![This is Obsidian, a naturally occurring volcanic glass It forms when lava, rich in silica, cools so rapidly on contact with air or water, that atoms are unable to arrange themselves into This is Obsidian, a naturally occurring volcanic glass It forms when lava, rich in silica, cools so rapidly on contact with air or water, that atoms are unable to arrange themselves into](https://external-preview.redd.it/SbTAtxfbehxOttK3-9LaTTiN19g_myTvOeLjpFNa_9Q.png?format=pjpg&auto=webp&s=04be433f2d7384e73efd620fdc37970c2f979c36)
This is Obsidian, a naturally occurring volcanic glass It forms when lava, rich in silica, cools so rapidly on contact with air or water, that atoms are unable to arrange themselves into
![Obsidian: a naturally occurring volcanic glass formed as an extrusive igneous rock, from Vesuvius volcano, isolated on a white background, Naples, Italy Stock Photo | Adobe Stock Obsidian: a naturally occurring volcanic glass formed as an extrusive igneous rock, from Vesuvius volcano, isolated on a white background, Naples, Italy Stock Photo | Adobe Stock](https://as1.ftcdn.net/v2/jpg/02/37/21/26/1000_F_237212663_pAO12vka7S4e2Xxw4DvE1WODTVsIvBza.jpg)
Obsidian: a naturally occurring volcanic glass formed as an extrusive igneous rock, from Vesuvius volcano, isolated on a white background, Naples, Italy Stock Photo | Adobe Stock
![Obsidian Volcanic Rock from United States Held in a Hand Stock Image - Image of gemstone, quartz: 188447795 Obsidian Volcanic Rock from United States Held in a Hand Stock Image - Image of gemstone, quartz: 188447795](https://thumbs.dreamstime.com/z/obsidian-volcanic-rock-united-states-held-hand-naturally-occurring-glass-formed-as-extrusive-igneous-produced-188447795.jpg)
Obsidian Volcanic Rock from United States Held in a Hand Stock Image - Image of gemstone, quartz: 188447795
![Holding a piece of Obsidian in the hand. Obsidianis a naturally occurring volcanic glass formed as an extrusive igneous rock. March, Netherlands Stock Photo - Alamy Holding a piece of Obsidian in the hand. Obsidianis a naturally occurring volcanic glass formed as an extrusive igneous rock. March, Netherlands Stock Photo - Alamy](https://l450v.alamy.com/450v/2f6hbap/holding-a-piece-of-obsidian-in-the-hand-obsidianis-a-naturally-occurring-volcanic-glass-formed-as-an-extrusive-igneous-rock-march-netherlands-2f6hbap.jpg)
Holding a piece of Obsidian in the hand. Obsidianis a naturally occurring volcanic glass formed as an extrusive igneous rock. March, Netherlands Stock Photo - Alamy
![Obsidian Volcanic Rock from United States Held in a Hand Stock Image - Image of gemstone, quartz: 188447795 Obsidian Volcanic Rock from United States Held in a Hand Stock Image - Image of gemstone, quartz: 188447795](https://thumbs.dreamstime.com/b/obsidian-volcanic-rock-united-states-held-hand-naturally-occurring-glass-formed-as-extrusive-igneous-produced-188447795.jpg)
Obsidian Volcanic Rock from United States Held in a Hand Stock Image - Image of gemstone, quartz: 188447795
![Obsidean, naturally occurring volcanic glass. The Myans used it to cut rock as they had no metal - Picture of Azul Beach Resort Riviera Cancun, Puerto Morelos - Tripadvisor Obsidean, naturally occurring volcanic glass. The Myans used it to cut rock as they had no metal - Picture of Azul Beach Resort Riviera Cancun, Puerto Morelos - Tripadvisor](https://media-cdn.tripadvisor.com/media/photo-s/0e/a0/a8/6e/obsidean-naturally-occurring.jpg)
Obsidean, naturally occurring volcanic glass. The Myans used it to cut rock as they had no metal - Picture of Azul Beach Resort Riviera Cancun, Puerto Morelos - Tripadvisor
![Obsidian natural volcanic glass - Rocks and Mineral Specimens for Sale | Diseños en mosaico, Cristales, Disenos de unas Obsidian natural volcanic glass - Rocks and Mineral Specimens for Sale | Diseños en mosaico, Cristales, Disenos de unas](https://i.pinimg.com/736x/00/be/30/00be30a09a2d0f4c229a676bfac7a9d2.jpg)
Obsidian natural volcanic glass - Rocks and Mineral Specimens for Sale | Diseños en mosaico, Cristales, Disenos de unas
BIOEFFECT - Obsidian is a beautiful naturally occurring volcanic glass found in Iceland that has a beautiful iridescent sheen. This was a great inspiration for SHOPLIFTER / Hrafnhildur Arnardóttir in designing the
Space Agency on Instagram: "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
New Zealand: History & Natural History - OBSIDIAN is a naturally occurring volcanic glass formed as an extrusive igneous rock. Obsidian is produced when felsic lava extruded from a volcano cools rapidly
![Obsidian Is A Naturally Occurring Volcanic Glass Formed As An Extrusive Igneous Rock. Stock Photo, Picture and Royalty Free Image. Image 28052356. Obsidian Is A Naturally Occurring Volcanic Glass Formed As An Extrusive Igneous Rock. Stock Photo, Picture and Royalty Free Image. Image 28052356.](https://previews.123rf.com/images/melastmohican/melastmohican1405/melastmohican140500158/28052356-obsidian-is-a-naturally-occurring-volcanic-glass-formed-as-an-extrusive-igneous-rock.jpg)