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2000

Zur Bestimmung von GE POL Diamanten: erste Erkenntnisse

Zur Bestimmung von GE POL Diamanten: erste Erkenntnisse […]

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Authors

  • E. Fritsch
  • H.A. Haenni
  • J.-P. Chalain
Research Articles
DiamondTreatments
2000

Identification of GE POL diamonds: a second step

Identification of GE POL diamonds: a second step. Publi […]

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Authors

  • E. Fritsch
  • H.A. Haenni
  • J.-P. Chalain
Research Articles
DiamondTreatments
2000

Identification of colourless HPHT treated diamonds (e.g. GE POL)

Identification of colourless HPHT treated diamonds (e.g […]

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Authors

  • E. Fritsch
  • H.A. Haenni
  • J.-P. Chalain
Research Articles
DiamondTreatments
2000

Detection of GE POL treated diamonds

Detection of GE POL treated diamonds. Published in 2000 […]

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Authors

  • E. Fritsch
  • H.A. Haenni
  • J.-P. Chalain
Research Articles
DiamondTreatments
1999

Identification of filler substances in emeralds by infrared and Raman spectroscopy

Identification of filler substances in emeralds by infr […]

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Authors

  • H.A. Haenni
  • J.-P. Chalain
  • L. Kiefert
  • W. Weber
Research Articles
EmeraldTreatments
1999

Mise à jour sur la détermination des substances de remplissage dans les emeraudes

Mise à jour sur la détermination des substances de remp […]

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Authors

  • J.-P. Chalain
Research Articles
EmeraldTreatments
1999

Détection des diamants GE POL

Détection des diamants GE POL. Published in Revue A.F.G […]

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Authors

  • E. Fritsch
  • H.A. Haenni
  • J.-P. Chalain
Research Articles
DiamondTreatments
1999

Detection of GE POL diamonds: a first stage

Detection of GE POL diamonds: a first stage. Published […]

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Authors

  • E. Fritsch
  • H.A. Haenni
  • J.-P. Chalain
Research Articles
DiamondTreatments
1998

Short notes on some gemstone treatments

Short notes on some gemstone treatments. Published in G […]

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Authors

  • H.A. Haenni
Research Articles
Treatments
1998

Fracture filling in emeralds and its detection with laboratory methods

Fracture filling in emeralds and its detection with lab […]

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Authors

  • H.A. Haenni
Research Articles
EmeraldTreatments

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