Obsidian
Obsidian (volcanic glass)
igneous
Category
Synthetic (Man Made Glass)
Browse synthetic (man made glass) specimens identified by the Rock Identifier community.
Learn about Synthetic (Man Made Glass) in the encyclopedia
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Apache Tear
Obsidian (Volcanic Glass)
igneous
Black Obsidian
Obsidian (Volcanic Glass)
igneous
Obsidian
Obsidian (Volcanic Glass)
igneous
Obsidian
Obsidian (Volcanic Glass)
igneous
Tektite (Indochinite)
Impactite (Natural Glass)
meteorite
Obsidian
Obsidian (Volcanic Glass)
igneous
Obsidian with Perlitic Crust
Volcanic Glass (SiO2)
igneous
Obsidian
Obsidian (Volcanic Glass)
igneous
Obsidian Arrowhead
Obsidian (Volcanic Glass)
igneous
Pumice
Pumiceous volcanic glass
igneous
Black Obsidian
Obsidian (Volcanic Glass)
igneous
Black Obsidian
Obsidian (Volcanic Glass)
igneous
Obsidian
Volcanic Glass (SiO2)
igneous
Obsidian (Tumbled Apache Tear)
Volcanic Glass (SiO2)
igneous
Pumice
Pumiceous volcanic glass
igneous
Black Obsidian
Volcanic Glass (SiO2)
igneous
Obsidian
Obsidian (Volcanic Glass)
igneous
Obsidian
Obsidian (Volcanic Glass)
igneous
Obsidian
Obsidian (Volcanic Glass)
igneous
Pumice
Vesicular volcanic glass
igneous
Pumice
Pumice (volcanic glass)
igneous
Obsidian
Volcanic Glass (SiO2)
igneous
Black Obsidian
Obsidian (Volcanic Glass)
igneous
Pumice (specifically a water-worn, weathered variety)
Vesicular volcanic glass
igneous
Obsidian
Obsidian (Volcanic Glass)
igneous
Apache Tears (Obsidian)
Volcanic Glass (SiO2)
igneous
Obsidian
Obsidian (Volcanic Glass)
igneous
Obsidian
Obsidian (Volcanic Glass)
Igneous
Pumice (likely weathered/water-worn)
Vesicular volcanic glass
igneous
Obsidian
Obsidian (Volcanic Glass)
igneous
Obsidian (Apache Tear)
Volcanic Glass (SiO2)
igneous
Obsidian
Obsidian (Volcanic Glass)
igneous
Scoria
Vesicular Basaltic Glass
igneous
Obsidian
Volcanic Glass (SiO2)
igneous
Black Obsidian
Obsidian (Volcanic Glass)
igneous
Black Obsidian
Obsidian (Volcanic Glass)
igneous
Black Obsidian
Volcanic Glass (SiO2)
igneous
Obsidian
Volcanic Glass (SiO2)
igneous
Obsidian
Obsidian (Volcanic Glass)
igneous
Silver Sheen Obsidian
Volcanic Glass (SiO2)
igneous
Obsidian
Volcanic Glass (SiO2)
igneous