Raw Calcite
Calcium Carbonate (CaCO3)
mineral
Category
Sedimentary To Metamorphic
Browse sedimentary to metamorphic specimens identified by the Rock Identifier community.
Learn about Sedimentary To Metamorphic in the encyclopedia
View all →
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
Pebble Gravel Mix (Quartzite, Basalt, Chert)
Alluvial River Gravel / Aggregate Clasts
sedimentary
Rough Quartz (Milky / Clear Quartz)
Silicon Dioxide (SiO2)
mineral
Magnetite or Hematite Nodule
Iron Oxide (Fe3O4 or Fe2O3)
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Massive White Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
mineral
Quartz (Milky or Yellow variety)
Silicon Dioxide (SiO2)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Yellow Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Magnetite
Iron(II,III) oxide (Fe3O4)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Quartz pebble
Silicon dioxide (SiO2)
sedimentary
Dark gray foliated metamorphic rock, likely slate or phyllite
Slate/phyllite; chiefly quartz, mica, and chlorite
metamorphic
Gneissic Schist
Gneiss-schist (Metamorphic rock)
metamorphic
Mica Schist
Metamorphic Rock (Schistose)
metamorphic
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Agate
Silicon Dioxide (Chalcedony), SiO2
sedimentary
Pyrite
Iron Pyrite (FeS₂)
Mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
mineral
Brown Marble
Metamorphic Limestone (CaCO3)
metamorphic
Banded gneiss
Gneiss, commonly quartz–feldspar–biotite gneiss
metamorphic
Tumbled gneiss
Gneiss, chiefly quartz–feldspar with mica and dark ferromagnesian minerals
metamorphic
Quartzite Pebble
Metamorphic Quartz (SiO2)
metamorphic
Blue Kyanite
Kyanite (Al2SiO5)
mineral
Tumbled Slate or Basalt Pebble
Metamorphic fine-grained rock / Slate or Phyllite
metamorphic
Slate
Foliated Metamorphic Rock
metamorphic
Banded Slate
Slate (Metamorphosed Siltstone/Mudstone)
metamorphic
Foliated Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Gneiss
Foliated Metamorphic Gneiss
metamorphic
Gneiss
Gneissic Metamorphic Rock
metamorphic
River Pebble (Quartzite)
Quartzite (SiO2)
metamorphic
Weathered sandstone or metasedimentary rock
Quartz-rich sandstone; possibly weakly metamorphosed quartzite
sedimentary