Metamorphic (Pseudo Igneous)

Browse metamorphic (pseudo igneous) specimens identified by the Rock Identifier community.

Quartz (Milky or Druzy Quartz)

Silicon Dioxide (SiO2)

mineral

Amber and Citrine Quartz

Succinite (Amber) and Silicon Dioxide (SiO2 / Citrine)

mineral

Quartz (Milky or White Quartz)

Silicon Dioxide (SiO2)

mineral

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

mineral

Hematite (Iron Ore)

Hematite (Fe2O3)

mineral

Emerald

Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities

mineral

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

mineral

Quartz (Milky/Clear variety)

Silicon Dioxide (SiO2)

mineral

Pink Tumbled Quartz (Dyed)

Silicon Dioxide (SiO2)

mineral

Quartz / Clear Quartz

Silicon Dioxide (SiO2)

mineral

Rough Star Sapphire (Corundum)

Al2O3 (Aluminum Oxide)

mineral

Clear Quartz

Silicon Dioxide (SiO2)

mineral

Quartz (River Pebble)

Silicon Dioxide (SiO2)

mineral

Sunstone

Oligoclase or Andesine (Labradorite) Feldspar (Na,Ca)(Si,Al)4O8

mineral

General Gravel (River Rock/River Stones)

Mixed Lithic Sediments (Conglomerate Clasts)

sedimentary

Moonstone

Adularia (Potassium Aluminum Silicate, KAlSi3O8)

mineral

Quartz (Clear/White)

Silicon Dioxide (SiO2)

mineral

Pink Sapphire

Corundum (Al2O3 with Chromium/Titanium/Iron traces)

mineral

Amazonite

Potassium Feldspar (KAlSi3O8)

mineral

Milky Quartz

Silicon Dioxide (SiO2)

mineral

Blue Calcite

Calcium Carbonate (CaCO3)

Mineral

Smoky Quartz (Tumbled)

Silicon Dioxide (SiO2)

mineral

Smoky Quartz

Silicon Dioxide (SiO2)

mineral

Pyrite

Iron Sulfide (FeS2)

mineral

Quartz (Milky/Yellowish)

Silicon Dioxide (SiO2)

mineral

Sodalite

Sodalite - Na8(Al6Si6O24)Cl2

mineral

Citrine

Citrine (Silicon Dioxide, SiO2)

mineral

Amethyst (Quartz variety)

Amethyst [Silicon Dioxide (SiO2)]

mineral

Hematite (Tumbled)

Iron(III) oxide (Fe2O3)

mineral

Bull Quartz (White Quartz)

Silicon Dioxide (SiO2)

mineral

Quartz (Milky or Cloudy Quartz)

Silicon Dioxide (SiO2)

mineral

Smoky Quartz

Smoky Quartz (SiO2)

mineral

Banded Chalcedony (Agate)

Silicon Dioxide (SiO2) - Cryptocrystalline Quartz

mineral

Moonstone

Orthoclase Feldspar (KAlSi3O8) or Albite mixtures

mineral

Milky Quartz

Silicon Dioxide (SiO2)

mineral

Lapis Lazuli

Lapis Lazuli (Complex aggregate of Lazurite, Calcite, and Pyrite)

metamorphic

Greenstone

Greenschist / Greenstone (Chlorite-Epidote facies)

metamorphic

Gneiss (Metamorphic Rock)

Gneiss (high-grade regional metamorphic rock)

metamorphic

Gneiss

metamorphic

Lapis Lazuli

Lapis Lazuli (Mineral composition: Lazurite (Na,Ca)8(AlSiO4)6(SO4,S,Cl,OH)2, Calcite, and Pyrite)

metamorphic

Gneiss (Metamorphic Cobble)

Gneiss (High-grade Regional Metamorphic Rock)

metamorphic

Greenschist

Greenschist facies rock (containing chlorite, actinolite, albite, and epidote)

metamorphic