• <span data-lazy-src=
  • <span data-lazy-src=

Cat’s Eye Tourmaline

Item Number: TUR-GREBLU-2021-213

€2.200,00

incl. VAT

In stock

0
Ask about gemstone
FavoritFavorit entfernen
Favorit
Compare

Share

Details

Price:
2.200,00 €
Weight:
22,033 ct.
Color:
Blue
Shape:
Cabochon
Dimensions:
16.44 mm x 15.61 mm x 9.09 mm
Color Quality:
good (V)
Origin:
Unknown origin
Treatment:
not detectable
Certificate:
GLA53555
Item Number:
TUR-GREBLU-2021-213

You may also like following stones

  • Rubellite

    2,668 ct. | Unknown origin
    III/C | not detectable
    GLA52445
    €650,00
    Compare

  • Rubellite

    2,094 ct. | Unknown origin
    II/C | not detectable
    GLA52463
    €550,00
    Compare

  • Indicolite

    2,464 ct. | Unknown origin
    IV/C | not detectable
    GLA49705
    €500,00
    Compare

facts

properties of tourmaline

  • Separate mineralogical group with many varieties
  • Hardness grade 7 – 7,5
  • Chemical formula: XY3Z6(T6O18)(BO3)3V3W(V, W, X, Y, Z stand for different possible elements)
  • Includes all colors
  • Colored by different metal oxides
  • Specific gravity 2.8 – 3.3 g/cm3

origin

  • Brasilia
  • Madagascar
  • Pakistan
  • Various locations in Europe
  • Mozambique
  • Namibia
  • Nigeria

worth knowing

  • Oldest known locality in modern trade: Brazil
  • Occurs in all colors
  • Forms beautiful crystals with very good crystal endings
  • Various esoteric and healing meanings
  • Also large crystals and large cut stones possible
  • The locality Pakistan was discovered only around 2010

investment in tourmaline

  • Still undervalued compared to other gemstones.
  • Exception: the Paraiba tourmaline, which can be more expensive than sapphire
  • Stones should be at least 5 ct in weight, except for Paraiba
  • Larger stones have higher appreciation
  • Experts calculate 6 – 8% increase in value per year
  • Beautiful, pure stones with clear colors are preferable

close

 I have read and agree with the Data protection information.