Article Search Results

Show Filters
Showing 3 results for "*"

Types

Articles (3)

Content Type

Abstract (3)

Reviewed

Topics

Colour (3)

Gemstones

Diamond (1) Diamond - Fancy ColoUr (1) Pearl (1) Ruby (1) Sapphire (1)
XClear Selections
A New Defect Centre in Type Ib Diamond Inducing One Phonon Infrared Absorption: The Y Centre

T. Hainschwang [thomas.hainschwang@ggtl-lab.org], E. Fritsch, F. Notari, and B. Rondeau, Diamond and Related Materials, Vol. 21, 2012, pp. 120–126, http://dx.doi.org/10.1016/j.diamond.2011.11.002.

This paper describes the discovery of a new defect centre in natural and synthetic type Ib diamonds, named the Y centre.

Read More
Abstracts; Spring 2009

Brendan M. Laurs, Thomas W. Overton

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

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

Brendan M. Laurs, Thomas W. Overton

This article, from the Autumn 2009 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