Pressed Amber Imitation for “Root Amber”
An examination of a beaded bracelet reveals calcite powder to enhance the imitation of natural root amber.
The Year of Mineralogy at the Perot Museum
The Perot Museum of Nature and Science promotes public interest in mineral studies with The Year of Mineralogy exhibit.
In Memoriam: Andrew Cody
Hidden Gems at the San Diego Natural History Museum
Each level of the vertical Hidden Gems exhibit offers a different theme at the San Diego Natural History Museum.
Gemological Characteristics of Low-Temperature “Gel-Filled” Turquoise
Update from Mozambique’s Ruby Mines
A field gemology team from GIA provides an update on the ruby mining operations around Montepuez.
Synthetic Sapphire with Rose Channels
Rose channels and twinning planes are observed in light purplish blue synthetic corundum.
Inaugural Turquoise United Conference
A report on the first-ever Turquoise United conference in Albuquerque, New Mexico.
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