Works matching DE "GEMOLOGICAL Institute of America"

Results: 203

Shine bright like a diamond: a hedonic model of grading and pricing an experience good.

Published in:

Applied Economics, 2014, v. 46, n. 16, p. 1829, doi. 10.1080/00036846.2014.884707

By:

Lee, Justin A.;
Caudill, Steven B.;
Mixon, Franklin G.

Publication type:

Article

Crowningshieldite: A new mineral.

Published in:: Gems & Gemology, 2018, v. 54, n. 4, p. 469
Publication type:: Article

Zircon Cluster in Ethiopian Sapphire.

Published in:

Gems & Gemology, 2018, v. 54, n. 4, p. 450

By:

Khowpong, Charuwan

Publication type:

Article

Cat's-Eye Brazilian Paraíba TOURMALINE.

Published in:

Gems & Gemology, 2018, v. 54, n. 4, p. 438

By:

Weeramongkhonlert, Vararut

Publication type:

Article

An Irradiated CVD Synthetic Melee Diamond Found in Irradiated Natural Melee Diamonds.

Published in:

Gems & Gemology, 2018, v. 54, n. 4, p. 436

By:

Shoko Odake

Publication type:

Article

Large Pargasite Inclusion in Kashmir SAPPHIRE.

Published in:

Gems & Gemology, 2018, v. 54, n. 4, p. 435

By:

Muyal, Jonathan

Publication type:

Article

Education as a Tool for Development in East African Gem-Mining Regions.

Published in:

2018

By:

Wambua, Marvin;
Massay, Norbert;
Weldon, Robert;
Padua, Pedro;
Dirlam, Dona M.

Publication type:

Abstract

3D Reconstruction of the Internal Structures of Pearls.

Published in:

Gems & Gemology, 2018, v. 54, n. 3, p. 294

By:

Emiko Yazawa;
Chunhui Zhou

Publication type:

Article

Evidence of Subducted Altered Oceanic Crust into Deep Mantle From Inclusions of Type IaB Diamonds.

Published in:

Gems & Gemology, 2018, v. 54, n. 3, p. 306

By:

Tingting Gu;
Valley, John;
Kitajima, Kouki;
Spicuzza, Michael;
Fournelle, John;
Stern, Richard;
Hiroaki Ohfuji;
Wuyi Wang

Publication type:

Article

Melee Diamonds: Metal Defects and Treated Color.

Published in:

Gems & Gemology, 2018, v. 54, n. 3, p. 304

By:

Shoko Odake

Publication type:

Article

Pearl Identification Challenge.

Published in:

Gems & Gemology, 2018, v. 54, n. 3, p. 301

By:

Sturman, Nicholas;
Otter, Laura M.;
Homkrajae, Artitaya;
Manustrong, Areeya;
Nilpetploy, Nanthaporn;
Lawanwong, Kwanreun;
Kessrapong, Promlikit;
Jochum, Klaus Peter;
Stoll, Brigitte;
Götz, Herman;
Jacob, Dorrit E.

Publication type:

Article

Pearl Classification: GIA's Approach.

Published in:

Gems & Gemology, 2018, v. 54, n. 3, p. 300

By:

Joyce Wing Yan Ho;
Chan Shih, D. Sally

Publication type:

Article

Atypical "Bead"-Cultured Pinctada Maxima Pearls Nucleated with Freshwater Non-Bead-Cultured Pearls.

Published in:

Gems & Gemology, 2018, v. 54, n. 3, p. 294

By:

Promlikit Kessrapong;
Kwanreun Lawanwong

Publication type:

Article

Closing the Knowledge Gap Across the Supply Chain: A Case Study of GIA and Pact's Field Collaboration in Tanzania.

Published in:

Gems & Gemology, 2018, v. 54, n. 3, p. 284

By:

Villegas, Cristina

Publication type:

Article

GIA's Field Gemology Program: A Modern Approach to Origin Determination.

Published in:

Gems & Gemology, 2018, v. 54, n. 3, p. 283

By:

Wim Vertriest

Publication type:

Article

GIA's 2018 Symposium: Up and Away!

