Quartz Druze on Matrix
Silicon Dioxide (SiO2)
Category
Browse sedimentary (artificial) specimens identified by the Rock Identifier community.
Quartz Druze on Matrix
Silicon Dioxide (SiO2)
Limonite (Iron Ore)
Limonite (Hydrated Iron Oxide, FeO(OH)·nH2O)
Yellow Quartzite (or Quartz River Pebble)
Silicon Dioxide (SiO2)
Amber
Amber (C10H16O)
Amber
Succinite (specifically for Baltic amber); Fossilized Tree Resin (C10H16O)
Quartzite (clastic/metamorphic subtype)
Quartzite (primarily Silicon Dioxide, SiO2)
Petrified Wood
Silicified Wood (SiO2)
Chert (Yellow Jasper)
Silicon Dioxide (SiO2)
Limestone
Calcium Carbonate (CaCO3)
Quartz Geode (River Cobble)
Silicon Dioxide (SiO2)
Red Sandstone (Siltstone/Mudstone variety)
Ferruginous Sandstone (composed primarily of Quartz with Hematite cementation)
Chert (specifically Tan/Yellow Chert)
Chert (Microcrystalline or Cryptocrystalline Silica, SiO2)
Sandstone
Sandstone (lithified sand)
Chert
Chert (microcrystalline quartz, SiO2)
Pyrite
Iron Sulfide (FeS2)
Amber
Succinite
Quartz / Quartzite
Silicon Dioxide (SiO2)
Limonite (Ironstone)
Limonite (Hydrated iron(III) oxide-hydroxide, FeO(OH)·nH2O)
Red Quartzite
Quartzite (SiO2)
Quartz (likely Yellow/Orange variety, possibly Citrine or Chalcedony with iron staining)
Quartz (SiO₂)
Pyrite
Pyrite (Iron Disulfide), FeS2
Garnet in Host Rock
Garnet Group (A3B2(SiO4)3)
Clear Quartz
Silicon Dioxide (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Gneiss
Foliated Metamorphic Rock
Quartz
Silicon Dioxide (SiO2)
Yellow Chalcedony (Agate)
Silicon Dioxide (SiO2)
Flint (Chert)
Cryptocrystalline Silica (SiO2)
Ferruginous Quartz
Silicon Dioxide (SiO2) with Hematite/Limonite impurities
Pyrite in Matrix
Iron Disulfide (FeS2)
Pyrite
Iron Sulfide (FeS2)
Howlite
Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)
Rhodochrosite
Manganese Carbonate (MnCO3)
Chert (Yellow Jasper)
Microcrystalline Quartz (SiO2)
Chert (v. Flint)
Chert (Microcrystalline Quartz, SiO2)
Chert / Flint
Chert (Microcrystalline Quartz, SiO2)
Banded Chert
Silicon Dioxide (SiO2)
Chalcedony
Chalcedony (SiO2)
Quartz (Agate or Chert pebble)
Silicon Dioxide (SiO2)
Chert
Microcrystalline silica (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz pebble
Silicon Dioxide (SiO2)