Rock Identifier

Category

Igneous Rock (Volcanic Glass)

Browse igneous rock (volcanic glass) specimens identified by the Rock Identifier community.

Learn about Igneous Rock (Volcanic Glass) in the encyclopedia

Rock Gypsum

Coral Rock

Asphalt Rock

Rock Salt

Calc-Silicate Rock

Calc-Silicate Rock

Talc-carbonate Rock

Talc-carbonate Rock

Black Obsidian

Obsidian

Pink Obsidian

Sideromelane

Carbonatite

Tachylite

Pumice (Pumice (Amorphous volcanic glass)) — Igneous

Pumice

Pumice (Amorphous volcanic glass)

Obsidian (Obsidian (Volcanic Glass)) — igneous

Obsidian

Obsidian (Volcanic Glass)

Pumice (Pumice (volcanic glass foam)) — igneous

Pumice

Pumice (volcanic glass foam)

Black Obsidian (Volcanic Glass (felsic)) — igneous

Black Obsidian

Volcanic Glass (felsic)

Pumice (Vesicular volcanic glass) — igneous

Pumice

Vesicular volcanic glass

Eroded Brick or Pumice-like Scoria (Vesicular Basalt / Scoria (Anthropogenic variant: Eroded Firebrick)) — igneous

Eroded Brick or Pumice-like Scoria

Vesicular Basalt / Scoria (Anthropogenic variant: Eroded Firebrick)

Obsidian (Volcanic Glass (Amorphous SiO2)) — igneous

Obsidian

Volcanic Glass (Amorphous SiO2)

Obsidian (Volcanic Glass (Amorphous SiO2)) — igneous

Obsidian

Volcanic Glass (Amorphous SiO2)

Pumice (Pumice (a highly vesicular extrusive volcanic rock)) — igneous

Pumice

Pumice (a highly vesicular extrusive volcanic rock)

Pumice (Pumice (Vitreous pyroclastic rock)) — igneous

Pumice

Pumice (Vitreous pyroclastic rock)

Obsidian (Volcanic Glass (Amorphous SiO2)) — igneous

Obsidian

Volcanic Glass (Amorphous SiO2)

Obsidian (Volcanic Glass (SiO2 with impurities)) — igneous

Obsidian

Volcanic Glass (SiO2 with impurities)

Obsidian (Obsidian (Volcanic Glass)) — igneous

Obsidian

Obsidian (Volcanic Glass)

Pumice (Pumice (Amorphous volcanic glass)) — igneous

Pumice

Pumice (Amorphous volcanic glass)

Basalt (Extrusive Igneous Rock) — igneous

Basalt

Extrusive Igneous Rock

Basalt (Extrusive Igneous Rock) — igneous

Basalt

Extrusive Igneous Rock

Basalt (Basalt (Extrusive volcanic rock)) — igneous

Basalt

Basalt (Extrusive volcanic rock)

Snowflake Obsidian (Volcanic Glass (spherulitic obsidian)) — igneous

Snowflake Obsidian

Volcanic Glass (spherulitic obsidian)

Obsidian (Volcanic Glass (Amorphous silicon dioxide with impurities)) — igneous

Obsidian

Volcanic Glass (Amorphous silicon dioxide with impurities)

Basalt (Extrusive igneous rock primarily composed of plagioclase feldspar and pyroxene) — igneous

Basalt

Extrusive igneous rock primarily composed of plagioclase feldspar and pyroxene

Black Obsidian (Volcanic glass (Amorphous silicates)) — igneous

Black Obsidian

Volcanic glass (Amorphous silicates)

Obsidian (Volcanic Glass (Amorphous Silicon Dioxide)) — igneous

Obsidian

Volcanic Glass (Amorphous Silicon Dioxide)

Basalt (Basalt (Aphanitic Igneous Rock)) — igneous

Basalt

Basalt (Aphanitic Igneous Rock)

Pumice (Pumice (volcanic glass)) — igneous

Pumice

Pumice (volcanic glass)

Pumice (Pumice (volcanic glass)) — igneous

Pumice

Pumice (volcanic glass)

Pumice (Pumicite (Amorphous volcanic glass)) — Igneous

Pumice

Pumicite (Amorphous volcanic glass)

Pumice (Pumice (Vesicular Rhyolite/Andesite)) — igneous

Pumice

Pumice (Vesicular Rhyolite/Andesite)

Snowflake Obsidian (Volcanic glass with Spherulite inclusions (SiO2)) — igneous

Snowflake Obsidian

Volcanic glass with Spherulite inclusions (SiO2)

Felsic Tuff (Pyroclastic volcanic rock (Tuff)) — igneous

Felsic Tuff

Pyroclastic volcanic rock (Tuff)

Pumice (Pumicite (Amorphous Volcanic Glass)) — Igneous

Pumice

Pumicite (Amorphous Volcanic Glass)

Snowflake Obsidian (Hydrated Volcanic Glass with Cristobalite inclusions) — igneous

Snowflake Obsidian

Hydrated Volcanic Glass with Cristobalite inclusions

Obsidian (Volcanic Glass (Amorphous Silicon Dioxide)) — igneous

Obsidian

Volcanic Glass (Amorphous Silicon Dioxide)

Basalt (Pahoehoe texture) (Mafic Volcanic Rock) — igneous

Basalt (Pahoehoe texture)

Mafic Volcanic Rock

Pumice (Pumice (Amorphous volcanic glass)) — igneous

Pumice

Pumice (Amorphous volcanic glass)

Obsidian (Volcanic Glass (Mainly SiO2)) — igneous

Obsidian

Volcanic Glass (Mainly SiO2)

Pumice (Pumice (volcanic glass)) — igneous

Pumice

Pumice (volcanic glass)

Obsidian (Volcanic Glass (SiO2)) — igneous

Obsidian

Volcanic Glass (SiO2)

Red Tuff / Sandstone (Rhyolitic Tuff / Pyroclastic Volcanic Rock) — igneous

Red Tuff / Sandstone

Rhyolitic Tuff / Pyroclastic Volcanic Rock

Pumice (Pumice (Vesicular volcanic glass)) — igneous

Pumice

Pumice (Vesicular volcanic glass)

Pumice (Pumice (a highly vesicular volcanic glass)) — igneous

Pumice

Pumice (a highly vesicular volcanic glass)

Pumice (Vesicular volcanic glass) — igneous

Pumice

Vesicular volcanic glass

Pumice (Pumice (Vesicular volcanic glass)) — igneous

Pumice

Pumice (Vesicular volcanic glass)