Limestone
Calcareous sedimentary rock (CaCO3)
sedimentary
Category
Sedimentary Or Metamorphic (Base Substrate)
Browse sedimentary or metamorphic (base substrate) specimens identified by the Rock Identifier community.
Learn about Sedimentary Or Metamorphic (Base Substrate) in the encyclopedia
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Sandstone (Ferruginous)
Clastic Sedimentary Rock (Sandstone)
sedimentary
Conglomerate
Conglomerate (Detrital Sedimentary Rock)
sedimentary
Red Shale
Fissile Siliciclastic Sedimentary Rock
sedimentary
Dalmatian Stone
Dalmatian Jasper (Aplitic Rock)
igneous
Grey River Pebble (Likely Quartz-rich or Limestone)
Clastic Sedimentary Rock (typically SiO2 or CaCO3 based)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Sandstone (likely Siltstone variety)
Arenite / Siltstone (primary mineral SiO2)
sedimentary
Quartzite
Quartzite (mostly SiO2)
metamorphic
Gneiss
Metamorphic Gneiss
metamorphic
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Hag Stone
Perforated Sedimentary Rock / Flint / Limestone
sedimentary
Conglomerate
Clastic sedimentary rock (Conglomerate)
sedimentary
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Gneissic Schist
Gneiss-schist (Metamorphic rock)
metamorphic
Sandstone (likely Quartzose)
Clastic sedimentary rock (SiO2 primary)
sedimentary
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Garnet Gneiss
Garnetiferous quartzo-feldspathic gneiss
metamorphic
Kyanite
Kyanite (Al2SiO5)
mineral
Rhodonite (in matrix)
Rhodonite (Mn,Fe,Mg,Ca)SiO3
Mineral
Garnet in Matrix (Schist or Quartz)
Almandine Garnet, Fe3Al2(SiO4)3
metamorphic
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Chalcedony with Druzy Quartz Geode
Silicon Dioxide (SiO2)
mineral
Sandstone (Quartzose)
Arenite (primarily SiO2)
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Tumbled Rose Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Yellow Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Raw Calcite
Calcium Carbonate (CaCO3)
mineral
Pyrite-bearing Rock
Iron Sulfide (FeS2) associated with host rock
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
Orange Quartz / Peach Aventurine
Silicon Dioxide (SiO2)
mineral
Magnetite / Lodestone
Magnetite (Fe3O4)
mineral