Bull Quartz (White Quartz)
Silicon Dioxide (SiO2)
Category
Browse organic (non geological) specimens identified by the Rock Identifier community.
Bull Quartz (White Quartz)
Silicon Dioxide (SiO2)
Boxwork Siderite or Sepatarian Nodule Weathering
Siderite (FeCO3) with secondary mineralization or Boxwork Geode fragment
Ferruginous Sandstone (with ripple marks)
Arenite with Iron-Oxide (Fe2O3) cement
Rose Quartz
Silicon Dioxide (SiO2)
Carnelian
Carnelian (Microcrystalline Quartz, SiO2 with Fe2O3 impurities)
Yellow Jasper
Silicon Dioxide with Iron inclusions (SiO2)
Quartz (Druzy Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Grey Agate (Banded Chalcedony)
Agate (Silicon Dioxide - SiO2)
Milky Quartz
Quartz (Silica / Silicon Dioxide, SiO2)
Milky Quartz Pebble
Silicon dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Quartz with Iron Oxide Inclusions
SiO2 with Fe2O3 impurities
Jasper
Silicon dioxide (SiO2)
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz (Vein Quartz)
Silicon Dioxide (SiO2)
Quartzite
Quartzite (composed primarily of SiO2)
Yellow Jasper
Jasper (Silicon Dioxide, SiO2)
Dalmation Stone (often called Dalmatian Jasper)
Peralkaline Rock (Microgranite/Aplite), SiO2 with inclusions of Arfvedsonite
Yellow Jasper
Silicon Dioxide (SiO2) with Goethite or Iron Oxide inclusions
Druzy Quartz on Host Rock
Silicon Dioxide (SiO2)
Shale
Fissile Siliciclastic Sedimentary Rock
Sandstone
Arenite (composed primarily of Quartz: SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace elements of Titanium, Iron, or Manganese
Jasper and Agate (Polished Pebble)
Chalcedony (SiO2 with impurities)
Bull Quartz (Milky Quartz)
Quartz (Silicon Dioxide - SiO2)
Carnelian (a variety of Chalcedony)
Silicon Dioxide (SiO₂)
Jasper (Yellow/Brown variety)
Silicon Dioxide (SiO2) with iron oxide impurities
Ferruginous Quartz
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Milky Quartz Vein with Matrix
Silicon Dioxide (SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartz (Milky/Vein Quartz)
Silicon Dioxide (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Red Jasper (specifically Brecciated Jasper)
Silicon Dioxide (SiO2) with Hematite inclusions
Quartzite
Quartzite (SiO2)
Granite Pebble
Granite (a phaneritic intrusive igneous rock consisting of quartz, alkali feldspar, and plagioclase)
Milky Quartz (with Iron Oxide staining)
Quartz (Silicon Dioxide - SiO2)
Yellow Quartz (Iron-Stained Quartz)
Silicon Dioxide (SiO2) with iron oxide inclusions
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartzite
Quartzite (primarily SiO2)