Fingerprinting Paranesti Rubies through Oxygen Isotopes

Kandy K. Wang, Ian T. Graham, Laure Martin, Panagiotis Voudouris, Gaston Giuliani, Angela Lay, Stephen J. Harris, Anthony Fallick

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

In this study, the oxygen isotope (O-18) composition of pink to red gem-quality rubies from Paranesti, Greece was investigated using in-situ secondary ionization mass spectrometry (SIMS) and laser-fluorination techniques. Paranesti rubies have a narrow range of O-18 values between similar to 0 and +1 parts per thousand and represent one of only a few cases worldwide where O-18 signatures can be used to distinguish them from other localities. SIMS analyses from this study and previous work by the authors suggests that the rubies formed under metamorphic/metasomatic conditions involving deeply penetrating meteoric waters along major crustal structures associated with the Nestos Shear Zone. SIMS analyses also revealed slight variations in O-18 composition for two outcrops located just similar to 500 m apart: PAR-1 with a mean value of 1.0 parts per thousand +/- 0.42 parts per thousand and PAR-5 with a mean value of 0.14 parts per thousand +/- 0.24 parts per thousand. This work adds to the growing use of in-situ methods to determine the origin of gem-quality corundum and re-confirms its usefulness in geographic "fingerprinting".

Original languageEnglish
Article number91
Number of pages14
JournalMinerals
Volume9
Issue number2
DOIs
Publication statusPublished - Feb 2019

Cite this

Wang, K. K., Graham, I. T., Martin, L., Voudouris, P., Giuliani, G., Lay, A., ... Fallick, A. (2019). Fingerprinting Paranesti Rubies through Oxygen Isotopes. Minerals, 9(2), [91]. https://doi.org/10.3390/min9020091
Wang, Kandy K. ; Graham, Ian T. ; Martin, Laure ; Voudouris, Panagiotis ; Giuliani, Gaston ; Lay, Angela ; Harris, Stephen J. ; Fallick, Anthony. / Fingerprinting Paranesti Rubies through Oxygen Isotopes. In: Minerals. 2019 ; Vol. 9, No. 2.
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Wang, KK, Graham, IT, Martin, L, Voudouris, P, Giuliani, G, Lay, A, Harris, SJ & Fallick, A 2019, 'Fingerprinting Paranesti Rubies through Oxygen Isotopes' Minerals, vol. 9, no. 2, 91. https://doi.org/10.3390/min9020091

Fingerprinting Paranesti Rubies through Oxygen Isotopes. / Wang, Kandy K.; Graham, Ian T.; Martin, Laure; Voudouris, Panagiotis; Giuliani, Gaston; Lay, Angela; Harris, Stephen J.; Fallick, Anthony.

In: Minerals, Vol. 9, No. 2, 91, 02.2019.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Fingerprinting Paranesti Rubies through Oxygen Isotopes

AU - Wang, Kandy K.

AU - Graham, Ian T.

AU - Martin, Laure

AU - Voudouris, Panagiotis

AU - Giuliani, Gaston

AU - Lay, Angela

AU - Harris, Stephen J.

AU - Fallick, Anthony

PY - 2019/2

Y1 - 2019/2

N2 - In this study, the oxygen isotope (O-18) composition of pink to red gem-quality rubies from Paranesti, Greece was investigated using in-situ secondary ionization mass spectrometry (SIMS) and laser-fluorination techniques. Paranesti rubies have a narrow range of O-18 values between similar to 0 and +1 parts per thousand and represent one of only a few cases worldwide where O-18 signatures can be used to distinguish them from other localities. SIMS analyses from this study and previous work by the authors suggests that the rubies formed under metamorphic/metasomatic conditions involving deeply penetrating meteoric waters along major crustal structures associated with the Nestos Shear Zone. SIMS analyses also revealed slight variations in O-18 composition for two outcrops located just similar to 500 m apart: PAR-1 with a mean value of 1.0 parts per thousand +/- 0.42 parts per thousand and PAR-5 with a mean value of 0.14 parts per thousand +/- 0.24 parts per thousand. This work adds to the growing use of in-situ methods to determine the origin of gem-quality corundum and re-confirms its usefulness in geographic "fingerprinting".

AB - In this study, the oxygen isotope (O-18) composition of pink to red gem-quality rubies from Paranesti, Greece was investigated using in-situ secondary ionization mass spectrometry (SIMS) and laser-fluorination techniques. Paranesti rubies have a narrow range of O-18 values between similar to 0 and +1 parts per thousand and represent one of only a few cases worldwide where O-18 signatures can be used to distinguish them from other localities. SIMS analyses from this study and previous work by the authors suggests that the rubies formed under metamorphic/metasomatic conditions involving deeply penetrating meteoric waters along major crustal structures associated with the Nestos Shear Zone. SIMS analyses also revealed slight variations in O-18 composition for two outcrops located just similar to 500 m apart: PAR-1 with a mean value of 1.0 parts per thousand +/- 0.42 parts per thousand and PAR-5 with a mean value of 0.14 parts per thousand +/- 0.24 parts per thousand. This work adds to the growing use of in-situ methods to determine the origin of gem-quality corundum and re-confirms its usefulness in geographic "fingerprinting".

KW - rubies

KW - corundum

KW - in-situ oxygen isotopes

KW - Paranesti Greece

KW - Nestos Shear Zone

KW - Secondary ion mass spectrometry (SIMS)

KW - CORUNDUM-BEARING ROCKS

KW - KESEBIR-KARDAMOS DOME

KW - GEM CORUNDUM

KW - STRUCTURAL EVOLUTION

KW - RUBY

KW - SAPPHIRE

KW - ORIGIN

KW - DEPOSITS

KW - KARELIA

KW - RHODOPE

U2 - 10.3390/min9020091

DO - 10.3390/min9020091

M3 - Article

VL - 9

JO - Minerals

JF - Minerals

SN - 2075-163X

IS - 2

M1 - 91

ER -

Wang KK, Graham IT, Martin L, Voudouris P, Giuliani G, Lay A et al. Fingerprinting Paranesti Rubies through Oxygen Isotopes. Minerals. 2019 Feb;9(2). 91. https://doi.org/10.3390/min9020091