Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
Category
Browse man made byproduct (non geological) specimens identified by the Rock Identifier community.
Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
Milky Quartz
Silicon Dioxide (SiO2)
Quartzite Pebble (River Rock)
Quartzite (primarily SiO2)
Diamond (or Cubic Zirconia)
C (Carbon) or ZrO2 (Zirconium Dioxide)
New Jade (Serpentine)
Antigorite / Serpentine Group (Mg3Si2O5(OH)4)
Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
Quartzite (specifically a river-worn pebble)
Quartzite (primarily SiO2)
Milky Quartz with Mineral Inclusions
Quartz (Silicon Dioxide, SiO2)
Ironstone Nodule (Ironstone Concretion)
Siderite-rich Mudstone (FeCO3) or Limonite (FeO(OH)·nH2O)
Sandstone, Quartzite, and River Pebbles
Silicon Dioxide (SiO2) based Sedimentary/Metamorphic structures
Sandstone (Stream-rounded)
Arenite (SiO2 based)
Quartzite with Quartz Geode / Vug
Crystalline Silicon Dioxide (SiO2) in Metamorphic Host
Sandstone
Clastic sedimentary rock (primarily SiO2)
Quartzite
Quartzite (mainly SiO2)
Sandstone (with Iron Oxide)
Arenite with Limonite/Hematite staining
Quartzite
Quartzite (primarily SiO2)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Red Sandstone
Arenite (with Iron Oxide pigmentation)
Quartzite
Metamorphic Quartzite (SiO2)
Milk Quartz (Tumbled Pebble)
Quartz (Silicon Dioxide, SiO2)
Quartzite
Quartzite (SiO2)
Sandstone (likely Quartzose Sandstone)
Arenite (primarily SiO2)
Sandstone
Clastic Sedimentary Rock (composed primarily of Quartz: SiO2)
Quartzite
Metamorphosed Quartz Sandstone (primarily SiO2)
Quartzite
Quartzite (SiO2)
Quartz (Iron-Stained)
Silicon Dioxide (SiO2)
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Quartzite
Quartzite (SiO2)
Chert (Iron-stained)
Chert (Silicon Dioxide, SiO2)
Quartz (Milky Quartz with Iron Staining)
Silicon Dioxide (SiO2)
Jasper (Iron-rich)
Silicon Dioxide (SiO2) with Hematite (Fe2O3) impurities
Quartzite
Quartzite (SiO2)
Tree Agate
Silicon Dioxide (SiO2) with dendritic inclusions
Rose Quartz
SiO2 (Silicon Dioxide with trace inclusions)
Quartzite
Quartzite (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Banded Agate (Chert/Chaldcedony)
Silicon Dioxide (SiO₂)
Jasper
Silicon dioxide (SiO2)
Quartzite
Quartzite (primarily SiO2)
Red Sandstone
Arenite (primarily Quartz with Hematite cement)
Sandstone (Ferruginous)
Arenite (Fe2O3 rich)