Chert
Microcrystalline Quartz (SiO2)
Category
Browse sedimentary (chemically precipitated mineral) specimens identified by the Rock Identifier community.
Chert
Microcrystalline Quartz (SiO2)
Chert (Pink Jasper variant)
Microcrystalline Quartz (SiO2)
Chert (Pebble)
Microcrystalline or cryptocrystalline Quartz (SiO2)
White Onyx (Marble Onyx)
Calcite (CaCO3) - Banded Calcium Carbonate
Chert (Yellow Jasper variant)
Microcrystalline Quartz (SiO2)
Chert / Flint
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Chert Nodule)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Quartzite Pebbler
Quartzite (SiO2)
Quartzite
Quartzite (SiO2)
Quartzite (Iron-stained)
Metamorphosed Quartz-rich Rock (SiO2)
Chert
Chert (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Diorite
Diorite (Intermediate intrusive igneous rock)
Chert (Nodular)
Microcrystalline Silica (SiO2)
Green Chert
Microcrystalline Quartz (SiO2)
Chert (specifically Flint or Common Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Iron-stained)
Chert (Cryptocrystalline Silica, SiO2)
Quartzite
Quartzite (chiefly SiO2)
Greenstone / Serpentinite
Serpentinite (composed largely of Serpentine group minerals, Mg3Si2O5(OH)4)
Chert (or possibly Flint)
SiO2 (Silicon Dioxide)
Cardstock (Paper)
Cellulose (C6H10O5)n
Clear Quartz (beads in a bracelet)
Quartz (SiO2)
Chert (varietal Flint or Jasper)
Silicon Dioxide (SiO2)
Chert (or Flint)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Travertine
Terrestrial Sedimentary Form of Calcium Carbonate (CaCO3)
Chert (Yellow Jasper/Flint)
Silicon Dioxide (SiO2)
Chert (and/or Siltstone River Pebble)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Chert (Nodule)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Nodule)
Silicon Dioxide (SiO2)
Chert Nodule
Chert (Cryptocrystalline variety of Quartz, SiO2)
Chert (specifically Flint or Jasper variant)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Chert (Jasper/Chalcedony variety)
Microcrystalline Quartz (SiO2)
Jasper (specifically Chert/Ironstone)
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions
Chert (Jasper-rich)
Silicon dioxide (SiO2) - Microcrystalline Quartz
Chert (Nodule)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Serpentine
Antigorite, Lizardite, or Chrysotile; (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4
Sandstone (Pebble/Cobble)
Sandstone (arenite is a more precise term for sandstone with less than 15% matrix; this specimen appears to be a lithic or quartz arenite)
Chert (often called Flint or Jasper)
Microcrystalline silica (SiO2)