Snowflake Obsidian
Volcanic glass containing Spherulite inclusions (primarily Cristobalite, SiO2)
igneous
Category
Glass
Browse glass specimens identified by the Rock Identifier community.
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Snowflake Obsidian
Volcanic Glass with Cristobalite
igneous
Pumice
Volcanic glass / Pumice
igneous
Pumice
Pumice (Volcanic Glass)
igneous
Fulgurite
Lechatelierite (Silica glass)
mineral
Snowflake Obsidian
Volcanic Glass with Cristobalite
igneous
Tektite
Natural impact glass
meteorite
Pumice
Felsic volcanic glass
igneous
Blue Obsidian
Volcanic Glass (Amorphous)
gemstone
Black Obsidian
Volcanic Glass (SiO2)
igneous
Obsidian
Obsidian (volcanic glass)
igneous
Obsidian
Obsidian (Volcanic Glass)
igneous
Obsidian
Volcanic Glass (SiO2)
igneous
Pumice
Pumice (volcanic glass)
igneous
Obsidian Arrowhead
Volcanic Glass (SiO2)
igneous
Obsidian
Obsidian (Volcanic Glass)
igneous
Pumice
Pumice (volcanic glass)
igneous
Fulgurite
Lechatelierite (Silica glass)
mineral
Black Obsidian
Volcanic Glass (SiO2)
igneous
Tektite
Tektite (meteoritic glass)
meteorite
Pumice
Pumice (Volcanic Glass)
igneous
Pumice
Pumice (Volcanic Glass)
igneous
Tektite
Natural impact glass
meteorite
Black Obsidian
Obsidian (Volcanic Glass)
igneous
Obsidian
Volcanic Glass (SiO2)
igneous
Black Obsidian
Volcanic Glass (SiO2)
igneous
Obsidian
Obsidian (Volcanic Glass)
igneous
Obsidian
Volcanic Glass (SiO2)
igneous
Obsidian
Obsidian (Volcanic Glass)
igneous
Pumice
Pumice (volcanic glass)
igneous
Obsidian
Volcanic Glass (SiO2)
igneous
Obsidian
Obsidian (Volcanic Glass)
igneous
Obsidian
Obsidian (Volcanic Glass)
igneous
Obsidian
Volcanic Glass (SiO2)
igneous
Obsidian
Obsidian (Volcanic Glass)
igneous
Obsidian
Obsidian (Volcanic Glass)
igneous
Fulgurite
Luechatelierite (SiO2 glass)
mineraloid
Obsidian
Obsidian (Volcanic Glass)
igneous
Obsidian
Obsidian (Volcanic Glass)
igneous
Obsidian
Obsidian (Volcanic Glass)
igneous
Opalite
Synthetic Opalized Glass
mineraloid (man-made)
Obsidian
Volcanic Glass (SiO2)
igneous