Yellow Calcite
Calcium Carbonate (CaCO3)
Category
Browse sedimentary rock (specifically a chemical sedimentary rock, or a chert if considered purely mineral aggregate) specimens identified by the Rock Identifier community.
Yellow Calcite
Calcium Carbonate (CaCO3)
Chert (Nodule)
Chert (mainly Microcrystalline or Cryptocrystalline Quartz, SiO2)
Chalcedony (Agate/Chert)
Silicon Dioxide (SiO2)
Blue Calcite
Calcium Carbonate (CaCO3)
Chert (Jasper/Flint variety)
Microcrystalline quartz (SiO2)
Mookaite Jasper
Silicified Radiolarite (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Jasper (specifically Bloodstone or Heliotrope variety)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Chert (or Flint)
Chert (a cryptocrystalline variety of quartz, SiO2)
Micro-crystalline Quartz Pebble (Chert)
Silicon dioxide (SiO2)
Banded Jasper (Chert)
Silicon Dioxide (SiO2) - variety of Chalcedony
Chert (Limestone-based)
Silicon Dioxide (SiO2) within Carbonate host
Dragon Stone
Argillaceous Sedimentary Rock (Ohko Stone)
Limestone
Calcium Carbonate (CaCO3)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Limestone
Calcium Carbonate (CaCO3)
Chert (Jasper-like Silicate)
Microcrystalline quartz (SiO2)
Banded Chert
Silicon Dioxide (SiO2)
Chert (or potentially Jasper/Chalcedony)
SiO2 (Silicon Dioxide)
Jasper with Epidote Vein
Silicon Dioxide (SiO2) with Calcium Aluminum Iron Silicate (Ca2(Al,Fe)3(SiO4)3(OH))
Bauxite
Bauxite (Al(OH)3, γ-AlO(OH), and α-AlO(OH))
Chert (Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (specifically Flint or Gray Chert)
Silicon Dioxide (Microcrystalline Quartz), SiO2
Chert (Tan/Brown variety)
Chert (Silicon Dioxide, SiO2)
Pink Granite
Felsic intrusive igneous rock
Chert (White Chert or Flint)
Microcrystalline or cryptocrystalline quartz (SiO2)
Red Jasper
Jasper (SiO2) with Hematite (Fe2O3) inclusions
Sandstone (likely Arkose or Quartz Sandstone)
Arenite (SiO2 + varied clasts)
Chert Pebble
Microcrystalline silica (SiO2)
Limestone
Calcium Carbonate (CaCO3)
Chert / Chalcedony
Silicon Dioxide (SiO2)
Banded Chert
Microcrystalline Quartz (SiO2)
Sandstone (with Chert/Quartzite)
Arenite (primarily SiO2)
Sandstone (specifically Cross-bedded Sandstone)
Arenite (composed primarily of SiO2)
Sandstone
Arenite (SiO2 based)
Chert (Jasper/Flint variety)
Microcrystalline quartz (SiO2)
Basalt with Vesicle/Vug
Basalt (Aphanitic Mafic Igneous Rock)
Limestone
Calcium Carbonate (CaCO3)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Quartz (Clear Quartz/Rock Crystal)
Silicon Dioxide (SiO2)
Chert (and/or Flint)
Chert (Cryptocrystalline variety of Quartz, SiO2)
Wonderstone Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions