Κυανίτης Κυανίτης Al2SiO5 Kyanite precious stone πολύτιμες πέτρες ημιπολίτιμες ημιπολίτιμο ημιπολιτιμο πετρες πολυτιμες semi precious

Kyanite is more of a collector gem then a mainstream gem, and has not been extensively mined for gem use. Gem quality Kyanite has traditionally come from Brazil, Cambodia, and Burma, but these stones are generally not colored consistently . They usually have a grayish tone, and are not fully transparent, thus limiting their use as a gemstones. However, recent finds in Nepal of high quality Kyanite have been delivering gemstones of exceptional blue color and transparency, rivaling Sapphire.

  • Chemical FormulaAl2SiO5
  • ColorBlue
  • Hardness4.5 - 7.0
  • Mineral ClassKyanite

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