Obsidian
Obsidian (Volcanic Glass)
igneous
Category
Synthetic Glass
Browse synthetic glass specimens identified by the Rock Identifier community.
Learn about Synthetic Glass in the encyclopedia
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Obsidian
Obsidian (Volcanic Glass)
igneous
Obsidian
Obsidian (Volcanic Glass)
igneous
Obsidian
Obsidian (Volcanic Glass)
igneous
Obsidian
Volcanic Glass (SiO2)
igneous
Obsidian
Volcanic Glass (SiO2)
igneous
Obsidian
Obsidian (Volcanic Glass)
igneous
Obsidian
Volcanic Glass (SiO2)
igneous
Obsidian
Obsidian (Volcanic Glass)
igneous
Perlite (Unexpanded)
Amorphous volcanic glass
igneous
Obsidian
Obsidian (Volcanic Glass)
igneous
Obsidian
Volcanic Glass (SiO2)
igneous
Black Obsidian
Volcanic Glass (SiO2)
igneous
Black Obsidian
Obsidian (Volcanic Glass)
igneous
Obsidian with Matrix
Volcanic Glass (SiO2)
igneous
Obsidian
Obsidian (Volcanic Glass)
igneous
Obsidian
Obsidian (Volcanic Glass)
igneous
Obsidian
Volcanic Glass (SiO2)
igneous
Obsidian
Volcanic Glass (SiO2)
igneous
Obsidian
Obsidian (Volcanic Glass)
igneous
Obsidian
Obsidian (volcanic glass)
Igneous
Obsidian
Volcanic Glass (SiO2)
igneous
Pumice
Vesicular volcanic glass
igneous
Pumice
Vesicular volcanic glass
igneous
Obsidian
Obsidian (volcanic glass)
igneous
Pumice
Pumice (Volcanic Glass)
igneous
Quartz
Silicon Dioxide (SiO2)
mineral
Muscovite Mica
Muscovite KAl2(AlSi3O10)(OH)2
mineral
Yellow Quartz (Citrine/Iron-Stained Quartz)
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Black Obsidian
Volcanic Glass (felsic)
igneous
Tektite
Natural Impact Glass
meteorite
Pumice
Volcanic glass / Pumice
igneous
Fulgurite
Lechatelierite (Silica Glass)
mineral
Tektite
Natural impact glass
meteorite
Obsidian
Obsidian (volcanic glass)
igneous
Apache Tear
Obsidian (Volcanic Glass)
igneous
Black Obsidian
Obsidian (Volcanic Glass)
igneous
Obsidian
Obsidian (Volcanic Glass)
igneous
Obsidian (Blue)
Volcanic Glass (SiO2)
igneous
Obsidian
Obsidian (Volcanic Glass)
igneous