight: 207 grams (including box)
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