Quartz with Iron Staining
Silicon Dioxide (SiO2) with Ferric Iron Oxides
Category
Browse sedimentary rock (possibly conglomerate or breccia with a quartz vein) specimens identified by the Rock Identifier community.
Quartz with Iron Staining
Silicon Dioxide (SiO2) with Ferric Iron Oxides
Milky Quartz
Crystalline Silicon Dioxide (SiO2)
Fossilized Brachiopod or Gastropod in Chert/Limestone
Phylum Brachiopoda / Mollusca
Green Jasper with Quartz veins
Jasper (Silicon Dioxide, SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Sandstone
Sedimentary Rock (Quartz arenite or arkose)
River-worn Chert
Microcrystalline Quartz (SiO2)
Green Calcite or Prasiolite (Green Quartz)
Calcium carbonate (CaCO3) or Silicon dioxide (SiO2)
Sandstone (Pebble)
Arenite
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Rose Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Sandstone (Weathered / Crushed)
Quartz Sandstone
Rose Quartz in Matrix
Silicon Dioxide (SiO2) with traces of Titanium, Iron, or Manganese
White Quartz
Silicon Dioxide (SiO2)
Bivalve Fossil
Bivalvia (Phylum Mollusca)
Quartz Geode Fragment
Silicon Dioxide (SiO2)
Jasper (Red Jasper)
Silicon Dioxide (SiO₂)
Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Red Quartzite Pebble
Meta-quartzite (SiO2 with Hematite inclusions)
Jasper
Chalcedony (Microcrystalline Quartz) - SiO2
Diorite with Quartz Veins
Diorite
Sandstone
Sedimentary rock composed mainly of sand-sized minerals or rock grains
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Native Gold
Native Gold (Au)
Gold Nugget
Native Gold (Au)
Green Quartzite
Quartzite (primarily SiO2 with chlorite inclusions)
Milky Quartz
Silicon Dioxide (SiO2)
Sandstone
Clastic sedimentary rock (Quartz arenite or Arkose)
Sandstone
Arenite (primarily SiO2)
Basalt with Quartz Veining
Basalt (SiO2-rich veins)
Basalt with Quartz/Calcite Veins
Aphanitic Mafic Igneous Rock with Hydrothermal Veining
Amethyst
Silicon Dioxide (SiO2) with Iron impurities
Quartz Sandstone
Quartz Arenite
Quartzite
Quartzite (SiO2)
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)