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Showing 162 results for "lead glass filled rubies"
Ruby crystal from Montepuez Article
Series of Articles on Rubies from Mozambique

GIA publications since 2009 on ruby mining in Mozambique

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GIA team at Montepuez ruby deposit
Mozambique: A Ruby Discovery for the 21st Century

Explores the geology, production, and yield of the world’s most commercially important ruby deposit.

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GIA Team Article
Mozambique: A Ruby Discovery for the 21st Century

Join GIA on location at the Montepuez ruby mine in Mozambique, the most important ruby discovery of this new century.

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Trapiche Rubies

Ruby crystals from Southeast Asia with a fixed six-rayed star, similar in effect to trapiche emeralds from Colombia, are described.

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Article
Summer 2015 G&G: Dual-Stars, Photomicrography Guide, Rubies from Tajikistan, New Micro-World Section

G&G Brief presents an overview of the content of the Summer 2015 issue of Gems & Gemology.

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Rubies from Mong Hsu
Rubies from Mong Hsu

Large quantities of rubies—both rough and faceted—from a commercially important new source in Myanmar (Burma) have been available on the Bangkok market since 1992.

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Bright red faceted ruby in a gold ring, from the large and potentially productive Snezhnoe deposit in Tajikistan.
Rubies and Sapphires from Snezhnoe, Tajikistan

This large marble-hosted occurrence in the Pamir Mountains is a potentially productive source of corundum, including ruby with a bright red color reminiscent of “pigeon’s blood” Burmese rubies.

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Article
Rubies Reportedly from the Niassa Region of Mozambique

Attractive new rubies reportedly from northern Mozambique have begun to appear on the Thai gem market. The stones resemble rubies from Winza, Tanzania, but this study shows they can be distinguished by microscopic examination.

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Filled Aquamarine Jewelry
Polymer-Filled Aquamarine

The authors have encountered hundreds of polymer-filled aquamarines in the Chinese jewelry market.

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Ruby and Sapphire Production and Distribution: A Quarter Century of Change
Ruby and Sapphire Production and Distribution: A Quarter Century of Change

During the past 25 years, the corundum market has been transformed from one of medium to high-priced gems to one that encompasses nearly all price ranges.

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