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Musgravite from Myanmar
Musgravite from Myanmar

Two small, near-colourless stones reportedly from Myanmar (0.11 and 0.24 ct; figure 1) were recently loaned to GIA for examination for identification.

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Blue cat's-eye apatite
Blue cat's-eye apatite

Deep blue apatite with a cat’s-eye effect, however, is very rare.

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Greyish blue aquamarine
Aquamarine with Unusually Strong Dichroism

This aquamarine's most striking feature was its unusually strong dichroism, displaying very deep blue and pale bluish green colours.

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Unusual Epigenetic Malachite Discs in Quartz

The uncommon occurrence of epigenetic malachite, as found in this quartz, can result in vivid green colour.

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Unusual Faceted Massive Fuchsite

An unusually large faceted fuchsite, the chromian variety of muscovite, was identified and its green colour explained.

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Tiny cut stones highly saturated
Coloured stones cut with high precision

At the AGTA and GJX shows, China Stone (Bangkok) marketed a selection of tiny, precisely cut natural gemstones.

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Water Immersion Reveals Dye in Fire Opal

A simple test easily detected dye treatment in fire opal.

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