Rock Identifier

Category

Mineral, Specifically A Cryptocrystalline Quartz Variety

Browse mineral, specifically a cryptocrystalline quartz variety specimens identified by the Rock Identifier community.

Banded Agate (Agatized Geode Slice) (Silicon Dioxide (SiO₂)) — mineral

Banded Agate (Agatized Geode Slice)

Silicon Dioxide (SiO₂)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Clear Quartz (Silicon dioxide (SiO2)) — mineral

Clear Quartz

Silicon dioxide (SiO2)

Chert (specifically Flint or Common Chert node) (Silicon Dioxide (SiO2)) — sedimentary

Chert (specifically Flint or Common Chert node)

Silicon Dioxide (SiO2)

Banded Calcite (often sold as Caribbean Calcite or Mexican Onyx) (Calcium Carbonate (CaCO3)) — mineral

Banded Calcite (often sold as Caribbean Calcite or Mexican Onyx)

Calcium Carbonate (CaCO3)

Moonstone (Orthoclase Feldspar (KAlSi3O8)) — mineral

Moonstone

Orthoclase Feldspar (KAlSi3O8)

White Agate (Chalcedony) (Silicon Dioxide (SiO2)) — mineral

White Agate (Chalcedony)

Silicon Dioxide (SiO2)

Carnelian (Carnelian (Silica, SiO2)) — mineral

Carnelian

Carnelian (Silica, SiO2)

Quartz (Milky or Grainy Variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky or Grainy Variety)

Silicon Dioxide (SiO2)

Jasper (Silicon dioxide (SiO2) with impurities) — sedimentary

Jasper

Silicon dioxide (SiO2) with impurities

Quartz (Smoky/Milky variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Smoky/Milky variety)

Silicon Dioxide (SiO2)

Citrine (Yellow Quartz (SiO2)) — mineral

Citrine

Yellow Quartz (SiO2)

Clear Quartz (Rock Crystal) (Silicon Dioxide (SiO2)) — mineral

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Gneiss (specifically a Banded Gneiss pebble) (Gneiss (High-grade Regional Metamorphic Rock)) — metamorphic

Gneiss (specifically a Banded Gneiss pebble)

Gneiss (High-grade Regional Metamorphic Rock)

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

Quartz (Common Milky Quartz)

Silicon Dioxide (SiO2)

Mookaite Jasper (Radiolarite (Silica, SiO2)) — sedimentary

Mookaite Jasper

Radiolarite (Silica, SiO2)

Red Jasper (River Pebble) (Silicon Dioxide (SiO2) with hematite impurities) — sedimentary (microcrystalline quartz)

Red Jasper (River Pebble)

Silicon Dioxide (SiO2) with hematite impurities

sedimentary (microcrystalline quartz)

Quartz (Milky and Smoky variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky and Smoky variety)

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Riverstone Jasper (Chert variant) (Silicon Dioxide (SiO2)) — sedimentary

Riverstone Jasper (Chert variant)

Silicon Dioxide (SiO2)

Chert / Flint (Chert (Silicon Dioxide, SiO2)) — sedimentary

Chert / Flint

Chert (Silicon Dioxide, SiO2)

Yellow Chalcedony (likely carnelian or yellow agate) (Silicon Dioxide (SiO₂)) — mineral

Yellow Chalcedony (likely carnelian or yellow agate)

Silicon Dioxide (SiO₂)

Gneiss (specifically Banded Gneiss) (Gneiss) — metamorphic

Gneiss (specifically Banded Gneiss)

Gneiss

Chert (specifically as a lithic artifact/projectile point) (Chert (Silicon dioxide, SiO2)) — sedimentary

Chert (specifically as a lithic artifact/projectile point)

Chert (Silicon dioxide, SiO2)

Banded Agate (specifically Lake Superior Agate type) (Silicon Dioxide (SiO2) - Microcrystalline Chalcedony) — mineral

Banded Agate (specifically Lake Superior Agate type)

Silicon Dioxide (SiO2) - Microcrystalline Chalcedony

Quartz (Smoky/Grey Variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Smoky/Grey Variety)

Silicon Dioxide (SiO2)

Red Jasper (Silicon Dioxide (SiO₂)) — sedimentary

Red Jasper

Silicon Dioxide (SiO₂)

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

Rose Quartz

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

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

Agate with Druzy Quartz

Silicon Dioxide (SiO2)

Aventurine (Silicon Dioxide (Quartz with Fuchsite inclusions) - SiO2) — metamorphic

Aventurine

Silicon Dioxide (Quartz with Fuchsite inclusions) - 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

Red Jasper (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Red Jasper (Jasper (SiO2) with Hematite (Fe2O3) inclusions) — sedimentary

Red Jasper

Jasper (SiO2) with Hematite (Fe2O3) inclusions

Chert (Hagstone/Adder Stone) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Hagstone/Adder Stone)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Ferruginous Quartz (Silicon Dioxide (SiO2) with Iron Oxide inclusions (Hematite/Goethite)) — mineral

Ferruginous Quartz

Silicon Dioxide (SiO2) with Iron Oxide inclusions (Hematite/Goethite)

Chert (Iron-stained) (Chert (Silicon Dioxide, SiO2)) — sedimentary

Chert (Iron-stained)

Chert (Silicon Dioxide, SiO2)

Red Jasper (Banded Jasper) (Jasper (Silicon Dioxide, SiO2)) — sedimentary

Red Jasper (Banded Jasper)

Jasper (Silicon Dioxide, SiO2)

Quartzite (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite

Metamorphosed Quartz Sandstone (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Granitic Pegmatite with Schorl Tourmaline (Granitic Pegmatite (Schorl: NaFe3Al6(BO3)3Si6O18(OH)4)) — igneous

Granitic Pegmatite with Schorl Tourmaline

Granitic Pegmatite (Schorl: NaFe3Al6(BO3)3Si6O18(OH)4)

Dream Amethyst (Chevron Amethyst) (Silicon Dioxide (SiO2) with Ferric Iron impurities) — mineral

Dream Amethyst (Chevron Amethyst)

Silicon Dioxide (SiO2) with Ferric Iron impurities

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

Rose Quartz

Quartz (Silicon Dioxide, SiO2)