Blue Apatite
Apatite group (Ca5(PO4)3(F,Cl,OH))
mineral
Category
Sedimentary (Primary) With Artificial Modification
Browse sedimentary (primary) with artificial modification specimens identified by the Rock Identifier community.
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Chert Nodule
Microcrystalline Quartz (SiO2)
sedimentary
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Heat-Treated Citrine (Amethyst)
Silicon Dioxide (SiO2) with iron impurities
mineral
Chert (Arrowheads)
Microcrystalline Quartz (SiO2)
sedimentary
Chert Nodule
Microcrystalline Quartz (SiO2)
sedimentary
Chert Pebble
Chert (Silicon Dioxide, SiO2)
sedimentary
Chert / Flint
Silicon Dioxide (SiO2)
sedimentary
Chert (Flint/Jasper variety)
Microcrystalline Quartz (SiO2)
sedimentary
Banded Iron Formation
BIF (Banded Iron Formation)
sedimentary
Chert (Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (variously known as Flint)
Silicon Dioxide (SiO2)
sedimentary
Chert (Flint/Jasper)
Silicon dioxide (SiO2) - Microcrystalline quartz
sedimentary
Celestine (Celestite)
Strontium sulfate (SrSO4)
mineral
Goldstone
Not a natural mineral or rock. It is an ornamental glass.
Manufactured Glass (Simulant)
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Limonite (Iron Ore)
Limonite (Hydrous iron(III) oxide-hydroxide mixture, primarily FeO(OH)·nH2O)
mineral
Bauxite (Pisolitic Bauxite)
Bauxite (mixture of Hydrous Aluminum Oxides)
sedimentary
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
sedimentary
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Sandstone
Arenite (Clastic Sedimentary Rock)
sedimentary
Limestone
Sedimentary Calcite (CaCO3)
sedimentary
Baryte (Barite)
Barium sulfate (BaSO4)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Flint (Chert)
Silicon Dioxide (SiO2)
sedimentary
Calcite
Calcium Carbonate (CaCO3)
mineral
Chert (Flint)
Chert (SiO2)
sedimentary
Pyrite in Shale
Iron Disulfide (FeS2)
mineral
Limestone (with Iron-Oxide staining)
Sedimentary Calcium Carbonate (CaCO3)
sedimentary
Limestone with Calcite Veins
Sedimentary Calcium Carbonate (CaCO3)
sedimentary
Banded Iron Formation
Banded Iron Formation (BIF)
sedimentary
Chert (Flint)
Chert (SiO2)
sedimentary
Limestone with Calcite Veining
Calcium Carbonate (CaCO3)
sedimentary
Gravel or Pebble
Clastic Sedimentary Grain (typically composed of Quartz or Silicate minerals)
sedimentary
Chert (Common Opal variant)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
sedimentary
Chert (and Agate/Chalcedony)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Flint)
Chert (Microcrystalline Quartz, SiO2)
sedimentary
Chert (Jasper)
Silicon Dioxide (SiO2)
sedimentary
Chert (Jasper)
Microcrystalline Quartz (SiO2)
sedimentary
Glauconitic Sandstone
Glauconitic Sandstone (contains (K,Na)(Fe,Al,Mg)2(Si,Al)4O10(OH)2)
sedimentary
Sandstone
Arenite (SiO2 principal)
sedimentary