Cracking of Gem Opals

The value of gem opals is compromised by their potential susceptibility to “crazing”, a phenomenon observed either in the form of whitening or cracking. To understand the latter, 26 opal samples were investigated and separated into 2 groups based on handling: “water-stored” opal samples, which are s...

Full description

Bibliographic Details
Main Authors: Boris Chauviré, Valentin Mollé, Florine Guichard, Benjamin Rondeau, Paul Stephen Thomas, Emmanuel Fritsch
Format: Article
Language:English
Published: MDPI AG 2023-03-01
Series:Minerals
Subjects:
Online Access:https://www.mdpi.com/2075-163X/13/3/356