Rock Identifier

Category

Mineral, Specifically A Variety Of Quartz

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

Chert (Gravel Bit) (Microcrystalline silica (SiO2)) — sedimentary

Chert (Gravel Bit)

Microcrystalline silica (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

Carnelian (Carnelian (Silicon Dioxide - SiO2 with iron oxide impurities)) — mineral

Carnelian

Carnelian (Silicon Dioxide - SiO2 with iron oxide impurities)

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

Jasper

Jasper (Silicon Dioxide, SiO2)

Chalcedony Geode (Chalcedony (SiO2) within a geode structure) — Mineral Geode/Sedimentary or Volcanic related

Chalcedony Geode

Chalcedony (SiO2) within a geode structure

Mineral Geode/Sedimentary or Volcanic related

Amazonite (Potassium feldspar (Microcline) - K(AlSi3O8)) — mineral

Amazonite

Potassium feldspar (Microcline) - K(AlSi3O8)

Jasper with Hematite (Red Jasper) (Silicon Dioxide with Iron Oxide (SiO2 and Fe2O3)) — sedimentary (physico-chemical precipitate)

Jasper with Hematite (Red Jasper)

Silicon Dioxide with Iron Oxide (SiO2 and Fe2O3)

sedimentary (physico-chemical precipitate)

Garnet (specifically Almandine) (Almandine (Fe3Al2(SiO4)3)) — mineral

Garnet (specifically Almandine)

Almandine (Fe3Al2(SiO4)3)

Red Jasper (with Quartz inclusions) (Silicon Dioxide (SiO2)) — sedimentary (physico-chemical)

Red Jasper (with Quartz inclusions)

Silicon Dioxide (SiO2)

sedimentary (physico-chemical)

Banded Calcite (often sold as 'Mexican Onyx' or 'Green Onyx') (Calcite (CaCO3)) — sedimentary

Banded Calcite (often sold as 'Mexican Onyx' or 'Green Onyx')

Calcite (CaCO3)

Sandstone (Ferruginous) (Arenite with Iron Oxide cement (SiO2 + Fe2O3)) — sedimentary

Sandstone (Ferruginous)

Arenite with Iron Oxide cement (SiO2 + Fe2O3)

Orange Calcite (Calcite (Calcium Carbonate, CaCO3)) — mineral

Orange Calcite

Calcite (Calcium Carbonate, CaCO3)

Quartz Crystal (Quartz (SiO₂)) — Mineral

Quartz Crystal

Quartz (SiO₂)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Sandstone (Clastic Sedimentary Rock (composed primarily of Quartz, SiO2)) — sedimentary

Sandstone

Clastic Sedimentary Rock (composed primarily of Quartz, SiO2)

Marble (Recrystallized Calcite (CaCO3) Rock) — metamorphic

Marble

Recrystallized Calcite (CaCO3) Rock

Amethyst Sage Agate (Silicon Dioxide (SiO2) with trace minerals (Manganese/Iron oxides)) — mineral

Amethyst Sage Agate

Silicon Dioxide (SiO2) with trace minerals (Manganese/Iron oxides)

Red Mudstone (Siltstone) (Lutite (primarily Quartz and Clay minerals with Hematite)) — sedimentary

Red Mudstone (Siltstone)

Lutite (primarily Quartz and Clay minerals with Hematite)

Quartzite (Quartzite (predominantly SiO2)) — metamorphic

Quartzite

Quartzite (predominantly SiO2)

Larimar (Pectolite (a variety of pectolite, NaCa2Si3O8(OH))) — Mineral

Larimar

Pectolite (a variety of pectolite, NaCa2Si3O8(OH))

Rough Emerald (Beryl) (Emerald (Be3Al2(SiO3)6 with Cr/V impurities)) — mineral

Rough Emerald (Beryl)

Emerald (Be3Al2(SiO3)6 with Cr/V impurities)

Rose Quartz (Rose Quartz (SiO2)) — Mineral

Rose Quartz

Rose Quartz (SiO2)

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Mookaite Jasper (Silicified Radiolarite (Silicon Dioxide: SiO2)) — sedimentary

Mookaite Jasper

Silicified Radiolarite (Silicon Dioxide: SiO2)

Amethyst (SiO2 (Silicon Dioxide)) — Mineral

Amethyst

SiO2 (Silicon Dioxide)

Blue Quartzite (Quartzite (primarily SiO2 with inclusions)) — metamorphic

Blue Quartzite

Quartzite (primarily SiO2 with inclusions)

Yellow Calcite (Calcium Carbonate (CaCO3)) — mineral

Yellow Calcite

Calcium Carbonate (CaCO3)

Red Jasper (with Quartz veining) (Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions) — sedimentary

Red Jasper (with Quartz veining)

Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions

Ferruginous Sandstone (Sandstone with iron oxide (Hematite/Limonite) cement) — sedimentary

Ferruginous Sandstone

Sandstone with iron oxide (Hematite/Limonite) cement

Heliotrope (Bloodstone) (Silicon dioxide (SiO2) with inclusions) — mineral

Heliotrope (Bloodstone)

Silicon dioxide (SiO2) with inclusions

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

Mahogany Obsidian (Obsidian (SiO2 + Fe2O3)) — igneous

Mahogany Obsidian

Obsidian (SiO2 + Fe2O3)

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

White Agate (Chalcedony)

Silicon Dioxide (SiO2)

Chert (Nodule) (SiO2 (Microcrystalline Quartz)) — sedimentary

Chert (Nodule)

SiO2 (Microcrystalline Quartz)

Yellow Jasper (Chert) (Silicon Dioxide (SiO2)) — sedimentary

Yellow Jasper (Chert)

Silicon Dioxide (SiO2)

Jasper with Quartz (Agate/Jasper mix) (Silicon Dioxide (SiO2) with iron oxide inclusions) — Sedimentary

Jasper with Quartz (Agate/Jasper mix)

Silicon Dioxide (SiO2) with iron oxide inclusions

Druzy Quartz (Silicon Dioxide (SiO2)) — mineral

Druzy Quartz

Silicon Dioxide (SiO2)

Chert (Flint variety) (Microcrystalline or cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Flint variety)

Microcrystalline or cryptocrystalline Quartz (SiO2)

Amethyst Quartz (SiO2 (Silicon Dioxide)) — Mineral

Amethyst Quartz

SiO2 (Silicon Dioxide)

White Quartz (Silicon Dioxide (SiO2)) — mineral

White Quartz

Silicon Dioxide (SiO2)

Picture Jasper (Silicon Dioxide (SiO2) with iron oxide and clay inclusions) — sedimentary

Picture Jasper

Silicon Dioxide (SiO2) with iron oxide and clay inclusions