Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Category
Man Made Material
Browse man made material specimens identified by the Rock Identifier community.
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Limestone
Calcium Carbonate (CaCO3)
sedimentary
Raw Calcite
Calcite (Calcium Carbonate - CaCO3)
mineral
Sandstone
Arenite (SiO2 based)
sedimentary
Limestone
Sedimentary Calcium Carbonate (CaCO3)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Sandstone (Iron-stained)
Arenite with Limonite/Hematite staining
sedimentary
Quartzite
Quartzite (composed primarily of Quartz, SiO2)
metamorphic
Sandstone (Ferruginous)
Arenite with Iron-Oxide Cement
sedimentary
Orange Calcite (Iron-Stained)
Calcium Carbonate (CaCO3)
mineral
Quartz Crystal Fragment
Silicon Dioxide (SiO2)
mineral
Quartzite
Quartzite (primarily SiO2)
metamorphic
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite
Silica (SiO2)
metamorphic
Sandstone with Ironstone Concretion
Arenite with Ferruginous Cement
sedimentary
Limestone with Fossil Impression
Calcium Carbonate (CaCO3)
sedimentary
Sandstone (Arkose/Quartzose)
Arenite (SiO2 based clastic rock)
sedimentary
Sandstone (likely Quartzose)
Arenite
sedimentary
Milky Quartz Pebble
Crystalline Silicon Dioxide (SiO2)
mineral
Quartzite
Quartzite (composed primarily of SiO2)
metamorphic
Pink Quartzite
Silica (SiO2) - Metamorphic rock
metamorphic
Sandstone (Quartzose Sandstone)
Arenite (primarily SiO2)
sedimentary
Sandstone (Ferruginous)
Arenite (with Iron Oxides)
sedimentary
Sandstone
Arenite
sedimentary
Sandstone (Ferruginous)
Arenite (SiO2 with iron oxide impurities)
sedimentary
Sandstone (with Feldspathic/Arkose qualities)
Arenite (primarily SiO2 with KAlSi3O8 components)
sedimentary
Sandstone
Arenite (SiO2 based with mineral cement)
sedimentary
Quartzite
Quartzite (primarily SiO2)
metamorphic
Chert (Flint)
Chert (Silicon Dioxide, SiO2)
sedimentary
Sandstone
Arenite (clastic sedimentary rock)
sedimentary
Red Mudstone (Siltstone)
Lutite (primarily Quartz and Clay minerals with Hematite)
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary
Sandstone (Quartzose Sandstone)
Arenite (SiO2 principal component)
sedimentary
Quartzite Pebble
Quartzite (SiO2 with minor impurities)
metamorphic
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Amber
Succinite (C10H16O)
mineraloid
Sandstone
Arenite (composed primarily of SiO2)
sedimentary
Sandstone (Quartz Sandstone)
Arenite (primarily SiO2)
sedimentary
Sandstone (with Iron Oxide)
Arenite with Limonite/Hematite staining
sedimentary
Sandstone (Red/Brown Variety)
Arenite (SiO2 with iron oxide impurities)
sedimentary
Quartzite
Quartzite (SiO2)
metamorphic