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Spedizione Gratis in Italia per ordini oltre 69 Euro

Kyanite 1 Piece Raw Minerals Stones Rocks Collecting (2)

PRICE :
2,90€
  • Product Code: M26249
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Description

Origin : Brazil

Size : 4.5 gr - mm 33 x 14 x 8


Kyanite 1 Piece, 4.5 gr - mm 33 x 14 x 8 Raw Minerals Stones Rocks for Collection, only a piece, as in photo.
Variety of Aluminum Silicate.

Kyanite is a mineral, chemically classifiable as an Aluminum subnesosilicate, with the chemical formula Al2SiO5. The name derives from the Greek kyanos which means blue, referring to the typical color of the crystals.
Therefore it does not contain cyanide, as one might mistakenly be led to believe!
Kyanite constitutes together with andalusite and sillimanite the three polymorphic forms of Al2SiO5 of which kyanite is the high pressure member. The presence of these polymorphic forms is extensively used to characterize metamorphic rock



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