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SSEF - Leader in coloured gemstone, diamond and pearl ......Identification of gemstone treatments with Raman Spectroscopy Lore Kiefert*, Henry A. Hänni, Jean-Pierre Chalain SSEF Swiss

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Page 1: SSEF - Leader in coloured gemstone, diamond and pearl ......Identification of gemstone treatments with Raman Spectroscopy Lore Kiefert*, Henry A. Hänni, Jean-Pierre Chalain SSEF Swiss

Page 2: SSEF - Leader in coloured gemstone, diamond and pearl ......Identification of gemstone treatments with Raman Spectroscopy Lore Kiefert*, Henry A. Hänni, Jean-Pierre Chalain SSEF Swiss

Page 3: SSEF - Leader in coloured gemstone, diamond and pearl ......Identification of gemstone treatments with Raman Spectroscopy Lore Kiefert*, Henry A. Hänni, Jean-Pierre Chalain SSEF Swiss

Page 4: SSEF - Leader in coloured gemstone, diamond and pearl ......Identification of gemstone treatments with Raman Spectroscopy Lore Kiefert*, Henry A. Hänni, Jean-Pierre Chalain SSEF Swiss

Page 5: SSEF - Leader in coloured gemstone, diamond and pearl ......Identification of gemstone treatments with Raman Spectroscopy Lore Kiefert*, Henry A. Hänni, Jean-Pierre Chalain SSEF Swiss

Page 6: SSEF - Leader in coloured gemstone, diamond and pearl ......Identification of gemstone treatments with Raman Spectroscopy Lore Kiefert*, Henry A. Hänni, Jean-Pierre Chalain SSEF Swiss

Page 7: SSEF - Leader in coloured gemstone, diamond and pearl ......Identification of gemstone treatments with Raman Spectroscopy Lore Kiefert*, Henry A. Hänni, Jean-Pierre Chalain SSEF Swiss

Page 8: SSEF - Leader in coloured gemstone, diamond and pearl ......Identification of gemstone treatments with Raman Spectroscopy Lore Kiefert*, Henry A. Hänni, Jean-Pierre Chalain SSEF Swiss

Page 9: SSEF - Leader in coloured gemstone, diamond and pearl ......Identification of gemstone treatments with Raman Spectroscopy Lore Kiefert*, Henry A. Hänni, Jean-Pierre Chalain SSEF Swiss

Page 10: SSEF - Leader in coloured gemstone, diamond and pearl ......Identification of gemstone treatments with Raman Spectroscopy Lore Kiefert*, Henry A. Hänni, Jean-Pierre Chalain SSEF Swiss

Page 11: SSEF - Leader in coloured gemstone, diamond and pearl ......Identification of gemstone treatments with Raman Spectroscopy Lore Kiefert*, Henry A. Hänni, Jean-Pierre Chalain SSEF Swiss

Design

SSEF 2018 Briefing - Science Centre Singapore · 2020. 4. 28. · SSEF ISEF Singapore Science and Engineering Fair (SSEF) 2018 Organised by MOE, A*STAR and Science Centre Singapore

SSEF 2018 Briefing - Science Centre Singapore · 2020. 4. 28. · SSEF ISEF Singapore Science and Engineering Fair (SSEF) 2018 Organised by MOE, A*STAR and Science Centre Singapore

Documents

SSEF FACETTE No. 16

SSEF FACETTE No. 16

Documents

SSEF FACETTE No. 15 · During the year we received positive signals from the gemstone and jewellery business, and the demand for SSEF test reports was very satisfactory. A general

SSEF FACETTE No. 15 · During the year we received positive signals from the gemstone and jewellery business, and the demand for SSEF test reports was very satisfactory. A general

Documents

Gemstone Warrior

Gemstone Warrior

Documents

FACETTE No. 18 - SSEF - Leader in coloured gemstone ... · the Mogok Gemstone tract in Burma (Myanmar) and in Ceylon (Sri Lanka). The spinels from the Pamirs generally display a pinkish

FACETTE No. 18 - SSEF - Leader in coloured gemstone ... · the Mogok Gemstone tract in Burma (Myanmar) and in Ceylon (Sri Lanka). The spinels from the Pamirs generally display a pinkish

Documents

EVALUATION SSEF RDC 30-12-2015-

EVALUATION SSEF RDC 30-12-2015-

Documents

SSEF - Leader in coloured gemstone, diamond and …...emeralds (or rubies) must possess a certain saturation of green (or red) to earn their valued name. As nature does not discriminate

SSEF - Leader in coloured gemstone, diamond and …...emeralds (or rubies) must possess a certain saturation of green (or red) to earn their valued name. As nature does not discriminate

Documents

SSEF - Leader in coloured gemstone, diamond and pearl

SSEF - Leader in coloured gemstone, diamond and pearl

Documents

Gemstone presentation

Gemstone presentation

Documents

SSEF - Leader in coloured gemstone, diamond and pearl ...€¦ · gem and mineral shows, we had never seen gems fash- ioned from this rare mineral, so for us th1S was a first opportunity

SSEF - Leader in coloured gemstone, diamond and pearl ...€¦ · gem and mineral shows, we had never seen gems fash- ioned from this rare mineral, so for us th1S was a first opportunity

Documents

SSEF - Leader in coloured gemstone, diamond and pearl ... · The objective of gemstone treatments is to improve quality, i.e. to enhance the mat- erial. Such a step is taken when

SSEF - Leader in coloured gemstone, diamond and pearl ... · The objective of gemstone treatments is to improve quality, i.e. to enhance the mat- erial. Such a step is taken when

Documents

SSEF - Leader in coloured gemstone, diamond and pearl ... › wp-content › uploads › 2018 › 03 › ... · of the gemstones and their inclusions are published. All observations

SSEF - Leader in coloured gemstone, diamond and pearl ... › wp-content › uploads › 2018 › 03 › ... · of the gemstones and their inclusions are published. All observations

Documents

Bando Concorso 179 Funzionari MEF SSEF

Bando Concorso 179 Funzionari MEF SSEF

Education

SSEF - Leader in coloured gemstone, diamond and pearl testing …€¦ · pure garnet type possesses characteristic physical properties: Physical properties of idealized garnet types

SSEF - Leader in coloured gemstone, diamond and pearl testing …€¦ · pure garnet type possesses characteristic physical properties: Physical properties of idealized garnet types

Documents

SSEF - Leader in coloured gemstone, diamond and pearl testing … · GEMMOLOGY BV Dr. H.A. Hänni, FGA, SSEF. — Swiss Gemmological Institute, Zürich, Switzerland Electromagnetic

SSEF - Leader in coloured gemstone, diamond and pearl testing … · GEMMOLOGY BV Dr. H.A. Hänni, FGA, SSEF. — Swiss Gemmological Institute, Zürich, Switzerland Electromagnetic

Documents

Ruby gemstone or manik gemstone for pisces

Ruby gemstone or manik gemstone for pisces

Lifestyle

Documents

SSEF - Leader in coloured gemstone, diamond and pearl ...€¦ · moissanite is always yellow (Nassau GIA Sym- posium 1999). Moissanite occurs naturally only as tiny dark crystals

SSEF - Leader in coloured gemstone, diamond and pearl ...€¦ · moissanite is always yellow (Nassau GIA Sym- posium 1999). Moissanite occurs naturally only as tiny dark crystals

Documents

SSEF - Leader in coloured gemstone, diamond and pearl testing … · zen charakteristische Merkmale von künst- lich verheilten Rissen, wie man sie z.B. von den Rubinen aus Mong Hsu

SSEF - Leader in coloured gemstone, diamond and pearl testing … · zen charakteristische Merkmale von künst- lich verheilten Rissen, wie man sie z.B. von den Rubinen aus Mong Hsu

Documents

Yishun Junior College_Lou Wei Hao Darren_ SSEF report_BC020

Yishun Junior College_Lou Wei Hao Darren_ SSEF report_BC020

Documents

Gemstone Export - World Large Gemstone Healing Company

Gemstone Export - World Large Gemstone Healing Company

Entertainment & Humor

SSEF ATS ISEF SSEF / ATS 2011 Briefing 14 July 2010 Science Centre Singapore 1

SSEF ATS ISEF SSEF / ATS 2011 Briefing 14 July 2010 Science Centre Singapore 1

Documents

Gemstone Jewelry

Gemstone Jewelry

Entertainment & Humor

SSEF - Leader in coloured gemstone, diamond and pearl ......EL DIAMANTE VERDE DE DRESDEN por G. Bosshart Fundación Suiza para el Estudio de Piedras Preciosas SSEF* pay: Zurich Der

SSEF - Leader in coloured gemstone, diamond and pearl ......EL DIAMANTE VERDE DE DRESDEN por G. Bosshart Fundación Suiza para el Estudio de Piedras Preciosas SSEF* pay: Zurich Der

Documents

SSEF - Leader in coloured gemstone, diamond and pearl testing … · Fissures filled with glassy substances Today the large majority of rubies is heated and contains artificial residues

SSEF - Leader in coloured gemstone, diamond and pearl testing … · Fissures filled with glassy substances Today the large majority of rubies is heated and contains artificial residues

Documents

SSEF FACETTE No. 13...- Dyeing of Gemstones - Lead glass in Ruby - SSEF Courses 2006 - SSEF Alumni Association - News from CIBJO and LMHC SSEF FACETTE No. 13 SWISS GEMMOLOGICAL …

SSEF FACETTE No. 13...- Dyeing of Gemstones - Lead glass in Ruby - SSEF Courses 2006 - SSEF Alumni Association - News from CIBJO and LMHC SSEF FACETTE No. 13 SWISS GEMMOLOGICAL …

Documents

SSEF - Leader in coloured gemstone, diamond and pearl ......and fluorescence under long- and short-wave ultraviolet radiation for all samples. Standard microscopic techniques were

SSEF - Leader in coloured gemstone, diamond and pearl ......and fluorescence under long- and short-wave ultraviolet radiation for all samples. Standard microscopic techniques were

Documents

Chatoyant gemstone or cats eye gemstone

Chatoyant gemstone or cats eye gemstone

Social Media

Gemstone Manfucaturer

Gemstone Manfucaturer

Business