tourmaline and calcite crystal

950
  • Name
    • tourmaline and calcite crystal
  • Group
    • cyclosilicates
  • Composition
    • (Na,Ca)(Al,Fe,Li)(Al,Mg,Mn)6(Bo3)3(SiO18) (OH,F4)
  • Color
    • green
  • sistema cristalino
    • trigonal
  • Form
    • trigonal
  • Hardness
    • 7 - 7,5
  • Density
    • 2,98 - 3,26 g/cm3
  • Fracture
    • conchoidal
  • Glow
    • crystalline AA
  • Raya
    • Brown
  • Transparency
    • crystalline
  • Cleavage
    • high quality combination
  • Origin
    • shigar valley Pakistán
  • Price
    • 500€ - 1000€

Characteristics

The meaning of its name is “stones of mixed colors” since we can find practically any color in it, but the most valuable is usually emerald green or chrome green, or Paraíba or Indigolite, which are electric blue. The colors can be formed together or individually.

Up to 40 different species are commonly distinguished such as Elbaite, Uvita, Dravita, Foitite... The most commonly called "watermelon" tourmaline lives up to its name by the composition of its colors in the same order as a watermelon, in green on the outer edge and red in the central symmetry.

SYMBOLY: It was said that Tourmaline had pyroelectric properties and that it attracted straw, small pieces of wood and ash when heated, which is why the Dutch called it “asshentrekker” which means “ash-strip”. Black tourmaline is one of the most sought after for its beauty and healing properties and brings with it a legend that spans various cultures and times. The Empress of China Tzu Hsi was a great devotee of this piece, she used it fitted on jacket buttons and watch chains at the imperial court. Today, she rests in peace wrapped in a tourmaline cushion.

 

Elegant combination of green tourmaline crystals with smoky quartz between sheets of calcite and mica

93g  2,6 x 6,3 x 5,2 cm

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