Andesite is a fine-grained, extrusive igneous rock composed mainly of plagioclase with other minerals such as hornblende, pyroxene and biotite.
Changes in temperature and pressure, and composition alter the mineralogy of a rock sample. Changes in composition can be caused by processes such as weathering or ...
A highly nutritious liquid, milk is a very versatile kitchen ingredient. In the UK, cows’ milk is the most popular milk, although goats’ milk is increasing in ...
Minerals form in many ways. The mineral halite, which is used as table salt, forms when water evaporates in a hot, shallow part of the ocean, leaving behind the salt ...
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Crystals and gemstones are made up of various minerals and elements which play an important role and lend to their powerful vibrations, intensities, healing ...
Temporary hardness is a type of water hardness caused by the presence of dissolved bicarbonate minerals (calcium bicarbonate and magnesium bicarbonate).
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