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Gemological Magazine

Kasun Madivila > Services > Gemological Magazine

Tourmaline Lanka Gemological Magazine – Sri Lanka’s First International Gem Journal

Tourmaline Lanka Gemological Magazine is Sri Lanka’s pioneering international-standard gem publication, brought to you by TGL Gem Lab. Established to elevate industry knowledge and transparency, this magazine blends technical excellence with captivating storytelling .

Magazine Overview


  • Sri Lanka’s 1st International Gem Magazine – A platform for gemological insight, scientific discovery, and culture-focused narratives.
  • Published by TGL Gem Lab – Aligned with the Lab’s mission to promote accuracy, unbiased evaluation, and education in gem sciences.

Content & Features

Gemological Reports & Research

  • In-depth studies such as the identification of rare gemstones (e.g., “Cat’s-Eye Xenotime”).
  • Technical analyses of treatments, inclusions, and gemstone origins using FTIR, LIBS, Raman, and more.

Industry Updates & News

  • Coverage of milestone events like the Ratnapura branch opening, Facets exhibitions, and Jewels 2016.
  • Regular updates on TGL-led Jewelry Appraisal Promotion Events, providing live, unbiased evaluations at exhibitions.

On-the-Ground Insights

  • Field reports from gem-cutting houses, mines in Ratnapura, and local gem markets.
  • Profiles on traditional techniques and their scientific relevance .

Multi-Lingual Editions

  • Includes special issues such as the September 2016 Chinese edition, underscoring TGL’s international reach .

Robust Archive

  • Back issues span from September 2015 to the latest in December 2024, offering a rich resource for gem professionals and enthusiasts .

Purpose & Significance

  • Advance Gem Knowledge – Presents rigorous technical research, gemstone science, and unfolding discoveries.
  • Build Transparency – Independent appraisals and treatment insights bolster consumer trust.
  • Preserve Culture – Captures the evolving narrative of Sri Lanka’s gem traditions and global impact.
  • Engage Professionals – Keeps gemologists, traders, and miners updated with the latest industry practices and event coverage.

Our Services

Have any Questions? Call us Today!

වාග් විභුෂණ කිර්ති  ශ්‍රී  දේශ  බන්දු  ලංකා පුත්‍ර 

Dr. KASUN G. MADIVILA
GG, AJP (GIA)

Graduate Gemologist 
TGL-Group | Founder
Gemological Institute of America (GIA)
National Tourist Guide Lecturer
Gem Market, Patte Kade,
China Fort, BERUWALA, SRI LANKA.
Rathnapura * Galle * China 
Call: +94 34 2277511
Mobile: +94 766 343430

Access & Engagement

  • Availability: Freely accessible via our website under the “Gemological Magazine” section.
  • Editable & Visible: Lists magazine editors via the website, allowing readers to understand the editorial team's credentials .
  • Readership: Distributed at exhibitions, TGL events, and online—reaching gem experts, traders, international stakeholders, and enthusiasts.

What’s Next?

  • Future Issues will continue to highlight scientific break-throughs—e.g., trending gemstone research, analytical technique advancements, conservation efforts, and more.
  • Community Events: Upcoming appraisal sessions, magazine launches at Sri Lankan and global gem events.
  • International Editions: Potential extensions in multiple languages to serve the growing global gem community.

In Summary

The Tourmaline Lanka Gemological Magazine is more than a periodical—it’s TGL Gem Lab’s flagship initiative to champion gemological science, industry integrity, and cultural preservation. It serves as a key resource for professionals and lovers of gemstones worldwide.

Would you like a copy of the latest issue, editorial submission guidelines, or information on upcoming magazine-related events?

Our Services

Have any Questions? Call us Today!

වාග් විභුෂණ කිර්ති  ශ්‍රී  දේශ  බන්දු  ලංකා පුත්‍ර 

Dr. KASUN G. MADIVILA
GG, AJP (GIA)

Graduate Gemologist 
TGL-Group | Founder
Gemological Institute of America (GIA)
National Tourist Guide Lecturer
Gem Market, Patte Kade,
China Fort, BERUWALA, SRI LANKA.
Rathnapura * Galle * China 
Call: +94 34 2277511
Mobile: +94 766 343430