Rock Identifier

Category

Sedimentary Or Metamorphic

Browse sedimentary or metamorphic specimens identified by the Rock Identifier community.

Peacock Ore (Bornite or Chalcopyrite treated with acid) (Bornite (Cu5FeS4) or Acid-washed Chalcopyrite (CuFeS2)) — mineral

Peacock Ore (Bornite or Chalcopyrite treated with acid)

Bornite (Cu5FeS4) or Acid-washed Chalcopyrite (CuFeS2)

Smoky Quartz (Rough Specimen) (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz (Rough Specimen)

Silicon Dioxide (SiO2)

Quartz with Iron Staining (Silicon Dioxide (SiO2) with Limonite/Hematite inclusions) — mineral

Quartz with Iron Staining

Silicon Dioxide (SiO2) with Limonite/Hematite inclusions

Chalcopyrite (Chalcopyrite (CuFeS2)) — mineral

Chalcopyrite

Chalcopyrite (CuFeS2)

Quartz with Mica Schist (Pegmatite Specimen) (SiO2 (Silicon Dioxide) and Phyllosilicates (Biotite/Muscovite)) — Igneous/Metamorphic Hybrid

Quartz with Mica Schist (Pegmatite Specimen)

SiO2 (Silicon Dioxide) and Phyllosilicates (Biotite/Muscovite)

Igneous/Metamorphic Hybrid

Grey Agate (Silicon Dioxide (SiO2) - Variety of Chalcedony) — mineral

Grey Agate

Silicon Dioxide (SiO2) - Variety of Chalcedony

Agate (specifically Botswana or Lake Superior style Agate) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — mineral

Agate (specifically Botswana or Lake Superior style Agate)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Orthoclase Feldspar (KAlSi3O8 (Potassium Aluminum Silicate)) — mineral

Orthoclase Feldspar

KAlSi3O8 (Potassium Aluminum Silicate)

Sapphire (Corundum (Al2O3)) — Mineral

Sapphire

Corundum (Al2O3)

Citrine (Silicon Dioxide (SiO2)) — mineral

Citrine

Silicon Dioxide (SiO2)

Ruby and Diamond in Gold Setting (Corundum (Al2O3) and Diamond (C)) — mineral

Ruby and Diamond in Gold Setting

Corundum (Al2O3) and Diamond (C)

Yellow Beryl (Heliodor) (Beryllium aluminum silicate (Be3Al2Si6O18)) — mineral

Yellow Beryl (Heliodor)

Beryllium aluminum silicate (Be3Al2Si6O18)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Carnelian Agate (Silicon Dioxide (SiO2) with iron oxide inclusions) — mineral

Carnelian Agate

Silicon Dioxide (SiO2) with iron oxide inclusions

Yellow Quartz (Citrine Quartz) (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz (Citrine Quartz)

Silicon Dioxide (SiO2)

Blue Sapphire (Corundum (Al2O3) with iron and titanium impurities) — mineral

Blue Sapphire

Corundum (Al2O3) with iron and titanium impurities

Moonstone (Orthoclase Feldspar ((K,Na)AlSi3O8) with Albite) — mineral

Moonstone

Orthoclase Feldspar ((K,Na)AlSi3O8) with Albite

Smoky Quartz (Silicon dioxide with aluminum impurities (SiO2)) — mineral

Smoky Quartz

Silicon dioxide with aluminum impurities (SiO2)

Rough Corundum (Sapphire/Ruby mixture) (Corundum (Aluminum Oxide, Al2O3)) — mineral

Rough Corundum (Sapphire/Ruby mixture)

Corundum (Aluminum Oxide, Al2O3)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Quartz (Iron-stained) (Silicon Dioxide (SiO2)) — mineral

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Green Quartz (Prasiolite/Adventurine/Jasper) (Silicon Dioxide (SiO2)) — mineral

Green Quartz (Prasiolite/Adventurine/Jasper)

