Jasper
Silicon dioxide (SiO2)
Category
Browse metamorphic or sedimentary (with staining) specimens identified by the Rock Identifier community.
Jasper
Silicon dioxide (SiO2)
Agate (Carnelian-like)
Chalcedony (Silicon Dioxide, SiO2)
Quartz
Quartz (SiO2 - Silicon Dioxide)
Rough Emerald
Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)
Milky Quartz with Iron Oxide Staining
Quartz (Silicon Dioxide, SiO2)
Sandstone (Ferruginous)
Arenite (Fe-bearing Clastic Sedimentary Rock)
Quartzite Pebble (with Iron Staining)
Quartzite (mainly SiO2)
Sandstone (with Manganese staining)
Arenite (composed primarily of SiO2)
Ferruginous Sandstone
Sandstone with Iron Oxide (Limonite/Goethite)
Ferruginous Sandstone
Sandstone (arenite) with Limonite/Goethite cement
Quartzite Pebble
SiO2 (Silicon Dioxide)
Quartzite (Yellow/Iron-stained Quartz)
Quartzite (primarily SiO2 with iron oxide impurities)
Sandstone (Ferruginous)
Arenite (Fe2O3 dominant staining)
Limonite (Iron Ore)
Limonite (Hydrous iron(III) oxide-hydroxide mixture, primarily FeO(OH)·nH2O)
Ferruginous Quartz
Silicon Dioxide (SiO2) with Hematite/Limonite inclusions
Quartz
Silicon Dioxide (SiO2)
Quartz
Quartz (SiO₂ - Silicon Dioxide)
Yellow Quartzite (River Pebble)
Quartzite (SiO2 with iron oxide impurities)
Quartzite with Hematite staining
Quartzite (SiO2)
Quartzite with Hematite
Silica (SiO2) with Ferric Oxide (Fe2O3) inclusions
Red Quartzite
Quartzite (SiO2)
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
Quartz (River Cobble)
Silicon Dioxide (SiO2)
Milky Quartz (or Iron-Stained Quartz)
Quartz (Silicon Dioxide, SiO2)
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
Quartzite (with Iron Staining)
Metamorphosed Quartz Sandstone (SiO2)
Quartzite with Iron Inclusions
Quartzite (largely SiO2) with Hematite/Limonite staining (Fe2O3)
Quartzite (Iron-stained)
Quartzite (mostly SiO2 with Fe2O3 impurities)
Quartz (Microcrystalline/Chert)
Silicon Dioxide (SiO2)
Quartzite with Iron Inclusions
Metamorphosed Quartz Sandstone (SiO2 with Fe2O3)
Quartz (Iron-Stained Quartz Pebble)
Silicon Dioxide (SiO2)
Ferruginous Sandstone (Ironstone)
Sandstone with Hematite/Goethite cement (SiO2 + FeO(OH))
Sandstone (Iron-stained)
Clastic sedimentary rock (SiO2 with Fe2O3 staining)
Quartzite River Rock
Metamorphic Quartzite (primarily SiO2)
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
Ferruginous Quartzite (Red Quartz)
Quartzite (SiO2 with Hematite/Iron impurities)
Quartzite (River Cobble)
SiO2 (Quartz-rich Metamorphic Rock)
Red Sandstone (Iron-rich)
Ferruginous Sandstone (variable formula, primarily SiO2 + Fe2O3)
Milky Quartz with Iron Inclusions
Quartz (Silicon Dioxide, SiO2)
Engineer Quartz/Quartzite
SiO2 (Silicon Dioxide with binders)
Iron-stained Quartz (with Limonite/Hematite)
Silicon Dioxide (SiO2) with Iron Oxide inclusions (FeO(OH) or Fe2O3)