Milky Quartz
Silicon Dioxide (SiO2)
Category
Browse sedimentary rock (possibly conglomerate or breccia with a quartz vein) specimens identified by the Rock Identifier community.
Milky Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Jasper and Greenstone Pebble
Siliceous rock / Metamorphic pebble
Sandstone (with Iron Staining)
Clastic Sedimentary Rock (primarily Quartz with Limonite/Goethite staining)
Quartz (Smoky/Milky)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Sandstone Pebble
Sedimentary quartz arenite
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Banded Iron Formation (Fragment)
Banded Iron Formation (BIF)
Orange Quartz
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Carnelian Agate
Silicon Dioxide (SiO2)
Green Aventurine
Silicon dioxide (SiO2) with fuchsite inclusions
Agate (Chalcedony)
Silicon Dioxide (SiO2)
Jasper with Quartz Druzy
Silicon Dioxide (SiO2)
Quartz Geode (Druzy Quartz)
Silicon Dioxide (SiO2)
Sandstone (with secondary weathering/concretion)
Arenite (composed primarily of Quartz, SiO2)
River Cobble (Quartzite / Sandstone Gravel)
SiO2 (Quartz-rich sedimentary/metamorphic rock)
Quartz Crystal
Silicon Dioxide (SiO2)
Pyrite on Quartz
Iron Sulfide (FeS2) on Silicon Dioxide (SiO2)
Basalt with Calcite Veins
Basalt (containing CaCO3 inclusions)
Sandstone
Arenite (SiO2 principal)
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Amethyst
Quartz (Silicon Dioxide with iron impurities), SiO2
Blue Topaz
Al2SiO4(F,OH)2
Milky Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Sandstone Pebble
Sedimentary Clastic Rock (Quartz Arenite)
Milky Quartz Geode / Chalcedony Nodule
Quartz (Silicon Dioxide - SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Chert Geode or Nodule
Microcrystalline Quartz (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)