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Muscovite Mica, from Brazil (No.126)

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Muscovite Mica, from Brazil (No.126)
Muscovite Mica, from Brazil

Measurements Approx.
Height - 6.2 cm
Width - 10.2 cm
Lenght - 19.4 cm



Muscovite is a potassium aluminum silicate mineral. It’s crystal system is monoclinic. It forms most frequently in tabular (columns), pseudo-hexagonal crystals but also occur in lamellar (sheets) and cryptocrystalline habits.

  

It’s primary colours are white, grey and colourless, but it can sometimes exhibit tinged of red, violet, yellow, green or brown.
It forms in metamorphic rocks such as gneiss and schist, as well as igneous rocks like granite. Mica schist sometimes contains high concentrations of Muscovite.



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