Citrine
Citrine (Silicon Dioxide - SiO2)
Category
Browse mineral (variant of quartz) specimens identified by the Rock Identifier community.
Citrine
Citrine (Silicon Dioxide - SiO2)
Ferruginous Quartz
Quartz (Silicon Dioxide, SiO2) with Iron Oxides
Yellow Quartz (Citrine-colored Quartz)
Silicon Dioxide (SiO2)
Breciated Chert
Brecciated Chert (Microcrystalline Quartz, SiO2)
Gneiss with Quartz Vein
Gneiss containing Quartz (SiO2) filler
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) in matrix
Blue Sphalerite (likely dyed or treated Druzy Quartz/Agate)
Zinc Sulfide (ZnS) or Silicon Dioxide (SiO2) with trade-name enhancement
Quartz Pebble
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
Ferruginous Quartz
Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions
Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz on Basalt
Silicon Dioxide (SiO2) on Mafic Igneous Rock
Quartz (Crystal Fragment)
Quartz / Silicon Dioxide (SiO2)
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Druzy Quartz
Silicon Dioxide (SiO2)
Quartzite
Quartzite (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Limonite and Goethite encrusted Quartz (Iron-stained Gossan)
FeO(OH)·nH2O (Limonite) / FeO(OH) (Goethite) on SiO2 (Quartz)
Banded Gneiss
Gneiss (pronounced 'nice')
Quartz (Milky Quartz with Iron Staining)
Silicon Dioxide (SiO2)
Granite (Core Sample)
Phaneritic Felsic Igneous Rock (Granite)
Geode (Unopened)
Silicon Dioxide (SiO2) in sedimentary vugs
Granite
Granite (a plutonic rock)
Quartz Druzy (on Calcedony/Quartz base)
Silicon Dioxide (SiO2)
Granite
Granite (Mainly Quartz, Feldspar, and Mica/Amphibole)
Granite
Granite (Mainly Quartz, Feldspar, and Mica/Amphibole)
Granite
Phaneritic Felsic Intrusive Igneous Rock
Granite
Granite (Alkali-feldspar, Quartz, and Plagioclase composition)
Granite
Phaneritic Felsic Igneous Rock (primarily Quartz, Feldspar, and Mica)
Quartzite
Quartzite (primarily SiO2)
Quartz Geode (Nodule)
Silicon Dioxide (SiO2)
Blue Quartz (Aventurine)
Silicon Dioxide (SiO2) with inclusions of Dumortierite or Magnesio-riebeckite