Milky Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
mineral
Category
Mineral, Specifically A Variety Of Quartz
Browse mineral, specifically a variety of quartz specimens identified by the Rock Identifier community.
Banded Gneiss
Gneiss
Metamorphic
Fossiliferous Limestone (Crinoidal Limestone)
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Caribbean Calcite
Calcium Carbonate with Aragonite (CaCO3)
mineral
Fulgurite
Fulgurite (Lechatelierite-rich variety)
metamorphic
Jasper Conglomerate (Puddingstone)
Jasper Conglomerate (SiO2 matrix with quartz/jasper clasts)
sedimentary
Belemnite Fossil (Guard)
Belemnoidea (Carbonate/Calcite replacement)
sedimentary
Mahogany Obsidian
Obsidian (volcanic glass with Hematite/Magnetite inclusions)
igneous
Granite
Phaneritic Felsic Igneous Rock
igneous
Chert (Common Opal/Jasper variety)
Cryptocrystalline Quartz (SiO2)
sedimentary
Yellow Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Pink Jasper/Agate variety)
Microcrystalline Quartz (SiO2)
sedimentary
Quartz (Milky/Vein Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Strawberry Quartz (Hematoid Quartz)
Silicon Dioxide with Hematite inclusions (SiO2 + Fe2O3)
mineral
Yellow Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Chert (Red/Pink Jasper subtype)
Silicon Dioxide (SiO2)
sedimentary
Fossiliferous Limestone
CaCO3 (principally Calcite or Aragonite)
sedimentary
Garden Quartz (Lodalite)
Silicon Dioxide (SiO2) with various inclusions
mineral
Yellow Chert
Sedimentary cryptocrystalline quartz (SiO2)
sedimentary
Quartz / Iron-Stained Quartz
Silicon Dioxide (SiO2) with iron oxide inclusions/staining
mineral
Jasper containing fossilized inclusions
Silicon Dioxide (SiO2) with trace impurities and biogenic inclusions
sedimentary
Ferruginous Quartz (Iron-Stained Quartz)
Quartz (Silicon Dioxide) with Iron Oxide inclusions (SiO2 + Fe2O3)
mineral
Green Jasper (with Quartz veining)
Jasper (Silica-rich microcrystalline variety of Quartz), formula: SiO2
sedimentary
Satin Spar (Selenite)
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O
mineral
Gold-bearing Quartz
Lode Gold in Silicon Dioxide (SiO2)
mineral
Larimar
Pectolite (a blue variety of Pectolite)
Mineral
Banded Chert / Banded Jasper (likely a variety of Chert/Chalcedony)
Chert (microcrystalline quartz)
Metamorphic Rock
Rutilated Quartz (likely Citrine or Smoky Quartz with Rutile inclusions)
SiO2 with TiO2 inclusions (Quartz with Rutile)
Mineral
Quartz (Iron-Stained)
Silicon Dioxide (SiO2)
mineral
Quartz River Cobble
Silicon Dioxide (SiO2)
Mineral (Primary constituent)
Gabbro
Gabbro (mafic intrusive igneous rock)
igneous
Moonstone
Adularia or Orthoclase (KAlSi3O8) or Albite (NaAlSi3O8), specifically with lamellar exsolution of albite and orthoclase.
mineral
Chert
Chert (microcrystalline quartz, SiO2)
Sedimentary
Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Pink Botswana Agate
Silicon Dioxide (SiO₂), a cryptocrystalline variety of Quartz and Chalcedony
sedimentary
Green Quartz (Prasiolite/Adventurine/Jasper)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Chert / Flint
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (Tan/Brown variety)
Chert (Silicon Dioxide, SiO2)
sedimentary
Chert (Tan/Grey variety)
Silicon Dioxide (SiO2)
sedimentary