Quartz with Iron Staining
Silicon Dioxide (SiO2) with Hematite inclusions
Category
Browse synthetic (glass) specimens identified by the Rock Identifier community.
Quartz with Iron Staining
Silicon Dioxide (SiO2) with Hematite inclusions
Obsidian
Obsidian (Volcanic Glass)
Obsidian
Obsidian (Volcanic Glass)
Obsidian
Volcanic Glass (SiO2)
Obsidian
Obsidian (Volcanic Glass)
Obsidian
Obsidian (Volcanic Glass)
Obsidian
Volcanic Glass (SiO2)
Obsidian
Volcanic Glass (SiO2)
Obsidian
Obsidian (Volcanic Glass)
Obsidian
Obsidian (Volcanic Glass)
Obsidian
Obsidian (Volcanic Glass)
Black Obsidian
Volcanic Glass (SiO2)
Black Obsidian
Obsidian (Volcanic Glass)
Obsidian
Obsidian (Volcanic Glass)
Obsidian
Volcanic Glass (SiO2)
Obsidian
Volcanic Glass (SiO2)
Obsidian
Obsidian (volcanic glass)
Pumice
Vesicular volcanic glass
Obsidian
Obsidian (Volcanic Glass)
Pumice
Vesicular volcanic glass
Obsidian
Obsidian (volcanic glass)
Libyan Desert Glass
Natural Silica Glass (SiO2 with minor iron and titanium)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2) / Rock Crystal
Jasper
Jasper (Cryptocrystalline variety of Quartz, SiO2)
Chert (specifically Gray/Black Chert)
Chert (Microcrystalline or Cryptocrystalline Quartz, SiO2)
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Lodolite (Garden Quartz)
Silicon Dioxide (SiO2) with inclusions (Chlorite, Hematite, etc.)
Rose Quartz
Silicon dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Chert (often called Flint or Jasper based on color)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Quartz (Milky/Crystalline variety)
Silicon Dioxide (SiO2)
Chert (Jasper)
Microcrystalline Quartz (SiO2)
Chert (Blue-Gray Chert)
Microcrystalline quartz (SiO2)
Quartz Pebble (Iron-Stained)
Silicon Dioxide (SiO2)
Chert (varietal: Flint/Jasper mix)
Hydrous Silica (SiO2)
Quartz (Milky or Cloudy Quartz)
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silica - SiO2)
Gray Quartz (Tumbled)
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide with trace inclusions (SiO2)
Green Aventurine in Host Rock
SiO2 (Quartz with Fuchsite inclusions)
Obsidian
Volcanic Glass (SiO2)
Obsidian
Obsidian (Volcanic Glass)