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The ICA GemLab Journal

GAMMA

A journal of gemmological research, field observations and informed perspectives from across the coloured gemstone world.

Latest issue

Research made tangible.

Each issue connects analytical work with the gemstones, people and places that shape our field.

GAMMA journal, Volume 2 · Issue 3
Latest issue · Volume 2 · Issue 3

From mine to market.

From Mozambique’s ruby mines and international auctions to provenance, fluorescence and cobalt-bearing spinel.

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The GAMMA archive.

GAMMA journal, Volume 2 · Issue 1GAMMA · Volume 2 · Issue 1GAMMA journal, Volume 2 · Issue 2GAMMA · Volume 2 · Issue 2GAMMA journal, Volume 1 · Issue 1GAMMA · Volume 1 · Issue 1GAMMA journal, Volume 1 · Issue 2GAMMA · Volume 1 · Issue 2GAMMA journal, Volume 1 · Issue 3GAMMA · Volume 1 · Issue 3GAMMA journal, Volume 1 · Issue 4GAMMA · Volume 1 · Issue 4