Rock Identifier

Category

Sedimentary (Microcrystalline Quartz)

Browse sedimentary (microcrystalline quartz) specimens identified by the Rock Identifier community.

Learn about Sedimentary (Microcrystalline Quartz) in the encyclopedia

Chalcedony

Chalcedony

Quartzite Sandstone

Quartzite Sandstone

Chert

Chert

Flower Jasper

Flower Jasper

Brown Jasper

Brown Jasper

Red Jasper

Red Jasper

Feather Jasper

Feather Jasper

Royal Imperial Jasper

Royal Imperial Jasper

Scenic Jasper

Scenic Jasper

Carrasite Jasper

Carrasite Jasper

Map Jasper

Map Jasper

Dendritic Jasper

Dendritic Jasper

Quartzite (Iron-stained) (Quartzite (primarily SiO2)) — metamorphic

Quartzite (Iron-stained)

Quartzite (primarily SiO2)

Yellow Quartzite (Quartzite (SiO2)) — metamorphic

Yellow Quartzite

Quartzite (SiO2)

Red Quartzite (Quartzite (SiO2)) — metamorphic

Red Quartzite

Quartzite (SiO2)

Quartz (Druzy) (Silicon Dioxide (SiO2)) — mineral

Quartz (Druzy)

Silicon Dioxide (SiO2)

Quartz Geode (Quartz (SiO2) in a Sedimentary Vug) — sedimentary

Quartz Geode

Quartz (SiO2) in a Sedimentary Vug

Orange Calcite / Quartzite with Iron Staining (Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3) with Iron Oxide impurities) — mineral

Orange Calcite / Quartzite with Iron Staining

Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3) with Iron Oxide impurities

Sandstone with Quartz Vein (Arenite with SiO2 intrusion) — sedimentary

Sandstone with Quartz Vein

Arenite with SiO2 intrusion

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Quartzite Pebble (Quartzite (principally SiO2)) — metamorphic

Quartzite Pebble

Quartzite (principally SiO2)

Agate (Silicon Dioxide (SiO2) - Chalcedony variety) — mineral

Agate

Silicon Dioxide (SiO2) - Chalcedony variety

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Chrysocolla in Quartz (Quantum Quattro variant) (Hydrated copper silicates (Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O) often mixed with SiO2) — mineral

Chrysocolla in Quartz (Quantum Quattro variant)

Hydrated copper silicates (Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O) often mixed with SiO2

Petrified Wood (Silicified Wood (SiO2)) — mineral

Petrified Wood

Silicified Wood (SiO2)

Pink Quartzite (Quartzite (mainly SiO2 with iron oxide impurities)) — metamorphic

Pink Quartzite

Quartzite (mainly SiO2 with iron oxide impurities)

Banded Agate (Cryptocrystalline Quartz (SiO2)) — mineral

Banded Agate

Cryptocrystalline Quartz (SiO2)

Snakeskin Agate (Cryptocrystalline Quartz (SiO2)) — mineral

Snakeskin Agate

Cryptocrystalline Quartz (SiO2)

Ocean Jasper (Orbicular Quartz (SiO2)) — Mineral

Ocean Jasper

Orbicular Quartz (SiO2)

Agate (Cryptocrystalline Quartz (SiO2)) — mineral

Agate

Cryptocrystalline Quartz (SiO2)

Petrified Wood (Silicified Wood (SiO2)) — metamorphic

Petrified Wood

Silicified Wood (SiO2)

Sandstone (Arenite (SiO2 secondary)) — sedimentary

Sandstone

Arenite (SiO2 secondary)

Green Chalcedony (likely Chrysoprase or dyed Green Agate) (Silicon Dioxide (SiO2) with nickel impurities or chromium/dye) — mineral

Green Chalcedony (likely Chrysoprase or dyed Green Agate)

Silicon Dioxide (SiO2) with nickel impurities or chromium/dye

Blue Chalcedony (Chalcedony (SiO2)) — mineral

Blue Chalcedony

Chalcedony (SiO2)

Dragon Vein Agate (Dyed/Treated) (Agate (SiO2)) — mineral

Dragon Vein Agate (Dyed/Treated)

Agate (SiO2)

Orbicular Jasper (Silicon Dioxide (SiO2), variety of Chalcedony) — Mineral

Orbicular Jasper

Silicon Dioxide (SiO2), variety of Chalcedony

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

White Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

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

Clear Quartz

Quartz (Silicon Dioxide, SiO2)

Sandstone (with Quartz Vein/Inclusion) (Arenite (primarily SiO2)) — sedimentary

Sandstone (with Quartz Vein/Inclusion)

Arenite (primarily SiO2)

Sandstone (Quartzose Sandstone) (Clastic sedimentary rock (SiO2 dominated)) — sedimentary

Sandstone (Quartzose Sandstone)

Clastic sedimentary rock (SiO2 dominated)

Ocean Jasper (Spherulitic Chalcedony (SiO2)) — mineral

Ocean Jasper

Spherulitic Chalcedony (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Quartzite (Metamorphosed Quartz Sandstone) — metamorphic

Quartzite

Metamorphosed Quartz Sandstone

Quartzite Pebble (with Quartz veins) (Quartzite (SiO2)) — metamorphic

Quartzite Pebble (with Quartz veins)

Quartzite (SiO2)

Orange Quartzite (Tumbled Beach Pebble) (Quartzite (primarily SiO2)) — metamorphic

Orange Quartzite (Tumbled Beach Pebble)

Quartzite (primarily SiO2)

Garnet Schist or Garnet-bearing Quartzite (Metamorphic rock containing Almandine Garnet (Fe3Al2(SiO4)3) and Quartz (SiO2)) — metamorphic

Garnet Schist or Garnet-bearing Quartzite

Metamorphic rock containing Almandine Garnet (Fe3Al2(SiO4)3) and Quartz (SiO2)

Pink Dyed Agate (Banded Chalcedony) (Silicon dioxide (SiO2) - variety Chalcedony) — mineral

Pink Dyed Agate (Banded Chalcedony)

Silicon dioxide (SiO2) - variety Chalcedony

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

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Quartzite (Quartzite (primarily Silicon Dioxide, SiO2)) — metamorphic

Quartzite

Quartzite (primarily Silicon Dioxide, SiO2)

Banded Agate (Cryptocrystalline Quartz (SiO2)) — mineral

Banded Agate

Cryptocrystalline Quartz (SiO2)

Gray Agate with Druzy Quartz Geode (Cryptocrystalline Quartz (SiO2)) — mineral

Gray Agate with Druzy Quartz Geode

Cryptocrystalline Quartz (SiO2)