Rock Identifier

Category

Mineral (Variant Of Quartz)

Browse mineral (variant of quartz) specimens identified by the Rock Identifier community.

Learn about Mineral (Variant Of Quartz) in the encyclopedia

Lithium Quartz

Dumortierite Quartz

Dumortierite Quartz

Garden Quartz

Blue Quartz

Phantom Quartz

Super Seven

Aventurine

Prase

Shattuckite

Snow Quartz

Rose Quartz

Flower Jasper

Quartz River Cobble (Yellow Jasper/Quartzite variant) (Quartzite (primarily Silicon Dioxide, SiO2)) — metamorphic

Quartz River Cobble (Yellow Jasper/Quartzite variant)

Quartzite (primarily Silicon Dioxide, SiO2)

Ferruginous Conglomerate (Conglomerate with Iron-Oxide Matrix (SiO2 + Fe2O3/FeO(OH))) — sedimentary

Ferruginous Conglomerate

Conglomerate with Iron-Oxide Matrix (SiO2 + Fe2O3/FeO(OH))

Tiger's Eye (likely variant or dark tumble) (Pseudomorph of Quartz after Crocidolite (SiO2)) — metamorphic

Tiger's Eye (likely variant or dark tumble)

Pseudomorph of Quartz after Crocidolite (SiO2)

Tiger's Eye (likely Hawk's Eye variant) (Pseudomorph of Quartz after Crocidolite (SiO2)) — metamorphic

Tiger's Eye (likely Hawk's Eye variant)

Pseudomorph of Quartz after Crocidolite (SiO2)

Chert (Smooth River Siltstone/Basalt variant) (Silicon dioxide (SiO2) / Microcrystalline Quartz) — sedimentary

Chert (Smooth River Siltstone/Basalt variant)

Silicon dioxide (SiO2) / Microcrystalline Quartz

Chert (Common Opal variant) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Common Opal variant)

Silicon Dioxide (SiO2)

Larimar (Pectolite (NaCa2Si3O8(OH))) — Mineral variant / Gemstone

Larimar

Pectolite (NaCa2Si3O8(OH))

Mineral variant / Gemstone

Chert (variant Flint/Jasper) (Microcrystalline Opaline Silica (SiO2)) — sedimentary

Chert (variant Flint/Jasper)

Microcrystalline Opaline Silica (SiO2)

Desert Rose (Baryte or Selenite variant) (Barium Sulfate (BaSO4) or Gypsum (CaSO4·2H2O) with Sand inclusions) — mineral

Desert Rose (Baryte or Selenite variant)

Barium Sulfate (BaSO4) or Gypsum (CaSO4·2H2O) with Sand inclusions

Orbicular Jasper (Ocean Jasper variant) (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Orbicular Jasper (Ocean Jasper variant)

Silicon Dioxide (SiO2) with iron oxide inclusions

Yellow Chalcedony (common opal or chert variant) (Silicon Dioxide (SiO2)) — sedimentary (mineraloid/microcrystalline quartz)

Yellow Chalcedony (common opal or chert variant)

Silicon Dioxide (SiO2)

sedimentary (mineraloid/microcrystalline quartz)

Banded Iron Formation (Tiger Iron variant) (Banded Iron Formation (SiO2 + Fe2O3)) — sedimentary

Banded Iron Formation (Tiger Iron variant)

Banded Iron Formation (SiO2 + Fe2O3)

Sunstone (Oligoclase (a plagioclase feldspar variant), (Na,Ca)(Al,Si)4O8) — mineral

Sunstone

Oligoclase (a plagioclase feldspar variant), (Na,Ca)(Al,Si)4O8

Sandstone (specifically Arkose or Siltstone variant) (Clastic Sedimentary Rock (primarily SiO2)) — sedimentary

Sandstone (specifically Arkose or Siltstone variant)

Clastic Sedimentary Rock (primarily SiO2)

Beryl (likely Aquamarine or Heliodor variant) (Beryllium aluminum cyclosilicate (Be3Al2Si6O18)) — mineral

Beryl (likely Aquamarine or Heliodor variant)

Beryllium aluminum cyclosilicate (Be3Al2Si6O18)

Chert (often called Flint for dark variants) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (often called Flint for dark variants)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Sandstone (likely Graywacke or Arkose variant) (Clastic Sedimentary Rock (Lithic Sandstone)) — sedimentary

Sandstone (likely Graywacke or Arkose variant)

Clastic Sedimentary Rock (Lithic Sandstone)

