Banded Chert
Silicon Dioxide (SiO2)
Category
Browse marble specimens identified by the Rock Identifier community.
Banded Chert
Silicon Dioxide (SiO2)
Limestone with Calcite Veins
Calcium Carbonate (CaCO3)
Pearl
Aragonite (CaCO3) with Conchiolin
Sandstone with Lichen
Arenite (SiO2 based) with biological weathering
Coquina / Shelly Limestone
Coquina (Biogenic Limestone)
Chert (Jasper/Agate variety)
Microcrystalline quartz (SiO2)
Chert (Flint) Pebble
Microcrystalline Quartz (SiO2)
Chert (Jasper/Agate variety)
Microcrystalline Quartz (SiO2)
Chert (Jasper variety)
Silicon dioxide (SiO2)
Yellow Calcite
Calcite (Calcium Carbonate, CaCO3)
Chert (Brecciated or Banded Pebble)
Microcrystalline Quartz (SiO2)
Limestone
Limestone (Calcium Carbonate, CaCO3)
Chert (Jasper-like Silicate)
Microcrystalline Quartz (SiO2)
Trilobite Fossil
Trilobita (Class), likely Phacopid or Asaphid order
Chert (Flint)
Silicon Dioxide (SiO2)
Chert (Flint variety)
Microcrystalline context of Quartz (SiO2)
Diamond (or Lab-Grown Cubic Zirconia)
Carbon (C)
Kambaba Jasper
Stromatolite Jasper (Microcrystalline Quartz with Cyanobacteria fossile)
Jasper (Chert)
Silicon Dioxide (SiO2) with iron oxide impurities
Limestone with Calcite Veins
Calcium Carbonate (CaCO3)
Orange Calcite
Calcium Carbonate (CaCO3)
Banded Iron Formation (Jasper-grade)
Banded Iron Formation (BIF) containing Hematite/Magnetite and Chert (SiO2)
Fossilized Shell in Limestone
Biogenic Limestone (Calcium Carbonate, CaCO3)
Chert with Quartz Veins
Microcrystalline Quartz (SiO2)
Chert
Chert (Microcrystalline Quartz, SiO2)
Chert (Flint)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Peridot
Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)
Serpentinite
Serpentinite (composed largely of Serpentine minerals such as Lizardite, Antigorite, and Chrysotile: Mg3Si2O5(OH)4)
Chert (Nodule)
Microcrystalline quartz (SiO2)
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Diamond
Diamond (C)
Fossil Shark Tooth
Carcharodon sp. (likely Otodus or similar Lamniformes order)
Diamond
Carbon (C)
Diamond
Carbon (C)
Coquina Limestone
Biogenic Limestone (Calcium Carbonate, CaCO3)
Chert (Flint)
Silicon Dioxide (SiO2)
Chert (variant of Flint)
Chert (SiO2)
Fossiliferous Limestone
Limestone (composed primarily of calcite with included fossils CaCO3)
Chert / Fossilized Burrow Cast
Microcrystalline Quartz (SiO2) with Trace Carbonates
Basalt Pebble
Basalt
Septarian Nodule
Septarian Concretion (Calcium Carbonate/Aragonite/Calcite)