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Others

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Showing 113–128 of 137 results

  • Spinel

    Spinel

    1,172 ct. | V/B
    GLA
    €500.00
  • Spinel

    Spinel

    1,152 ct. | V/C
    GLA
    €500.00
  • Spinel

    Spinel

    1,662 ct. | V/C
    GLA
    €700.00
  • Spinel

    Spinel

    1,355 ct. | VI/C
    GLA
    €500.00
  • Spinel

    Spinel

    2,202 ct. | V/C
    GLA
    €900.00
  • Spinel

    Spinel

    2,289 ct. | VII/A
    GLA
    €500.00
  • Spinel

    Spinel

    1,998 ct. | V/A
    GLA
    €900.00
  • Spinel

    Spinel

    2,565 ct. | VI/C
    GLA
    €1,000.00
  • Spinel

    Spinel

    4,243 ct. | VII/C
    GLA
    €2,000.00
  • Spinel

    Spinel

    3,883 ct. | VII/B
    GLA
    €1,800.00
  • Spinel

    Spinel

    2,173 ct. | VI/C
    GLA
    €1,000.00
  • Spinel

    Spinel

    1,524 ct. | II/C
    64839-1
    €7,400.00
  • Spinel

    Spinel

    1,069 ct. | II/B
    64840-1
    €6,800.00
  • Spinel

    Spinel

    1,489 ct. | III/C
    64843-1
    €3,300.00
  • Spinel

    Spinel

    1,121 ct. | III/C
    64844-1
    €4,000.00
  • Spinel

    Spinel

    1,014 ct. | II/C
    64847-1
    €5,400.00

Facts

properties of spinel

  • Own mineralogical group
  • Hardness grade 8
  • Chemical formula: MgAl2O4
  • Includes almost all colors
  • Colored by different metal oxides
  • High density of the mineral: 3.6 - 4.1

origin

  • Burma
  • Vietnam
  • Tadschikistan
  • Sri Lanka
  • Afghanistan

worth knowing

  • Oldest known locality: Burma
  • Has been confused with ruby for a long time
  • Some of the most important "rubies" in the world are therefore spinels
  • Spinel can be distinguished from ruby by its crystal system and refraction of light
  • Gives courage and confidence
  • Most important place of discovery is still Burma

investment in spinel

  • Outsider in the investment field, which will quickly increase in value
  • Rare, rapidly increasing in value
  • Stones should have at least 2 ct weight
  • Larger, luminous stones have higher increase in value
  • Experts expect 8 - 10% increase in value per year
  • Beautiful sparkling spinels are to be preferred
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