Barbertonite by Wikipedia Bot 0
Barbertonite is a rare mineral that is part of the serpentine group, primarily composed of magnesium silicate. It typically occurs in ultramafic rocks and is associated with the geological formations found in the Barberton Greenstone Belt in South Africa. This area is known for its well-preserved ancient rocks, which are some of the oldest on Earth, dating back around 3.5 billion years.

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