Silicon Dioxide (SiO2)

Blue Sapphire (Synthetic or Man-made Glass Imitation) (Corundum (Al2O3) if natural; Lead-glass or Spinal if synthetic) — mineral

Blue Sapphire (Synthetic or Man-made Glass Imitation)

Corundum (Al2O3) if natural; Lead-glass or Spinal if synthetic

Labradorite (Labradorite ((Ca, Na)(Al, Si)4O8)) — mineral

Labradorite

Labradorite ((Ca, Na)(Al, Si)4O8)

Milky Quartz with Iron Staining (Silicon Dioxide (SiO2)) — mineral

Milky Quartz with Iron Staining

Silicon Dioxide (SiO2)

Orthoclase Feldspar (Orthoclase (KAlSi3O8)) — mineral

Orthoclase Feldspar

Orthoclase (KAlSi3O8)

Strawberry Quartz (or Hematoid Quartz) (Silicon Dioxide (SiO2) with inclusions of Hematite or Goethite) — mineral

Strawberry Quartz (or Hematoid Quartz)

Silicon Dioxide (SiO2) with inclusions of Hematite or Goethite

Peacock Ore (Bornite (Cu5FeS4)) — mineral

Peacock Ore

Bornite (Cu5FeS4)

Red Aventurine (Strawberry Quartz) (Silicon Dioxide (SiO2) with inclusions of Hematite or Goethite) — Mineral

Red Aventurine (Strawberry Quartz)

Silicon Dioxide (SiO2) with inclusions of Hematite or Goethite

Green Quartz (including Prase or Aventurine variants) (Silicon Dioxide (SiO2) with inclusions (likely Actinolite or Chlorite)) — mineral

Green Quartz (including Prase or Aventurine variants)

Silicon Dioxide (SiO2) with inclusions (likely Actinolite or Chlorite)

Tiger's Eye (SiO2 (Quartz with inclusion of iron oxides)) — mineral

Tiger's Eye

SiO2 (Quartz with inclusion of iron oxides)

Banded Agate (Cryptocrystalline Quartz (SiO2)) — mineral

Banded Agate

Cryptocrystalline Quartz (SiO2)

Rose Quartz (Silicon Dioxide (SiO2) with traces of Titanium, Iron, or Manganese) — mineral

Rose Quartz

Silicon Dioxide (SiO2) with traces of Titanium, Iron, or Manganese

Amazonite (Microcline (KAlSi3O8) with lead inclusions) — mineral

Amazonite

Microcline (KAlSi3O8) with lead inclusions

Red Garnet (Almandine-Pyrope series) (Garnet Group, Almandine (Fe3Al2(SiO4)3) or Pyrope (Mg3Al2(SiO4)3)) — mineral

Red Garnet (Almandine-Pyrope series)

Garnet Group, Almandine (Fe3Al2(SiO4)3) or Pyrope (Mg3Al2(SiO4)3)

Plagioclase Feldspar (Plagioclase Feldspar Series (NaAlSi3O8 - CaAl2Si2O8)) — Mineral

Plagioclase Feldspar

Plagioclase Feldspar Series (NaAlSi3O8 - CaAl2Si2O8)

Mica (Muscovite) (Potassium aluminum silicate - KAl2(AlSi3O10)(OH)2) — mineral

Mica (Muscovite)

Potassium aluminum silicate - KAl2(AlSi3O10)(OH)2

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Green Aventurine (Quartz) (SiO2 (Silicon Dioxide with Fuchsite inclusions)) — mineral

Green Aventurine (Quartz)

SiO2 (Silicon Dioxide with Fuchsite inclusions)

Milky Quartz (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Quartzite Pebble (Quartzite (mostly SiO2)) — metamorphic

Quartzite Pebble

Quartzite (mostly SiO2)

Quartzite Pebbles (Quartzite (SiO2)) — metamorphic

Quartzite Pebbles

Quartzite (SiO2)