Chert (Flint variety)
Microcrystalline Quartz (SiO2)
Category
Browse manufactured glass specimens identified by the Rock Identifier community.
Chert (Flint variety)
Microcrystalline Quartz (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Picture Jasper
Silicified sedimentary or volcanic rock (primarily SiO2)
Aventurine (Tan/Cream colored)
Quartz (SiO2) with mineral inclusions
Granite
Granite (Phaneritic Quartz-Feldspar Plutonic Rock)
Jasper with Hematite inclusions
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3)
Chert (Jasper/Agate variety)
Microcrystalline Quartz (SiO2)
Jasper Agate (Chalcedony)
Silicon Dioxide (SiO2)
Sandstone (Greywacke)
Clastic Sedimentary Rock (SiO2 with lithic fragments)
Chert (with Limestone matrix)
Chert (Silica: SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Quartzite (River Pebble)
Metamorphic Quartzite (SiO2)
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
Pink Granite
Phaneritic Felsic Intrusive Igneous Rock
Milky Quartz
Silicon Dioxide (SiO2)
Banded Chert
Microcrystalline Quartz (SiO2)
Quartzite
Quartzite (primarily SiO2)
Chert (specifically Gray/Tan Chert Node)
Microcrystalline Quartz (SiO2)
Rose Quartz
Silicon Dioxide (SiO2)
Milky Quartz with inclusions
Silicon Dioxide (SiO2)
Quartz with Chlorite or Hornblende inclusions
Silicon dioxide (SiO2) with phyllosilicate or amphibole inclusions
Chert Pebble
Microcrystalline silica (SiO2)
Chert / Flint
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Ferruginous Quartz
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions
Quartzite
Quartzite (primarily SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Chert (varieties include Flint or Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Pink Granite
Phaneritic intrusive felsic igneous rock
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Chert (varieties: Flint or Jasper)
Microcrystalline Quartz (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Garnet and Quartz
Pyrope or Almandine (Red Garnets) and Quartz (Center Stone)
Chert (Fossiliferous)
Silicon dioxide (SiO2)
Quartz (Quartzite or Quartz Pebble)
Silicon Dioxide (SiO2)
Quartzite
Quartzite (mainly SiO2)
Quartz (Water-worn pebble)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Chert (Flint nodule)
Silicon dioxide (SiO2)
Chert (Yellow or Brown Jasper)
Microcrystalline Quartz (SiO2)
Chert (Iron-stained)
Microcrystalline Quartz (SiO2)