Ferruginous Quartz (Iron-stained Quartz)
Silicon Dioxide (SiO2) with Hematite/Goethite inclusions
Category
Browse mineral (variant of quartz) specimens identified by the Rock Identifier community.
Ferruginous Quartz (Iron-stained Quartz)
Silicon Dioxide (SiO2) with Hematite/Goethite inclusions
Quartz (likely milky/gray variety)
Quartz (SiO₂)
Sunstone (variety of Feldspar)
Oligoclase Sunstone, Plagioclase Feldspar (Na,Ca)Al(Si,Al)Si2O8
Blue Quartz (Aventurine)
Silicon Dioxide (SiO2) with fibrous inclusions (commonly Dumortierite)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Native Gold
Gold (Au)
Gneiss (Cobble)
Gneiss
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of Titanium, Iron, or Manganese
Granite
Granite (a plutonic igneous rock composed of quartz, feldspar, and mica)
Ferruginous Quartz
Iron-stained Quartz (Silicon Dioxide, SiO2 with Fe2O3 inclusions)
Quartz Geode (with possible Manganese or Goethite coating)
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Quartz (Silicon Dioxide, SiO2)
Quartz (Milky/Crystalline variety)
Silicon Dioxide (SiO2)
White Quartz
Silicon Dioxide (SiO2)
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
Milky Quartz (with potential inclusion of feldspar)
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz (or Iron-Stained Quartz)
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Quartz (Milky/Common)
Quartz (Silicon Dioxide, SiO2)
Quartz (Milky/Bull Quartz)
Silicon Dioxide (SiO2)
White Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Quartz (with iron oxide staining)
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Quartz
Silicon Dioxide (SiO2)
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
Quartz in Basalt (Xenocryst)
Silicon Dioxide (SiO2) in Mafic Igneous Volcanic Rock
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Ferruginous Quartz
Quartz (Silicon Dioxide) with Iron Inclusion (SiO2 + Fe2O3)