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Sapphire
The name “sapphire” can also apply to any corundum that’s not ruby red, another corundum variety.
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Star of David Pattern in Vietnamese Sapphire
A Star of David pattern is observed within partially healed fissures in a sapphire from southern Vietnam.
Graphite in Sapphire
A three-phase fluid inclusion containing graphite is observed in a Sri Lakan sapphire.
Sapphire Displaying Tire Tracks in Snow
Particle clouds close to the surface of a blue sapphire create a scene reminiscent of tire tracks in snow.
A Horse-Shaped Inclusion in Pink Sapphire from Mozambique
Microscopic examination of a Mozambican pink sapphire reveals an inclusion with a surprising shape and composition.
Induced Fingerprints
Sapphire Rush Near Ambatondrazaka, Madagascar
A newly found deposit of sapphire in Madagascar is explored.
Punsiri Heat Treatment on Basalt-Related Blue Sapphire
Immersion reveals the heat treatment of a basalt-related blue sapphire.
Drill Hole in Heated Pink Sapphire
An unexpected manmade feature is found in a pink sapphire from Myanmar.
Volcano-Shaped Internal Feature in Trapiche-Like Sapphire
Thin-film inclusions and triangle-shaped fissures are discovered in the fibrous arms of trapiche-like sapphire samples.
Curved Tubes in Blue Sapphire
Curved linear inclusions, unusual in corundum, are found in sapphire acquired in Vietnam.
FTIR Identification of Carbon Dioxide Fluids in Sapphire
FTIR spectroscopy shows that the existence of carbon dioxide gas bubbles in a negative crystal in sapphire is no longer proof of the absence of heat treatment.
Jewelry Television in Tucson
A look at JTV’s history, current activities, and impact on the industry.
