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  • Purplesapphire

    Purplesapphire

    1,471 ct. | VI/D
    GLA
    €1,000.00
  • Purplesapphire

    Purplesapphire

    4,452 ct. | VI/E
    GLA
    €3,600.00
  • Purplesapphire

    Purplesapphire

    2,021 ct. | VI/D
    GLA
    €1,250.00
  • Rubellite

    Rubellite

    2,518 ct. | II/C
    GLA
    €650.00
  • Rubellite

    Rubellite

    2,568 ct. | III/C
    GLA
    €500.00
  • Rubellite

    Rubellite

    3,309 ct. | II/C
    GLA
    €1,300.00
  • Rubellite

    Rubellite

    3,332 ct. | III/D
    GLA
    €1,200.00
  • Ruby

    Ruby

    3,672 ct. | IV/E
    GLA
    €31,500.00
  • Ruby

    Ruby

    6,179 ct. | V/C
    GLA
    €Price on request
  • Ruby

    Ruby

    3,024 ct. | V/C
    GLA
    €Price on request
  • Ruby

    Ruby

    3,915 ct. | V/C
    GLA
    €Price on request
  • Ruby

    Ruby

    4,061 ct. | II/D
    GLA
    €27,000.00
  • Spinel

    Spinel

    1,762 ct. | V/B
    GLA
    €1,000.00
  • Spinel

    Spinel

    2,205 ct. | IV/D
    GLA
    €1,100.00
  • Spinel

    Spinel

    2,392 ct. | V/C
    GLA
    €1,500.00
  • Spinel

    Spinel

    1,94 ct. | IV/B
    GLA
    €1,300.00

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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