Journal of Gemmology

Article	Citations
Dubai Diamond Conference Summary and Highlights	6
An Unusual Pink Synthetic Opal	4
Colour-Change Garnet Showing Blue Colouration from Kamtonga, Kenya	2
Learning Opportunities	2
	2
Basaltic Sapphire Heated with Pressure	1
Interesting Inclusions in a Purple Spinel from Tanzania	1
Iolite from Tanzania with Large Hematite Inclusions	1
Star Augite from Vietnam	1
Gem-A Notices	1
Pegmatites and Their Gem Minerals	1
	1
Synthetic Moissanite with the Reflectivity of Diamond	1
Conferences	1
Gem Pursuit Podcasts	1
Geographic Origin Determination of High-quality Green Jadeite-Omphacite Jade (Fei Cui) from Myanmar, Guatemala and Italy Using Statistical Processing Coupled with Spectroscopic and Chemical Analyses	1
The Secret Teachings of Gemcutting: 50 Classic Gemstone Designs	1
Crocoite from Tasmania, Australia	1
Ruby from Central Madagascar	1
Gem Connection Podcasts	1
The Mineral and the Visual: Precious Stones in Medieval Secular Culture	1
Assure Program Developments	1
Literature of Interest	1
Opal Prospecting and Mining in South Australia	1
All the Queen’s Jewels, 1445–1548: Power, Majesty and Display	1

Violet Spinel with Strong Green Fluorescence	1
Other Book Titles	1
Ethical Metalsmiths Responsible Industry Survey 2022 Report	0
IIGJ-RLC Lab Information Circular Vol. 79	0
Demantoid from Kerman Province, South-east Iran: A Mineralogical and Gemmological Overview	0
‘Living Room Sessions’ Webinars	0
Scheelite from Namibia	0
Paul Zimnisky Diamond Analytics Podcasts	0
Pink Garnet from the Umba Valley Area, Tanzania: Mining and Surface Characteristics of the Rough	0
III Conferenza Nazionale Diamante e Gemme di Colore Abstracts	0
Global Diamond Industry Report 2021–2022	0
GIT Information Center Reports	0
Moldavite from Chlum, Czech Republic: Mining and Gem Properties	0
Aquamarine Crystal Containing a Large Multiphase Inclusion with a Mobile Bubble	0
A Photochromic Yellow Sapphire Coloured by Hole Centres	0
Conferences	0
Topaz from Thanh Hoa, Vietnam	0
Pink Garnet from the Umba Valley Area, Tanzania: Gem Characterisation	0
Faceted Sapphire Coloured Blue by a Polymer Coating	0
Study of an ‘Egyptian’ Emerald from the Mineralogy Museum at the Paris School of Mines	0
A Convincing Rough Diamond Imitation Manufactured from Topaz	0
Trapiche Grossular from China	0
Platinum Jewellery Business Review 2023	0
Copper-bearing Silicified Wood from Indonesia	0
Surface Structures on Beryl Crystals	0
Mineral Spectroscopy Server Updated	0
	0
	0
Update: Colourless HPHT-grown Synthetic Diamonds Testing as Synthetic Moissanite	0
Other Book Titles	0
Europa Star ‘Digital Books’	0
	0
Gold Demand Trends 2022	0
A Chinese Seal Stone Consisting of Yellow Talc	0
The Serendipity Star Sapphire Aggregate	0
Sarine’s CarbonVERO Diamond Traceability Solution	0
Other Book Titles	0
TRAFFIC Report on Hong Kong Ivory Ban	0
Wulfenite from Namibia	0
Quartz with Kyanite Inclusions from Brazil	0
Afghan Emerald with Gota de Aceite Phenomenon	0
Gamma Spectroscopy—A Possible Identification Method for the Artificial Irradiation of Morganite	0
New Finds at the Tourmaline King Mine, Pala, California, USA	0
Polystyrene Nucleus in a Freshwater Cultured Pearl	0
Gem-A Notices	0
SSEF Facette Magazine	0
Gemmes French Online Journal	0
Biominerals: Microbial Life in Agates and Other Minerals	0
RJC Guidance on G7 Imports of Russian Diamonds	0
Gem-quality Dark Blue Haüyne from Afghanistan	0

Clues to Understanding the Enigma of the Unusual Asterism in ‘Mercedes-Star’ Quartz	0
Precious: The History and Mystery of Gems Across Time	0
	0
Synthetic Ruby and Sapphire	0
Cleavelandite (Albite) from Maine, USA	0
Inhorgenta Trendfactory 2024 Presentations	0
Late Nineteenth-Century Portraits Engraved on Diamond	0
A New Reconstructed Turquoise Imitation Composed of Turquoise Powder with a PMMA (Acrylic) Binder	0
Star Gems: A Fascinating World	0