Chalcedony (Common Opal or Agate variant) (Silicon Dioxide (SiO₂)) — mineral

Chalcedony (Common Opal or Agate variant)

Silicon Dioxide (SiO₂)

Chalcedony (Common Opal or Agate variant) (Silicon Dioxide (SiO₂)) — mineral

Chalcedony (Common Opal or Agate variant)

Silicon Dioxide (SiO₂)

Yellow Chalcedony (Agate/Carnelian variant) (Silicon Dioxide (SiO₂)) — mineral

Yellow Chalcedony (Agate/Carnelian variant)

Silicon Dioxide (SiO₂)

Sandstone (Green/Yellow Siltstone variant) (Arenite or Siltstone (primarily SiO2 with mineral staining)) — sedimentary

Sandstone (Green/Yellow Siltstone variant)

Arenite or Siltstone (primarily SiO2 with mineral staining)

Sandstone (likely Graywacke or Arkose variant) (Clastic Sedimentary Rock (SiO2 based)) — sedimentary

Sandstone (likely Graywacke or Arkose variant)

Clastic Sedimentary Rock (SiO2 based)

Sandstone (likely Graywacke or Arkose variant) (Clastic Sedimentary Rock (SiO2 dominated)) — sedimentary

Sandstone (likely Graywacke or Arkose variant)

Clastic Sedimentary Rock (SiO2 dominated)

Septarian Nodule (Thunder Egg variant) (Septarian concretion (Calcite, Aragonite, and Limestone)) — sedimentary

Septarian Nodule (Thunder Egg variant)

Septarian concretion (Calcite, Aragonite, and Limestone)

Sandstone (likely Graywacke or Arkose variant) (Clastic Sedimentary Rock (SiO2 with assorted lithic fragments)) — sedimentary

Sandstone (likely Graywacke or Arkose variant)

Clastic Sedimentary Rock (SiO2 with assorted lithic fragments)

Chert (Jasper Variant likely) (Silicon Dioxide (SiO2)) — Sedimentary Rock or Mineral (depending on origin and purity)

Chert (Jasper Variant likely)

Silicon Dioxide (SiO2)

Sedimentary Rock or Mineral (depending on origin and purity)

Jasper (likely Polychrome or Mookaite variants) (Silicon Dioxide (SiO2) with iron oxide and hydroxide inclusions) — sedimentary (chemically precipitated)

Jasper (likely Polychrome or Mookaite variants)

Silicon Dioxide (SiO2) with iron oxide and hydroxide inclusions

sedimentary (chemically precipitated)

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

White Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Chalcedony (specifically Common Opal or Agate variant) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (specifically Common Opal or Agate variant)

Silicon Dioxide (SiO2)

Banded Agate (Lake Superior Agate variant) (Silicon Dioxide (SiO2)) — mineral

Banded Agate (Lake Superior Agate variant)

Silicon Dioxide (SiO2)

Chert (specifically Flint or Jasper variant) (Silicon Dioxide (SiO2)) — sedimentary

Chert (specifically Flint or Jasper variant)

Silicon Dioxide (SiO2)

Fluorite with Quartz (Fluorite (CaF2) and Quartz (SiO2)) — mineral

Fluorite with Quartz

Fluorite (CaF2) and Quartz (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Quartz in Limonite-rich Matrix (Silicon Dioxide (SiO2) with Goethite/Limonite FeO(OH)·nH2O) — Mineral in Sedimentary/Secondary host

Quartz in Limonite-rich Matrix

Silicon Dioxide (SiO2) with Goethite/Limonite FeO(OH)·nH2O

Mineral in Sedimentary/Secondary host

Quartz Mineral Specimens (Quartz (Silicon Dioxide, SiO2)) — mineral

Quartz Mineral Specimens

Quartz (Silicon Dioxide, SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Quartz with Iron Stains (Silicon Dioxide (SiO2) with FeOx inclusions) — mineral

Quartz with Iron Stains

Silicon Dioxide (SiO2) with FeOx inclusions

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Quartz Geode Fragment with Iron Staining (Silicon Dioxide (SiO2)) — mineral

Quartz Geode Fragment with Iron Staining

Silicon Dioxide (SiO2)

Quartz with Mica (Muscovite/Biotite) (Silicon Dioxide (SiO2) with Phyllosilicate inclusions) — mineral

Quartz with Mica (Muscovite/Biotite)

Silicon Dioxide (SiO2) with Phyllosilicate inclusions