Update on Mozambique Ruby Mining and Trading

Current activity and production at various sites around Mozambique are reported.

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Blue-Green Pyrope-Spessartine Garnet with High Vanadium

Garnets with a unique color and a previously unreported chemical composition are examined at GIA’s Carlsbad lab.

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The “Montana Queen” Sapphire

A rough blue sapphire crystal from the Rock Creek deposit is heat treated and cut to become the largest known faceted blue Montana sapphire.

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Multi-Color-Zoned Quartz from Brazil

A Brazilian quartz with unusual color zoning caused by variable iron content is examined.

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Yellow, Green, and Blue Sapphires Reportedly from Antang and Gombe, Nigeria

Nineteen sapphires of various colors, reportedly from sources in northern Nigeria, are studied in GIA’s Tokyo laboratory.

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