Blue Aragonite
Aragonite (Calcium Carbonate, CaCO3)
mineral
Category
Sedimentary (Chemically Precipitated)
Browse sedimentary (chemically precipitated) specimens identified by the Rock Identifier community.
Learn about Sedimentary (Chemically Precipitated) in the encyclopedia
View all →
Jasper
Microcrystalline quartz (SiO2)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Limestone
Calcitic Limestone (CaCO3)
sedimentary
Leopardskin Jasper
Jasper (a variety of microcrystalline Quartz)
Sedimentary
Banded Chert (Wonderstone-style)
Silicon Dioxide (SiO2)
sedimentary
Chert (specifically Gray Chert/Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Chert / Flint
Microcrystalline quartz (SiO2)
sedimentary
Chert Pebble (River Siltstone / Jasper)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (and Chert Breccia)
Silicon Dioxide (SiO2)
sedimentary
Chert (Chalky variety)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (often called Flint in dark varieties)
Microcrystalline or cryptocrystalline Quartz (SiO2)
sedimentary
Chert (Yellow or Tan Chert)
Silicon Dioxide (SiO2)
sedimentary
Chert (with Quartz veins)
Chert (Microcrystalline Silica, SiO2)
sedimentary
Chert (Beach Pebble)
Microcrystalline Quartz (SiO2)
sedimentary
Limestone
Sedimentary Calcium Carbonate (CaCO3)
sedimentary
Limestone
Sedimentary Calcium Carbonate (CaCO3)
sedimentary
Jasper in Basalt Matrix
Silicon Dioxide (SiO2) with impurities; Chalcedony
sedimentary (secondary mineral) within igneous
Aragonite Star Cluster
Aragonite (Calcium Carbonate, CaCO3)
mineral
Conglomerate
Conglomerate (a clastic sedimentary rock)
Sedimentary
Fossilized Oyster Shell
Gryphaea or Crassostrea fossil (Calcium Carbonate, CaCO3)
sedimentary
Barite
Barium Sulfate (BaSO4)
mineral
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Botryoidal Pyrite
Iron Sulfide (FeS2)
mineral
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Banded Sedimentary Rock
Sedimentary rock with Liesegang banding
sedimentary
Chert (Flint / Chalcedony pebble)
Silicon Dioxide (SiO2)
sedimentary
Quartz (Milky/Crystal variety)
Silicon Dioxide (SiO2)
mineral
Concrete fragment with Aggregate
Anthropogenic Concrete with Calcarious and Siliceous Aggregate
sedimentary (anthropogenic/man-made)
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Chert (Nodule)
Silicon Dioxide (SiO2)
sedimentary
Pyrite Concretion
Iron Sulfide (FeS2) in Sedimentary Matrix
sedimentary
Quartzite (Yellow/Orange variety)
Quartzite (primarily SiO2)
metamorphic
Quartz (Common or Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Jasper
Quartz (SiO2)
sedimentary
Riverstone (Sandstone Pebble)
Arenite (SiO2 with various lithic fragments)
sedimentary
Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Chert (or Flint)
Chert (SiO2)
sedimentary
Chert (Flint nodule)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary