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The petrification process takes place underground when a tree is buried under sediment and can take millions of years
Petrified wood has a hardness of 7 on the Mohs scale
providing rare and valuable insights into the morphology
is exceptionally well preserved and represents one of the most fascinating remnants of the Pleistocene fauna of the Northern Hemisphere
its interaction with the chemistry of the soil
SOLD | Aragonit-Schale | Mexiko Fine minerals The petrification process takes placeOrigin: Mexico Size: H10cm L73. 5cm W42. 5cm Weight: 8. 3kg Description: An aragonite bowl consisting of a variety of beige and cream tones. Additional information: Aragonite, widely distributed mineral, the stable form of calcium carbonate (CaCO3) at high pressure. It differs from calcite, the more common form of calcium carbonate, in its greater hardness and higher specific gravity. Aragonite is always found in deposits formed near the earth's
