Article Search Results

Show Filters
Showing 218 results for "*"
13 ct emerald from Belmont mine’s underground tunnel
Fortieth Anniversary of the Belmont Mine

Marcelo Ribeiro offers an update on mining and cutting activities at the Belmont emerald mine in Brazil.

Read More

Flora and fauna brooches by Paula Crevoshay
Preview of Nature Art Science with Paula Crevoshay

Renowned designer Paula Crevoshay discusses artistic influences and her latest creations.

Read More

Colored stone pendants designed by Erica Courtney
Designs from Erica Courtney

Award-winning jewelry designer Erica Courtney presents four of her creations.

Read More

Large sunstone rough from the Ponderosa mine in Oregon
Ponderosa Sunstone Update

John Woodmark provides an update on the Ponderosa sunstone mine in Oregon.

Read More

Russian demantoids with pure color and horsetail inclusions
Update on Russian Demantoid Production

Alexey Burlakov shares insights on the current production of Russian demantoid and emeralds.

Read More

Namibian demantoid from the Green Dragon mine, preserved in host rock
Update on the Green Dragon Demantoid Mine in Namibia

Stephan Reif explains the mine-to-market approach at the largest continuously operating demantoid deposit.

Read More

Red beryl from Utah found on the secondary market
Finds from the Secondary Market

Dave Bindra shows some noteworthy pieces he obtained on the secondary market and shares his thoughts on the state of the colored stones market.

Read More

Demand was brisk at the 2018 AGTA show in Tucson.
Tucson 2018 Overview

An overview of the 2018 Tucson gem shows.

Read More

Rough and faceted natural-color green diamonds.
Natural-Color Green Diamonds: A Beautiful Conundrum

Characterizes diamonds with exceptionally rare natural green color, based on GIA’s extensive database of samples.

Read More

Rainbow hematite from Brazil’s Andrade mine.
Iridescence in Metamorphic “Rainbow” Hematite

Analyzes the substructures that cause the intense iridescence observed in “rainbow” hematite from Minas Gerais, Brazil.

Read More