Pear

Your gemstone search

Showing 1–16 of 24 results

  • Aquamarine Morganite Pair

    Aquamarine Morganite Pair

    27,541 ct. | V / VII/B / B
    GLA
    €8,470.00
  • Bastnäsite

    Bastnäsite

    2,829 ct. | IV/D
    GLA
    €504.17
  • Blue Sapphire

    Blue Sapphire

    6,226 ct. | VI/D
    GLA
    €5,848.33
  • Blue Sapphire

    Blue Sapphire

    2,025 ct. | III/B
    61428-1
    €6,050.00
  • Emerald pair

    Emerald pair

    13,333 ct. | III/D
    GLA
    €Price on request
  • Peridot

    Peridot

    5,035 ct. | IV/C
    GLA
    €907.50
  • Peridot

    Peridot

    5,449 ct. | IV/C
    GLA
    €1,512.50
  • Peridot

    Peridot

    8,317 ct. | III/D
    GLA
    €1,815.00
  • Peridot

    Peridot

    8,14 ct. | IV/C
    GLA
    €1,815.00
  • Pinksapphire

    Pinksapphire

    1,087 ct. | V/C
    GLA
    €1,109.17
  • Pinksapphire

    Pinksapphire

    1,107 ct. | VII/D
    GLA
    €504.17
  • Purplesapphire

    Purplesapphire

    1,017 ct. | V/C
    GLA
    €806.67
  • Rubellite

    Rubellite

    2,508 ct. | II/C
    GLA
    €655.42
  • Rubellite

    Rubellite

    3,301 ct. | II/C
    GLA
    €1,109.17
  • Rubellite

    Rubellite

    3,423 ct. | III/C
    GLA
    €1,310.83
  • Rubellite

    Rubellite

    3,691 ct. | II/C
    GLA
    €1,260.42

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
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