Obsidian is a naturally occurring volcanic glass formed when lava extruded from a volcano cools rapidly with minimal crystal growth. It is an igneous rock. Obsidian is produced from felsic lava, rich in the lighter elements such as silicon, oxygen, aluminium, sodium, and potassium. It is commonly found within the margins of rhyolitic lava flows known as obsidian flows. These flows have a high content of silica, giving them a high viscosity. The high viscosity inhibits diffusion of atoms through
0:13
Obsidian is a naturally occurring volcanic glass formed when lava e…
7.8K viewsOct 24, 2021
FacebookGeoscience Network
BIG OBSIDIAN FLOW of Newberry Volcano, Oregon: Geologic Insights
14:30
BIG OBSIDIAN FLOW of Newberry Volcano, Oregon: Geologic Insights
123.3K viewsOct 4, 2023
YouTubeShawn Willsey: Geology Explained
Volcanic obsidian lava flows for a year
2:31
Volcanic obsidian lava flows for a year
Nov 7, 2013
BBCVictoria Gill
The Obsidian Volcanic Eruption: Why This Lava Turns to Glass | Earth Science Documentary
0:57
The Obsidian Volcanic Eruption: Why This Lava Turns to Glass | Ea…
29 views2 months ago
YouTubeSeismic Stories
Melting Lava Rock Into Obsidian
1:34
Melting Lava Rock Into Obsidian
83.6K viewsJun 16, 2016
YouTubeLET'S MELT THIS
Big Obsidian Flow
26:07
Big Obsidian Flow
242.6K viewsAug 16, 2021
YouTubeNick Zentner
Obsidian; A Form of Natural Volcanic Glass
0:50
Obsidian; A Form of Natural Volcanic Glass
62.1K viewsAug 15, 2023
YouTubeGeologyHub
8:16
How Obsidian Is Made in Seconds After a Volcanic Eruption
15.1K views7 months ago
YouTubeHistory of Simple Things
Obsidian geology: nature's black glass
Jan 10, 2024
zmescience.com
4:12
The Volcano Which Erupted Solid Obsidian Lava; Puyehue Cordón C…
75.4K viewsMay 28, 2022
YouTubeGeologyHub
2:23
Obsidian WhatI It Is And How It Forms - An Explanation By Christi…
24.4K viewsAug 17, 2014
YouTubeJohn Cepelak
4:13
HOW OBSIDIAN FORMS 📚
5.7K viewsMar 30, 2024
YouTubeSALT SHACK - EDUCATION
3:07
What is obsidian or volcanic glass and how is it formed?
3.1K viewsMay 23, 2018
YouTubem j murcott
20:59
Why Are There Volcanoes And Obsidian At California's Salton Sea?
247.1K viewsJan 31, 2024
YouTubeShawn Willsey: Geology Explained
0:56
Brief Geology on Black Obsidian
69.7K viewsMar 21, 2022
YouTubeNew Moon Beginnings
1:17
Check out this rare volcanic obsidian from my secret spot. #ro…
4.8K views3 months ago
YouTubePebble Rebels
2:55
Volcano Glass / Obsidian Stone, Uses, Benefits, Characteristics & …
3.4K viewsMar 28, 2019
YouTubeRaja A Rehman Official
6:59
how to make lava/obsidian
235.1K viewsOct 26, 2014
YouTubeIronclad Industries
1:44
Ask-a-Geologist #8: What is the rock obsidian used for?
11.3K viewsJan 29, 2014
YouTubeMini Me Geology with Tracy Diane
8:37
Yellowstone's Obsidian Cliff: its amazing geologic story
73.1K viewsOct 5, 2022
YouTubeShawn Willsey: Geology Explained
14:23
Turning Volcanic Rock into an Obsidian Blade that's Sharper tha…
2M viewsApr 2, 2018
YouTubeHow To Make Everything
Black Obsidian - The Obsidian of Inner Power
156.8K viewsMar 14, 2016
YouTubeAdam Barralet
3:49
All about Obsidian rocks
89.8K viewsFeb 10, 2022
YouTubeNoNa TV
0:23
25K views · 745 reactions | Obsidian is a natural volcanic glass formed …
25.2K views2 weeks ago
FacebookAlien UFO Sightings
0:14
Inside an Obsidian rock
5.6K views3 months ago
YouTubeMathonymics
2:40
Obsidian - volcanic glass
15.8K viewsSep 8, 2010
YouTubeanembocrystals
2:59
Rainbow Obsidian
20.1K viewsFeb 26, 2019
YouTubeRocks for the Spirit
How To Polish Obsidian By Hand
Oct 17, 2020
rockseeker.com
4:40
🌋 Obsidian: Lava ➡️ Glass | Metaphysical Benefits, History an…
6.7K viewsOct 15, 2021
YouTubeFire Mountain Gems and Beads
0:06
Volcano Hybrid whip with Obsidian, by Magma Industries
26.6K viewsOct 24, 2019
YouTubeMagma Industries
See more videos
Static thumbnail place holder