Quartz
Silicon Dioxide (SiO2)
mineral
Category
Sedimentary (Physico Chemical)
Browse sedimentary (physico chemical) specimens identified by the Rock Identifier community.
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Chert (Banded)
Silicon Dioxide (SiO2)
sedimentary
Quartz (Water-worn Pebbles)
Silicon Dioxide (SiO2)
mineral
Chert (Jasper/Flint variety)
Sedimentary silica (SiO2)
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Chert / Flint
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Geode (Small unopened nodule)
Quartz-lined nodule (SiO2)
sedimentary
Orange Calcite
Calcite (CaCO3)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Chert (Yellow Jasper)
Microcrystalline Quartz (SiO2)
sedimentary
Optical Calcite
Calcium Carbonate (CaCO3)
mineral
Calcite on Matrix
Calcium Carbonate (CaCO3)
mineral
Chert (Flint)
Silicon Dioxide (SiO2)
sedimentary
Chert (often called Flint or Jasper if reddish)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Flint nodule)
Chert (SiO2)
sedimentary
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Banded Jasper (Mookaite / Chert)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Aragonite Star Cluster (Cross-section)
Aragonite (Calcium Carbonate, CaCO3)
mineral
Geode (Chert or Quartz Nodule)
Silicon Dioxide (SiO2)
sedimentary
Manganese Ore (Psilomelane/Pyrolusite)
Psilomelane ((Ba,H2O)2Mn5O10) and Pyrolusite (MnO2)
Mineral
Siderite Concretion in Shale
Iron carbonate (FeCO3) in Mudstone/Shale matrix
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Fossiliferous Limestone
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Banded Sandstone (Liesegang Rings)
Arenite with Liesegang rings (SiO2/Fe2O3)
sedimentary
Sandstone (Ferruginous)
Arenite (SiO2 based with Fe2O3 banding)
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Yellow Calcite / Banded Onyx Calcite
Calcite (CaCO3)
mineral
Chert / Flint Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Quartz (Yellow/Iron-stained Quartzite or Chalcedony)
Silicon Dioxide (SiO2)
mineral
Chert (Yellow Jasper)
Cryptocrystalline Quartz (SiO2)
sedimentary
Calcite
Calcium Carbonate (CaCO3)
mineral
Geode (Chert/Quartz)
Silicon Dioxide (SiO2)
sedimentary
Chert (Jasper variation)
Silicon Dioxide (SiO2)
sedimentary
Chert (often called Flint or Jasper)
Silicon Dioxide (SiO2)
sedimentary
Optical Calcite (Iceland Spar)
Calcite (CaCO3)
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral