Γρανάτης Λυχνίτης precious stone πολύτιμες πέτρες ημιπολίτιμες ημιπολίτιμο ημιπολιτιμο πετρες πολυτιμες semi precious Garnet

Garnet is not a single mineral, but describes a group of several closely related minerals. Garnets come in a variety of colors and have many different varieties. However, the most widely-known color of Garnet gemstones is dark red. When the term “Garnet” is used, it is usually connotative of the dark red form; other color Garnets are usually given more descriptive gemstone terms.

  • Chemical Formula X2+3Y3+2Si3O12 where X: Ca, Fe2+, Mn, or Mg and Y: Al, Cr, or Fe3+
  • ColorRed, Green, Yellow, Orange, Brown, Pink, Purple, Gray, Black
  • Hardness6.5 - 8.5
  • Mineral ClassGarnet

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