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Insights.

Observations, research notes, and analytical features from the laboratory.

Crystal Inclusions and Iron-Strain Features in Natural Pink Sapphire
Specimen Observation

Crystal Inclusions and Iron-Strain Features in Natural Pink Sapphire

An unheated vivid pink sapphire reveals crystal inclusions and iron-strain patterns in healed fissures, providing…

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Seeing Double: Inside a Rare Transparent Triplite Gemstone
Specimen Observation

Seeing Double: Inside a Rare Transparent Triplite Gemstone

Transparent faceted triplite represents an exceptionally uncommon specimen in gemological collections. The mineral…

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Space Splendor Inclusions within Cobalt Blue Spinel from Mahenge, Tanzania
Specimen Observation

Space Splendor Inclusions within Cobalt Blue Spinel from Mahenge, Tanzania

Cobalt blue spinel from Mahenge Cobalt Blue Spinel 钴蓝尖晶石(钴尖晶)originating from an important spinel deposit in Mahenge…

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The Intriguing World of Zircon Inclusions in Madagascar Sapphires.
Specimen Observation

The Intriguing World of Zircon Inclusions in Madagascar Sapphires.

Forward In “Unveiling the Intriguing World of Zircon Inclusions in Madagascar Sapphires,” Seangrit elucidates…

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High Iron Yellow Sapphire with Beryllium Treatment
Technical Note

High Iron Yellow Sapphire with Beryllium Treatment

Figure 1The six beryllium diffused, high Fe, yellow sapphires described in this report.   Step into the captivating…

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The fascination and understanding of amber
Gemstone Profile

The fascination and understanding of amber

Occasionally as we become engrossed in a gem material that may be new, or at least partially new, to us, and…

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Synthetic Malachite
Technical Note

Synthetic Malachite

Why synthetic malachite matters Given its largely ornamental usage, the presence of synthetic malachite on the market…

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The Detection of Heat Treatment in Blue Sapphire Using FTIR & Some Notes on Related Internal Features
Technical Note

The Detection of Heat Treatment in Blue Sapphire Using FTIR & Some Notes on Related Internal Features

Heat treatment is used to improve the colour and clarity of blue sapphires (Abraham,1982; Anonymous, 1917; Fryer, 1983;…

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The Fascinating Interiors of Rhodolite Garnets
Specimen Observation

The Fascinating Interiors of Rhodolite Garnets

Amongst the variety of garnets worldwide, Rhodolite to many is a highly valued and beautiful gemstone for its color and…

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