obsidian: References & Edit History

Article Contributors

Primary Contributors

  • The Editors of Encyclopaedia Britannica
    Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.

Other Encyclopedia Britannica Contributors

Article History

Type Description Contributor Date
Modified link of Web site: ACS Publication - Obsidian: A Pioneering Natural Resource for Green, Fire-Resistant Composite Material IndustriesArticle link copied! Sep 05, 2026
Add new Web site: Frontiers - Frontiers in Earth Science - Construction of obsidian during explosive-effusive eruptions: insights from microlite crystals in obsidian pyroclasts. Jul 23, 2026
Add new Web site: National Center for Biotechnology Information - PubMed Central - Obsidian as a Raw Material for Eco-Friendly Synthesis of Magnetic Zeolites. May 02, 2026
Add new Web site: University of California - eScholarship - Chemical and Structural Alterations in the Amorphous Structure of Obsidian due to Nanolites. Mar 21, 2026
Add new Web site: ACS Publication - Obsidian: A Pioneering Natural Resource for Green, Fire-Resistant Composite Material IndustriesArticle link copied! Jul 23, 2025
Questions and answers added. Feb 21, 2025
Add new Web site: University of Sunderland - SURE - Using obsidian in glass art practice (PDF). Dec 06, 2024
Add new Web site: CORE - Inclusions and the color of obsidian (PDF). Aug 12, 2024
Add new Web site: World History Encyclopedia - Obsidian in Mesoamerica. May 12, 2023
Add new Web site: International Gem Society - Obsidian Value, Price, and Jewelry Information. Feb 13, 2023
Add new Web site: Geology.com - Obsidian. Nov 19, 2022
Changed “primitive” to “early.” Nov 04, 2021
Corrected display issue. Mar 02, 2021
Add new Web site: Oregon State University - Volcano World - Obsidian. May 10, 2018
Mentioned obsidian's igneous rock nature. Dec 27, 2016
Added video. Dec 23, 2015
Added image of obsidian. Mar 07, 2012
Photograph depicting obsidian boulders added. Apr 04, 2011
Media added. Aug 14, 2008
Added new Web site: Amethyst Galleries - The Mineral Obsidian. Jun 04, 2008
Added new Web site: Amethyst Galleries' Mineral Gallery - The Mineral Obsidian. Jan 17, 2008
Added new Web site: USGS - Volcano Watch � Obsidian, a scarce commodity in Hawaiʻi. Jan 17, 2008
Article revised and updated. Dec 08, 2006
Article added to new online database. Jul 20, 1998
View Changes:
Article History
Revised:
By: