Rock Identifier

Category

Mineral (Specifically A Cryptocrystalline Variety Of Quartz)

Browse mineral (specifically a cryptocrystalline variety of quartz) specimens identified by the Rock Identifier community.

Petrified Wood (Silicified Wood (primarily SiO2)) — sedimentary

Petrified Wood

Silicified Wood (primarily SiO2)

Mookaite Jasper (Radiolarite (Chert/Jasper variety), formula SiO2) — sedimentary

Mookaite Jasper

Radiolarite (Chert/Jasper variety), formula SiO2

Chalcedony (Quartz Nodule) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Quartz Nodule)

Silicon Dioxide (SiO2)

Red Jasper (Jasper (Silicon Dioxide, SiO2)) — mineral

Red Jasper

Jasper (Silicon Dioxide, SiO2)

Agate with Quartz Druzy (Silicon Dioxide (SiO2) - Microcrystalline and Macrocrystalline varieties) — mineral

Agate with Quartz Druzy

Silicon Dioxide (SiO2) - Microcrystalline and Macrocrystalline varieties

Jasper (Silicon dioxide, SiO2) — Mineral

Jasper

Silicon dioxide, SiO2

Red Jasper (Chalcedony/Quartz (SiO2) with iron inclusions) — mineral

Red Jasper

Chalcedony/Quartz (SiO2) with iron inclusions

Smoky Quartz (Quartz (SiO₂)) — Mineral

Smoky Quartz

Quartz (SiO₂)

Amethyst (Quartz variety) (Silicon Dioxide (SiO2) with iron impurities) — mineral

Amethyst (Quartz variety)

Silicon Dioxide (SiO2) with iron impurities

Granite (with Almandine Garnet inclusions) (Granite composed primarily of Quartz (SiO2), K-Feldspar (KAlSi3O8), and Almandine Garnet (Fe3Al2(SiO4)3)) — igneous

Granite (with Almandine Garnet inclusions)

Granite composed primarily of Quartz (SiO2), K-Feldspar (KAlSi3O8), and Almandine Garnet (Fe3Al2(SiO4)3)

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

Rose Quartz

Quartz (Silicon Dioxide, SiO2)

Pink Granite (Phaneritic Plutonic Felsic Rock (Granite)) — igneous

Pink Granite

Phaneritic Plutonic Felsic Rock (Granite)

Topaz (Topaz (Al2SiO4(F,OH)2)) — Mineral

Topaz

Topaz (Al2SiO4(F,OH)2)

Blue Quartzite (Silicon Dioxide (SiO2) with inclusions) — metamorphic

Blue Quartzite

Silicon Dioxide (SiO2) with inclusions

Blue Tiger's Eye (Silicon Dioxide (SiO2) with Crocidolite inclusions) — Mineral (Pseudomorph)

Blue Tiger's Eye

Silicon Dioxide (SiO2) with Crocidolite inclusions

Mineral (Pseudomorph)

Green Jasper (Heliotrope / Bloodstone variety) (Silicon Dioxide (SiO₂)) — sedimentary

Green Jasper (Heliotrope / Bloodstone variety)

Silicon Dioxide (SiO₂)

Moonstone (specifically White Moonstone or Girasol Quartz) (Potassium aluminum silicate (KAlSi3O8)) — mineral

Moonstone (specifically White Moonstone or Girasol Quartz)

Potassium aluminum silicate (KAlSi3O8)

Quartzite (Quartzite (High-purity SiO2)) — metamorphic

Quartzite

Quartzite (High-purity SiO2)

Chert (specifically Gray Chert) (Silicon Dioxide (SiO2)) — sedimentary

Chert (specifically Gray Chert)

Silicon Dioxide (SiO2)

Blue Calcite (Calcium Carbonate (CaCO3)) — mineral

Blue Calcite

Calcium Carbonate (CaCO3)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Flint / Chert (Silicon dioxide (SiO2)) — sedimentary

Flint / Chert

Silicon dioxide (SiO2)

Chert (Arrowhead Preform or Flake) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Arrowhead Preform or Flake)

Microcrystalline Quartz (SiO2)

Quartz (Silicon Dioxide (SiO₂)) — Mineral

Quartz

Silicon Dioxide (SiO₂)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Ruby (Corundum) (Al2O3 (Aluminium oxide with Chromium impurities)) — Mineral

Ruby (Corundum)

Al2O3 (Aluminium oxide with Chromium impurities)

Rose Quartz (Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese) — mineral

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Rose Quartz (Silicon Dioxide (SiO2)) — mineral

Rose Quartz

Silicon Dioxide (SiO2)

Rose Quartz (Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese) — mineral

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Rose Quartz (Quartz (Silicon Dioxide) - SiO2) — mineral

Rose Quartz

Quartz (Silicon Dioxide) - SiO2

Rose Quartz (Silicon Dioxide with trace inclusions of dumortierite or titanium (SiO2)) — mineral

Rose Quartz

Silicon Dioxide with trace inclusions of dumortierite or titanium (SiO2)

Rose Quartz (Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese) — mineral

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Rose Quartz (Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese) — mineral

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Chert Nodule (Flint) (Cryptocrystalline quartz (SiO2)) — sedimentary

Chert Nodule (Flint)

Cryptocrystalline quartz (SiO2)

Chert (Pink Chert/Jasper) (Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Pink Chert/Jasper)

Cryptocrystalline Quartz (SiO2)

Flint (Chert) (Cryptocrystalline Quartz (SiO2)) — sedimentary

Flint (Chert)

Cryptocrystalline Quartz (SiO2)

Chert / Flint Nodules (Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert / Flint Nodules

Cryptocrystalline Quartz (SiO2)

River Agate (Chert/Chalcedony) (Cryptocrystalline Quartz (SiO2)) — sedimentary

River Agate (Chert/Chalcedony)

Cryptocrystalline Quartz (SiO2)

Flint (Chert) (Cryptocrystalline Quartz (SiO2)) — sedimentary

Flint (Chert)

Cryptocrystalline Quartz (SiO2)

Chert / Pink Flint (Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert / Pink Flint

Cryptocrystalline Quartz (SiO2)

Chert (Jasper) (Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Jasper)

Cryptocrystalline Quartz (SiO2)