Limestone with Fossil Inclusion
Sedimentary Calcium Carbonate (CaCO3)
Category
Browse marble specimens identified by the Rock Identifier community.
Limestone with Fossil Inclusion
Sedimentary Calcium Carbonate (CaCO3)
Orange Calcite
Calcium Carbonate (CaCO3)
Chert (often called Flint when dark or worked)
Cryptocrystalline silica (SiO2)
Serpentine
Serpentine group, including Antigorite, Lizardite, and Chrysotile (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4
Chert (Yellow variety / Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Diamond (set in Gold)
Carbon (C)
Diamond
C (Carbon)
Devil's Toenail (Fossil Oyster)
Gryphaea arcuata (Calcium Carbonate, CaCO3)
Satin Spar Selenite
Gypsum (CaSO4·2H2O)
Chert Pebble
Microcrystalline silica (SiO2)
Limestone
Calcium Carbonate (CaCO3)
Diamond
Diamond (pure Carbon, C)
Fossil Coral (Rugose)
Rugosa (Order), often preserved in Limestone (CaCO3)
Sandstone (Graywacke)
Arenite / Graywacke (SiO2 with lithic fragments)
Chert (Yellow Jasper variant)
Microcrystalline Quartz (SiO2)
Chert (often called Flint in dark varieties)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Fossiliferous Limestone
Carbonate sedimentary rock (CaCO3)
Sandstone
Arenite
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals: (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4)
Limestone
Calcium Carbonate (CaCO3)
Chert (Basanite / Flint)
Microcrystalline silica (SiO2)
Green Chert
Microcrystalline Quartz (SiO2)
Chert
Microcrystalline Quartz (SiO2)
Red Chert (Jasper)
Cryptocrystalline Quartz (SiO2) with iron oxide inclusions
Chert Pebble
Chert (Microcrystalline Quartz, SiO2)
Chert (often called Flint)
Cryptocrystalline Quartz (SiO2)
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals usually (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4)
Chert (Flint)
Microcrystalline Silicon Dioxide (SiO2)
Banded Iron Formation (BIF)
Banded Iron Formation
Chert (Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Ooids (Oolites)
Ooids (composed of Calcium Carbonate / CaCO3)
Chert (Flint)
Chert (Silicon Dioxide, SiO2)
Chert (specifically Gray Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (variations include Flint or Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (variations include Flint)
Chert (Silicon Dioxide, SiO2)
Ferruginous Sandstone (Ironstone)
Sedimentary rock with high iron oxide content (Fe2O3 / FeO(OH))
Chert (Flint variety)
Silicon dioxide (SiO2) - Microcrystalline Quartz
Crushed Limestone
Sedimentary Calcium Carbonate (CaCO3)
Chert (variations include Flint or Jasper)
Chert (Silicon Dioxide, SiO2)
Chert (Jasper/Flint variety)
Microcrystalline quartz (SiO2)
Chert (variations include Flint or Jasper)
Silicon Dioxide (SiO2)