Precious Braswell 11/15/24 Precious Braswell 11/15/24

Arzakite inclusion in Ruby from Mogok

Precious Braswell 12/31/20 Precious Braswell 12/31/20

Evolution of Gem-Testing Labs

Precious Braswell 12/31/20 Precious Braswell 12/31/20

Vesuvianite (Idocrase) and Apatite Inclusions in Ruby Identifiable by Infrared Spectroscopy

Precious Braswell 11/1/20 Precious Braswell 11/1/20

An Unusual Synthetic Fancy Sapphire Colored by Co2+ and Co3+

Precious Braswell 1/1/20 Precious Braswell 1/1/20

ColorCodex™ - A New Tool for the Gemstone and Jewelry Industry

Precious Braswell 1/1/20 Precious Braswell 1/1/20

Titanite (Sphene) Inclusions in Ruby Identified by Infrared Spectroscopy

Precious Braswell 12/1/19 Precious Braswell 12/1/19

Heated Sapphires With Unstable Color Centers

Precious Braswell 8/1/19 Precious Braswell 8/1/19

Pyrite and Chromite Inclusion Assemblage in Emerald

Precious Braswell 7/1/19 Precious Braswell 7/1/19

Eulytine Inclusions in a Manufactured Glass: A Rare Encounter

Precious Braswell 5/1/19 Precious Braswell 5/1/19

Identifying Synthetic Periclase

Precious Braswell 5/1/19 Precious Braswell 5/1/19

ColorCodex™ Update

Precious Braswell 12/1/18 Precious Braswell 12/1/18

Two Large Rubies from the Pamir Mountains, Tajikistan

Precious Braswell 12/1/18 Precious Braswell 12/1/18

Native Copper Inclusions in a Cu-bearing Tourmaline

Precious Braswell 4/1/18 Precious Braswell 4/1/18

Sri Lankan Sapphire with Spinel Inclusions

Precious Braswell 5/1/17 Precious Braswell 5/1/17

Yellow Danburite from Namalulu, Tanzania: Gemmological Properties and Chemical Composition

Precious Braswell 5/1/17 Precious Braswell 5/1/17

Yellow Danburite from Namalulu, Tanzania, and Myanmar: Origin of Colour and Its Stability

Precious Braswell 1/1/17 Precious Braswell 1/1/17

The ColorCodex™ - An innovative approach for establishing the color of gemstones

Precious Braswell 12/1/16 Precious Braswell 12/1/16

Faceted Anatase from Pakistan

Precious Braswell 12/1/16 Precious Braswell 12/1/16

Scapolite From Tanzania with Magnetite Inclusions

Precious Braswell 12/1/16 Precious Braswell 12/1/16

Cat's-eye Diaspore from Turkey