Chert Nodules (Jasper)
Microcrystalline Quartz (SiO2)
Category
Browse organic mineraloid and mineral specimens identified by the Rock Identifier community.
Chert Nodules (Jasper)
Microcrystalline Quartz (SiO2)
Chert / Flint Pebble
Silicon Dioxide (SiO2)
Chert (with Limestone/Carbonate matrix)
Sedimentary cryptocrystalline silica (SiO2)
Chert (Jasper)
Silicon Dioxide (SiO2)
Chert Pebble
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (often called Flint or Jasper)
Microcrystalline or Cryptocrystalline Silicon Dioxide (SiO2)
Chert (Tan/Yellow variety)
Microcrystalline quartz (SiO2)
Chert (Nodule)
Silicon Dioxide (SiO2)
Chert (Jasper variety)
Chert (Silicon Dioxide, SiO2)
Chert (Cherty Shale / Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (and/or Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Nodular or Massive Variety)
Cryptocrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert (Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (White Chert/Flint)
Chert (SiO2)
Chert / Jasper
Microcrystalline Quartz (SiO2)
Chert (Blue-Gray Chert)
Microcrystalline quartz (SiO2)
Chert (Pink variety/Jasper)
Silicon Dioxide (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Black Chert / Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (with Iron Staining)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Nodule)
Silicon Dioxide (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Travertine
Calcareous Tufa (CaCO3)
Chert (often called Flint)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert (Nodule)
Silicon Dioxide (SiO2)
Chert (Flint variety)
Silicon Dioxide (SiO2)
Chert (often called Flint or Jasper when pigmented)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Fossiliferous Limestone (Coquina)
Biogenic Limestone (Calcium Carbonate, CaCO3)
Coquina or Fossiliferous Limestone
Fossiliferous Calcarenite (CaCO3)
Chert (Nodule)
Silicon Dioxide (SiO2)
Fossilized Echinoid (Sea Urchin)
Echinoidea (Class) - Often found as Micraster or Clypeaster specimens
Chert (River Pebble)
Chert (Silicon Dioxide, SiO2)
Chert (Chert Nodule with Cortex)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Chalcedony)
Silicon Dioxide (SiO2)
Chert (often called Flint or Jasper based on color)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert / Flint
Silicon Dioxide (SiO2)
Chert (Flint)
Chert (Silicon Dioxide, SiO2)
Chert (varietal Chalcedony or Flint)
Silicon dioxide (SiO2) - Microcrystalline Quartz
Chert (Quartz)
Microcrystalline Silica (SiO2)
Petoskey Stone
Hexagonaria percarinata (Fossilized Rugose Coral)