Published in:

Gems & Gemology, 2018, v. 54, n. 3, p. 255

By:

Jacques, Susan M.

Publication type:

Article

Lizard Skin on Deformed DIAMOND.

Published in:

Gems & Gemology, 2017, v. 53, n. 4, p. 460

By:

Smith, Evan M.;
Johnson, Paul

Publication type:

Article

Cat's-Eye ALEXANDRITE with Unique Inclusion Pattern.

Published in:

Gems & Gemology, 2017, v. 53, n. 4, p. 459

By:

Makoto Miura;
Yusuke Katsurada

Publication type:

Article

"Sango pearl" from Japan.

Published in:

Gems & Gemology, 2017, v. 53, n. 2, p. 251

By:

Saruwatari, Kazuko

Publication type:

Article

Raspberry-red garnet with black core.

Published in:

Gems & Gemology, 2017, v. 53, n. 2, p. 250

By:

Ziyin Sun;
Renfro, Nathan D.

Publication type:

Article

Tektite with a large fluid inclusion.

Published in:

Gems & Gemology, 2017, v. 53, n. 2, p. 254

By:

Vertriest, Wim;
Weeramonkhonlert, Vararut;
Lawanwong, Kwanreun

Publication type:

Article

CVD Synthetic Diamond Overgrowth on a Natural Diamond.

Published in:

Gems & Gemology, 2017, v. 53, n. 2, p. 237

By:

Moe, Kyaw Soe;
Paul Johnson;
D'Haenens-Johansson, Ulrika;
Wuyi Wang

Publication type:

Article

Christmas Tree-Shaped Internal Feature In Diamond.

Published in:

Gems & Gemology, 2017, v. 53, n. 2, p. 242

By:

Muyal, Jonathan;
Ardon, Troy

Publication type:

Article

HPHT SYNTHETIC DIAMOND Melee Found in Mounted Jewelry.

Published in:

2017

By:

Poon, Terry;
Wuyi Wang

Publication type:

Product Review

Melee Diamond Parcel Containing Nearly One-Third CVD Synthetics.

Published in:

Gems & Gemology, 2017, v. 53, n. 2, p. 236

By:

Bhoir, Manisha;
Dhawale, Priyanka;
D'Haenens-Johansson, Ulrika

Publication type:

Article

CVD SYNTHETIC DIAMOND Mimicking Natural Stone.

Published in:

Gems & Gemology, 2017, v. 53, n. 2, p. 235

By:

Law, Billie

Publication type:

Article

Punsiri Heat Treatment on Basalt-Related Blue SAPPHIRE.

Published in:

Gems & Gemology, 2017, v. 53, n. 2, p. 234

By:

Saeseaw, Sudarat

Publication type:

Article

Partially Hollow Tridacna Blister Pearls with Shells Attached.

Published in:

Gems & Gemology, 2017, v. 53, n. 2, p. 231

By:

Somsa-ard, Nanthaporn;
Manustrong, Areeya;
Yan Ho, Joyce Wing

Publication type:

Article

Natural Conch "Rosebud" PEARLS.

Published in:

Gems & Gemology, 2017, v. 53, n. 2, p. 230

By:

Yan Ho, Joyce Wing;
Emiko Yazawa

Publication type:

Article

Atypical BEAD-CULTURED PEARLS With Unusual Nacre Growth.

Published in:

Gems & Gemology, 2017, v. 53, n. 2, p. 233

By:

Chunhui Zhou;
Emiko Yazawa

Publication type:

Article

DIAMOND With Concentric Inclusions.

Published in:

Gems & Gemology, 2017, v. 53, n. 2, p. 228

By:

Smith, Evan M.;
Wuyi Wang

Publication type:

Article

Pyrope-spessartine color-change garnet with a high grossular component.

Published in:

Gems & Gemology, 2017, v. 53, n. 1, p. 137

By:

Ziyin Sun;
Muyal, Jonathan;
Palke, Aaron C.

Publication type:

Article

A new discovery of emeralds from Ethiopia.

