Jasper
Silicon dioxide (SiO2)
Category
Browse synthetic glass specimens identified by the Rock Identifier community.
Jasper
Silicon dioxide (SiO2)
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Pyrite in Limestone
Iron Sulfide (FeS2) in Calcium Carbonate (CaCO3)
Chert (varietal: Jasper or Ironstone nodule)
Microcrystalline Quartz (SiO2) with iron oxides
Rose Quartz
Silicon dioxide with traces of titanium, iron, or manganese (SiO2)
Ferruginous Quartz
Silicon Dioxide (SiO2) with Hematite/Limonite inclusions
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Chert (Chalcedony/Agate)
Microcrystalline Quartz (SiO2)
Gray Chert (River Pebble)
Microcrystalline Quartz (SiO2)
River Pebble (Greywacke or Basaltic)
Massive Greywacke or Basaltic Andesite
Chert (Flint variety)
Silicon Dioxide (SiO2)
Granitoid (Granite/Gneiss)
Granitoid silicate rock, primarily quartz and feldspar
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartzite with Quartz Vein
Quartzite (SiO2)
Quartzite
Quartzite (SiO2)
Chert (Yellow Jasper variant)
Microcrystalline Quartz (SiO2)
Chert (includes Flint & Jasper)
Chert (Siliceous sedimentary rock, chemical formula SiO2)
Pink Granite
Phaneritic Felsic Igneous Rock (Rich in K-Feldspar)
Ferruginous Quartz
Quartz with Iron Oxide inclusions (SiO2 + Fe2O3)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartzite with Feldspar
Quartzite (mainly SiO2) with inclusions of Potassium Feldspar (KAlSi3O8)
Chert (Jasper)
Chert / Microcrystalline Quartz (SiO2)
Chert (and Chert-Jasper mix)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Silicon dioxide (SiO2)
Chert (Commonly known as Flint)
Microcrystalline Quartz (SiO2)
Chalcedony (Quartz variety)
Silicon Dioxide (SiO2)
Chert (often called Flint)
Microcrystalline Quartz (SiO2)
Chert / Flint
Cryptocrystalline Quartz (SiO2)
Chert (Flint)
Chert (Microcrystalline Quartz, SiO2)
Banded Chert (River Cobble)
Microcrystalline Quartz (SiO2)
Greywhacke (River Pebble)
Graywacke (immature sandstone)
Chert (with Quartz Vein)
Chert (Siliceous sedimentary rock, predominantly Microcrystalline Quartz SiO2)
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
Banded Chert (Agate)
Silicon Dioxide (SiO2)
Chert (Chalky variety)
Microcrystalline Quartz (SiO2)
Rose Quartz
Silicon dioxide with traces of titanium, iron, or manganese (SiO2)
Aventurine Quartz
Silicon Dioxide (SiO2) with inclusions (typically Fuchsite/Mica)
Chert (often called Flint or River Stone)
Chert (Microcrystalline Silicon Dioxide, SiO2)
Chert (Jasper/Flint variety)
Microcrystalline quartz (SiO2)
Chert (often called Flint)
Microcrystalline Quartz (SiO2)
Chert (Flint Nodules)
Silicon Dioxide (SiO2)