Research Article Search Results

Gold Granulation by Zaffiro
One-of-a-kind gold granulation jewelry by Zaffiro was featured in the AGTA designer showroom.

Ukrainian Pegmatitic Heliodor and Topaz
Topaz and beryl from the Volyn deposit in Ukraine were popular offerings at this year’s Tucson shows.

Out of Our Mines
An impressive variety of American stones, including turquoise and variscite, was offered by Out of Our Mines at the AGTA show.

Unique Sphalerite from Spain
A one-of-a-kind sphalerite is faceted to highlight its distinct regions of iron distribution.

Quarterly Crystal: Diamond in Diamond
Examination of a South African diamond reveals an eye-visible diamond inclusion.

Thirty Years Later: “The Royal Tapestry” Revisited
Members of the Piat family gather at the Alfie Norville Gem & Mineral Museum in Tucson to see “The Royal Tapestry” for the first time.
The Appeal of Non-Nacreous Pearls
Several vendors offered a variety of impressive non-nacreous pearls at the Tucson gem shows.

Brazilian Watermelon Tourmaline with Iris Effect
A pair of watermelon tourmaline slices from the Cruzeiro mine displays a rainbow of colors.

Rainbow Rays in Rainbow Lattice Sunstone
Colorful rays of light are observed in an Australian rainbow lattice sunstone.

Patania Jewelry
A look at the diverse jewelry designs from four generations of the Patania family.

Exceptionally Rare Titanoholtite
A stone submitted as dumortierite is identified as rare titanoholtite in the Carlsbad laboratory.

Precious Opal from Pedro II, Brazil
A look at the variety of rough and finished Brazilian opal offered by Prime Gems at the GJX show.




