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Petrified / Fossilised Wood
Petrified wood is also known as fossilised wood. It is formed when a tree or tree-like plant changes to stone by the process of permineralization. I have taken this paragraph from Wikipedia as it best explains the process: “Permineralization, a type of fossilization, involves deposits of minerals within the cells of organisms. Water from the ground, lakes, or oceans seeps into the pores of organic tissue and forms a crystal cast with deposited minerals. Crystals begin to form
May 17, 20192 min read
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Prehnite
Prehnite is a calcium aluminium silicate mineral. Its colour is usually yellow-green or olive green, but it can also be found colourless,...
May 10, 20191 min read
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Moss Agate
Moss agate is a type of chalcedony (belonging to the quartz family) with inclusions of green minerals giving it the impression of moss...
May 3, 20191 min read
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