Pear

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Showing 1–16 of 37 results

  • Aquamarine Morganite Pair

    Aquamarine Morganite Pair

    27,541 ct. | V / VII/B / B
    GLA
    S$12,105.08
  • Bastnäsite

    Bastnäsite

    2,829 ct. | IV/D
    GLA
    S$720.54
  • Blue Sapphire

    Blue Sapphire

    6,226 ct. | VI/D
    GLA
    S$8,358.27
  • Blue Sapphire

    Blue Sapphire

    1,179 ct. | VI/D
    GLA
    S$936.70
  • Emerald pair

    Emerald pair

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

    Peridot

    8,317 ct. | III/D
    GLA
    S$2,593.95
  • Peridot

    Peridot

    6,442 ct. | III/D
    GLA
    S$2,017.51
  • Peridot

    Peridot

    5,449 ct. | IV/C
    GLA
    S$2,161.62
  • Peridot

    Peridot

    5,035 ct. | IV/C
    GLA
    S$1,296.97
  • Peridot

    Peridot

    8,14 ct. | IV/C
    GLA
    S$2,593.95
  • Pink Sapphire

    Pink Sapphire

    2,064 ct. | IV/C
    GLA
    S$6,052.54
  • Pinksapphire

    Pinksapphire

    1,087 ct. | V/C
    GLA
    S$1,585.19
  • Pinksapphire

    Pinksapphire

    1,107 ct. | VII/D
    GLA
    S$720.54
  • Purplesapphire

    Purplesapphire

    1,017 ct. | V/C
    GLA
    S$1,152.86
  • Rubellite

    Rubellite

    3,98 ct. | II/C
    GLA
    S$2,305.73
  • Rubellite

    Rubellite

    5,797 ct. | II/C
    GLA
    S$4,179.13

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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