Journal profile · Earth and Planetary Sciences-Geochemistry and Petrology
Journal of Gemmology
ISSN 1355-4565 · eISSN 2632-1718 · Gemmological Association and Gem Testing Laboratory of Great Britain · ENGLAND
Journal of Gemmology: CAS Zone 4 · Earth Sciences (2025 upgraded edition); impact factor 1.1; subscription journal; 150 articles in 2025; indexed in SCIE and Scopus.
Scope
Aims, scope and focus
Journal of Gemmology is published by Gemmological Association and Gem Testing Laboratory of Great Britain and is in Zone 4 of Earth Sciences in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Mineralogy and Gemology Studies, Diverse Scientific and Economic Studies and Human auditory perception and evaluation, together about 46.8% of its articles. (generated from OpenAlex topic counts and CAS ranking data)
A leader in its field, The Journal of Gemmology publishes original research articles on all aspects of gemmology, including natural stones and their treatments, synthetics and simulated gemstones. In addition, sections such as Gem Notes, What’s New, Conferences, Learning Opportunities, New Media and Literature of Interest inform readers about new instruments, publications, articles and educational events. The Journal is currently published by Gem-A in collaboration with the Swiss Gemmological Institute (SSEF) and with support from American Gemological Laboratories (AGL).
Source: LetPub
Research area (LetPub): Earth and Planetary Sciences-Geochemistry and Petrology
Main research topics OpenAlex counts of recent articles; shares are approximate
- Mineralogy and Gemology StudiesEarth and Planetary Sciences32.8%
- Diverse Scientific and Economic StudiesEconomics, Econometrics and Finance7.3%
- Human auditory perception and evaluationEngineering6.7%
- Geological and Geochemical AnalysisEarth and Planetary Sciences6.3%
- Cultural Heritage Materials AnalysisArts and Humanities6.3%
- Legal Cases and CommentaryMedicine4.9%
- Pigment Synthesis and PropertiesChemistry4.3%
- Metallurgy and Cultural ArtifactsSocial Sciences4.3%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Earth Sciences Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Earth Sciences | Zone 4 |
| Minor | Mineralogy | Zone 4 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Earth Sciences Zone 3
| Level | Category | Zone |
|---|---|---|
| Major | Earth Sciences | Zone 3 |
| Minor | Mineralogy | Zone 3 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Earth Sciences Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Earth Sciences | Zone 4 |
| Minor | Mineralogy | Zone 4 |
Top journal: noReview journal: no
Database indexing
SCIEScopusLetPub
International journal early-warning lists: not listed in any editionLetPub
Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.
Metrics
Impact metrics and publication volume
Impact
- Impact factor
- 1.1LetPub ·
- CiteScore 2026-06
- 0.5LetPub ·
- SJR 2026-06
- 0.28LetPub ·
- SNIP 2026-06
- 0.38LetPub ·
- h-index
- 25OpenAlex ·
- i10-index
- 125OpenAlex ·
- 2-year mean citedness
- 0.07OpenAlex ·
- Self-citation rate
- 36.4%LetPub ·
- Share of gold OA articles
- 0%LetPub ·
Volume
- Articles per year
- 15LetPub ·
Articles by year OpenAlex count · 3,846 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 119 | 2 | 1 |
| 2025 | 150 | 1 | 4 |
| 2024 | 148 | 2 | 23 |
| 2023 | 142 | 3 | 54 |
| 2022 | 171 | 2 | 65 |
| 2021 | 148 | 3 | 105 |
Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.
Fees & open access
APC and open-access policy
Subscription journalLetPub
A subscription journal: articles are read by subscription or purchase, and authors usually pay no publication charge.
No source has fee information yet; check the journal's website.
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Profile
Publication details and official links
- Publisher
- Gemmological Association and Gem Testing Laboratory of Great Britain
- Country or region
- ENGLAND
- Language
- English
- ISSN
- 1355-4565
- Electronic ISSN
- 2632-1718
FAQ
Frequently asked questions about Journal of Gemmology
What CAS zone is Journal of Gemmology in?
In the 2025 upgraded edition of the CAS Journal Ranking, Journal of Gemmology is in Zone 4 of Earth Sciences, and in Zone 4 of the minor category Mineralogy. In the 2026 Xinrui edition it is in Zone 3 of Earth Sciences. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of Journal of Gemmology?
The latest impact factor listed by LetPub is 1.1; CiteScore 0.5, h-index 25.
Which databases index Journal of Gemmology?
According to LetPub and DOAJ records, Journal of Gemmology is indexed in SCIE and Scopus.
Is Journal of Gemmology open access, and what is the APC?
Journal of Gemmology is a subscription journal. Fee information is not available yet; check the journal's website.
Sources and updates
The facts on this page come from LetPub, OpenAlex; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-25). Last updated: .