Laboratory-grown Diamond Market Research Report	0
Literature of Interest	0
Learning Opportunities	0
Trade Alert on Cr-diffused ‘Ruby’	0
Erratum	0
Literature of Interest	0
Photochromism and Phosphorescence of Tugtupite	0
HRD Talks	0
Shells: A Natural and Cultural History	0
Green Haüyne: A Rarity among Sodalite Gems	0
Natural Diamond Council’s Diamond Pipeline Integrity	0
Lab-Grown Diamond Market Research	0
Phenakite from Volodarsk-Volynski, Ukraine	0
Conferences	0
Ethical Metalsmiths International State of Practice Webinars	0
GIT Report on a Large Natural Freshwater Blister	0
The Origins and Analyses of Gem Corundums	0
Benitoite Polished as Beads for Necklaces	0
Sphalerite from Balmat, New York, USA	0
A Rare Bicoloured Yellow and Purple Topaz	0
Learning Opportunities	0
Gem-quality Variscite from Central Iran	0
Diamonds: Their History, Sources, Qualities and Benefits	0
Learning Opportunities	0
Burbankite from Kola Peninsula, Russia	0
Demantoid Garnet from Antetezambato, Northern Madagascar—Internal Characteristics and Their Use in Deciphering Geographic Origin	0
Other Book Titles	0
A Rare Inclusion Assemblage in a Ruby from Mogok, Myanmar: Lazurite, Sulphur and Bystrite	0
Record-Breaking 20 and 30 ct Laboratory-Grown CVD Diamonds	0
Literature of Interest	0
Unusual Colour-zoned Emerald	0
Black Sapphire Melee as a Black Diamond Imitation	0
Characteristics of Agates from Ferdows, Eastern Iran	0
Gem-A Notices	0
Erratum	0
RJC’s New Laboratory Grown Material Standard	0
Gem-A Notices	0
A Near-Colourless HPHT-grown Diamond with Natural-appearing Blue Fluorescence from N3 Centres	0
Gem-A Notices	0
Spherocobaltite within a Fluid Inclusion in a Zambian Emerald	0
Mica-Coated Emerald Imitations from Zambia	0
Jewelry Appraisal Handbook, 10th edn.	0
JNA’s Lab-Grown Diamond Special 2023	0
Hybrid Diamond Master Set for Colour Grading	0
Tourmaline from Calabar, Nigeria	0
An Ancient Engraved Pyrite Gem Featuring Aphrodite	0
Carbon Footprint of Pandora Laboratory-grown Diamonds	0
Dyed Chatoyant Quartz Misrepresented as Cats-eye Chrysoberyl in an Antique Jewel	0
The Journal’s Cumulative Index and Bibliography Lists Updated	0
Gemmological Characteristics and Origin of Brown Olivine from Southeast Vietnam	0
GIT Lab Note on Purplish Orange Dumortierite	0
Chromium-bearing Translucent Green Common Opal	0
Gübelin Gem Museum Opens	0
Lab-Grown Diamond Consumer Segments	0
Other Book Titles	0
Xonotlite from Italy	0
Conferences	0
Amber: From Antiquity to Eternity	0
Cassiterite from Namibia	0
Conferences	0
CIBJO’s Guidelines for Measuring ESG Performance in the Jewellery Industry and Supply Chain	0
Azurite from Russia	0
Learning Opportunities	0
Rhodonite from Italy and Indonesia	0
Pale Blue Montebrasite Represented as Paraíba Tourmaline	0
Learning Opportunities	0
Mineralogical Characteristics and Colour Genesis of Silicified Coral	0
Pearl: Nature’s Perfect Gem	0
Decoding the Jewels: Renaissance Jewellery in Scotland	0
Other Book Titles	0
Spessartine from Engare Naibor, Tanzania	0

Peridot from the Kugda Massif, Taymyr Region, Siberia	0
The Sinoniki Spessartine Deposit in Longido, Tanzania—A New Source of Bright Orange Spessartine (‘Mandarin’) Garnet	0
Characterisation and In Situ Age Determination of Zircon Inclusions in Sapphires from Muling, North-East China	0
Study of a Third-Century CE Sapphire Gold Ring in the Archaeological Museum of Thessaloniki, Greece	0
Minerals and Gemstones of Southern Africa	0
Manufactured Silica Glass Sold as Rock-Crystal Balls	0
Mineralogical and Gemmological Characteristics of Gem-quality Forsterite-Serpentine from North-eastern China	0
Other Book Titles	0
SSEF Update on Irradiation Treatment of Gem Corundum	0
Large Euclase, Reportedly from Zimbabwe	0
Resin-filled Helical Growth Inclusion in Emerald	0
Emerald Containing Residues of Green Polishing Compound	0
Literature of Interest	0
The Imperial Crown of the Holy Roman Empire, Part I: Photoluminescence and Raman Spectroscopic Study of the Gemstones	0
