Article Search Results

Show Filters
Showing 8 results for "*"

Types

Articles (8)

Content Type

Lab Notes (1) Abstract (3) Feature (1)

Reviewed

Topics

See All Topics

Topics

Inclusions (8)
Gemmology (6)
Localities (6)
Mining (6)
Synthetics (6)
Treatment process (6)
Identification (4)
Instrumentation (4)
Mineralogy (4)
Physical properties (4)
History (3)
Jewellery (3)
Manufacturing (3)
Optical Properties (3)
Precious Metals (3)
Synthesis Process (3)
Technology (3)
Trade (3)
Colour (2)
Education (2)
Optical effects (2)
Organics (2)
Techniques (2)
Assembled Stone (1)
Chemical Composition (1)
Clarity (1)
Crystal structure (1)
Design (1)
Enhancement (1)
Faceting (1)
Fashion (1)
Formation (1)
Geology (1)
Imitations (1)
Material properties (1)
Metals (1)
Quality Factors (1)

Gemstones

Pearl (8)
XClear Selections
Three pieces of labradorite with yellow, blue and green flashes of color.
Article
Optical Effects of Phenomenal Cabochons

Sharon Bohannon, November 11, 2016

Learn how the structure, inclusions and properties of some gemstones interact with light to create unusual visual effects.

Read More
G&G Brief presents an overview of the content of the Fall 2015 issue of Gems & Gemology.
Article
Autumn 2015 G&G: Trapiche Emeralds, Synthetic Diamonds and a Large Diamond Source

Russell Shor, November 4, 2015

G&G Brief presents an overview of the content of the Autumn 2015 issue of Gems & Gemology.

Read More
Fall 2016 Gems & Gemology Cover
Article
Autumn 2016 G&G: CVD Synthetic Diamonds Survey, Reversible Colour Change in Blue Zircon

Jennifer-Lynn Archuleta, October 31, 2016

A summary of the content found in the Autumn 2016 issue of Gems & Gemology.

Read More
Summer G&G 2015
Article
Summer 2015 G&G: Dual-Stars, Photomicrography Guide, Rubies from Tajikistan, New Micro-World Section

Russell Shor, August 14, 2015

G&G Brief presents an overview of the content of the Summer 2015 issue of Gems & Gemology.

Read More
Confusing, Triangular Inclusions in an Art Deco-Style Pin
Spring 1991 G&G Lab Notes

, March 1, 1991

This section, from the Spring 1991 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.

Read More
Abstract Header from the 2009 issue of Gems & Gemology
Abstracts; Winter 2009

Brendan M. Laurs, Thomas W. Overton

This article, from the Winter 2009 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.

Read More
Abstracts; Winter 1991

Dona M. Dirlam

This article, from the Winter 1991 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.

Read More
Abstracts; Autumn 1991

Dona M. Dirlam

This article, from the Autumn 1991 issue of Gems & Gemology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemology.

Read More

Resources For Retailers
Find a Retailer
learn more
Shop the Campus Store
Visit the campus shop
Learn More
Abstract art with a fluorescent rainbow and dark brown triangle patterns
Subscribe to Knowledge Rocks Emails
Learn More
The internal structures of natural pearls from the marine mollusk Pinctada maxima are the subject of the lead article in this issue. The scattered loose pearls on the cover are from Paspaley’s natural pearl collection, which includes one discovered in the 1970s at the Eighty Mile Beach fishing grounds
G&G Spring 2021 Edition
Learn more

By closing this banner or using this site you agree to our revised Privacy Notice, Terms of Service and Cookie Policy.