Published in:

Gems & Gemology, 2017, v. 53, n. 1, p. 114

By:

Renfro, Nathan;
Ziyin Sun;
Nemeth, Michael;
Vertriest, Wim;
Raynaud, Victoria;
Weeramonkhonlert, Vararut

Publication type:

Article

Quarterly Crystal: Mystery in Topaz.

Published in:

Gems & Gemology, 2017, v. 53, n. 1, p. 108

By:

Koivula, John I.

Publication type:

Article

HPHT Synthetic Diamond Melee Without Si or Ni Defects.

Published in:

Gems & Gemology, 2017, v. 53, n. 1, p. 95

By:

Siritheerakul, Piradee;
Wuyi Wang

Publication type:

Article

TOURMALINE: Paraíba Tourmaline with Unusual Coating.

Published in:

Gems & Gemology, 2017, v. 53, n. 1, p. 99

By:

Kazuko Saruwatari;
York, Philip G.

Publication type:

Article

Multi-Elemental Diffused and Melt-Grown SYNTHETIC SAPPHIRE.

Published in:

Gems & Gemology, 2017, v. 53, n. 1, p. 98

By:

Ziyin Sun;
Muyal, Jonathan;
Ahline, Nicole

Publication type:

Article

HPHT Synthetic Diamond with Intense Green Color.

Published in:

Gems & Gemology, 2017, v. 53, n. 1, p. 96

By:

Johnson, Paul;
Myagkaya, Elina

Publication type:

Article

RUBELLITE with Incredibly Strong "Pink Sleeves".

Published in:

Gems & Gemology, 2017, v. 53, n. 1, p. 101

By:

Xiaodan Jia;
Mei Mei Sit

Publication type:

Article

First Observation of H4 Defect in CVD SYNTHETIC DIAMOND.

Published in:

Gems & Gemology, 2017, v. 53, n. 1, p. 94

By:

Ardon, Troy;
Breeding, Christopher M.

Publication type:

Article

Three Faceted: COLLECTOR SPECIMENS.

Published in:

Gems & Gemology, 2017, v. 53, n. 1, p. 90

By:

Muyal, Jonathan;
Ahline, Nicole

Publication type:

Article

Pink SAPPHIRE Filled with Bismuth-Based Glass.

Published in:

Gems & Gemology, 2017, v. 53, n. 1, p. 94

By:

Suthiyuth, Ratima

Publication type:

Article

Cape DIAMOND with Yellow Phosphorescence.

Published in:

Gems & Gemology, 2017, v. 53, n. 1, p. 92

By:

Kyaw Soe Moe;
Neal, Jon;
Johnson, Paul

Publication type:

Article

Unusual Dark Orangy Red: CORDIERITE.

Published in:

Gems & Gemology, 2017, v. 53, n. 1, p. 91

By:

Castillo, Augusto;
Sehgal, Akhil

Publication type:

Article

TURQUOISE with Simulated Matrix.

Published in:

Gems & Gemology, 2016, v. 52, n. 4, p. 420

By:

Tsang, Rebecca

Publication type:

Article

Ferropericlase Inclusion in Diamond.

Published in:

Gems & Gemology, 2016, v. 52, n. 4, p. 423

By:

Smith, Evan M.;
Kyaw Soe Moe

Publication type:

Article

Laminated TORTOISESHELL Scepter.

Published in:

Gems & Gemology, 2016, v. 52, n. 4, p. 419

By:

Xiaodan Jia;
Mei Mei Sit

Publication type:

Article

SYNTHETIC SAPPHIRE and SYNTHETIC SPINEL Doublets.

Published in:

Gems & Gemology, 2016, v. 52, n. 4, p. 418

By:

Anjomani, Najmeh

Publication type:

Article

HPHT-Grown Synthetic with Strain.

Published in:

Gems & Gemology, 2016, v. 52, n. 4, p. 417

By:

Ardon, Troy;
Batin, Ronny

Publication type:

Article

Blue HPHT Synthetic Diamond Over 10 Carats.

Published in:

Gems & Gemology, 2016, v. 52, n. 4, p. 416

By:

Poon, Terry "Ping Yu";
Wuyi Wang

Publication type:

Article