Comparison of Emeralds from the Chitral District, Pakistan, with other Pakistani and Afghan Emeralds	0
Quench-Fractured Bicoloured Synthetic Quartz: A Doubly Treated Gem Material	0
Peridot from Tanzania	0
Conferences	0
Microperthitic Star Orthoclase from Québec, Canada	0
De Beers Group Sightholder Summit 2023 Presentations	0
Sustainable Jewellery Practices Course	0
‘Pom-Pom’ Quartz: A New Gem Material Containing Bassanite Inclusions, from Minas Gerais, Brazil	0
Ludlamite from Brazil	0
The Goldsmiths’ Company Review 2023–2024	0
De Beers DiamondProof	0
Traceability and Sustainability Initiatives for Precious Corals in Japan	0
Geology and Mineralogy of Gemstones	0
Sailboat-like Inclusion in Ruby from China	0
Artificial Intelligence and Spectroscopic Techniques for Gemology Applications	0
Diamond within Diamond: An Analysis of the ‘Beating Heart’	0
Hexagonal Growth Structures Displaying Gota de Aceite Effect in Colombian Emerald	0
Dreher Masterworks at the Houston Museum of Natural Science	0
	0
Colombian Emerald Oddities: Review and Formation Mechanisms	0
Nineteenth Annual Sinkankas Symposium: San Diego County Gems and Minerals	0
Identification of Heat Treatment in Metamorphic-type Blue Sapphires Using FTIR Spectroscopy: New Insights on the 3232 cm−1 Band	0
RJC Human Rights Due Diligence Toolkit	0
JNA’s GemsWorld 2025	0
Diamond: Genesis, Mineralogy and Geochemistry	0
Asteriated Quartz Sphere with Sagenitic Rutile Inclusions	0
Gemtrue Arete Synthetic Diamond Tester	0
Diamond Identification Poster	0
Jade: A Gemologist’s Guide	0
An Alexandrite-Emerald Intergrowth, Reportedly from Russia	0
CVD-Grown Diamond with Unusual Fluorescence Colour Appearance	0
JNA’s Pearl Report 2023–2024	0
Literature of Interest	0
Aquamarine from Manakana, Madagascar	0
GemGenève November 2023 Presentations	0
Gold Demand Trends 2023	0
Hyalite Opal from Erongo, Namibia, Showing Green Daylight Fluorescence	0
De Beers Diamond Insight Report 2023	0
JNA’s Pearl Report 2022–2023	0
Literature of Interest	0
Silicified Wood with Drusy Quartz from Indonesia	0
Banjarmasin Diamond: War Booty from Borneo in Amsterdam	0
Gemmological Society of Japan 2021 Annual Meeting Abstracts	0
CIBJO Congress 2023 Special Reports	0
Sapphire: A Celebration of Colour	0
Iolite from the Czech Republic	0
Hawk’s-Eye Quartz Sold as Vivianite	0
Natural Diamond Council Report on Education in Retail Settings	0
	0
	0
Portuguese Crown Jewels on Display	0
Emerald from the Chitral Region, Pakistan: A New Deposit	0
Erratum	0
A Review of Bohemian Garnet (Cr-bearing Pyrope) from the Czech Republic	0
GemID Diamond Fingerprinting Instrument	0
Other Book Titles	0
De Beers’ ‘Origins’ Strategy Presentation	0
Sapphire from Sri Lanka with Twinned Gahnospinel Inclusion	0
CIBJO 2023 Conference Reports and Videos	0
‘Aquafire’ Beryl from Brazil	0
Coated Synthetic Sapphire as an Imitation of Co-blue Spinel	0
The Gemstones and Jewellery Community Platform Reports	0
Update on Emerald Mining at Campos Verdes, Goiás, Brazil	0
AMS Micro	0
Tea & Gemstones Podcasts	0
Photochromic Scapolite from Baffin Island, Canada	0
Literature of Interest	0
AGTA GemFair Tucson 2024 Seminars	0
Blue Sapphires Reportedly from Azad Kashmir	0
Gemmological Characteristics and Origin of Basalt-related Pyrope from Southeast Vietnam	0
Nephrite Jade from the Sky Zone, Wyoming, USA: Characteristics and Primary Hydrothermal Origin	0
Gemfields’ Market Report on Ruby in China	0
Webinars and Other Online Gemmological Education	0
Mystery Pendant Watch Made by Fabergé?	0
Characteristics of the Colour Zones and Inclusions in Unusual Multicoloured Quartz from Brazil	0
Gem-A Notices	0
Additional Production of Rainbow Moonstone Feldspar from Madagascar	0
Gem-A Notices	0
Literature of Interest	0
International Kimberlite Conference Abstracts and Field Trip Guides	0
Hazy Spinel from Mahenge, Tanzania	0