Selenite (Satin Spar)
Gypsum (CaSO4·2H2O)
Category
Browse anthropogenic material (man made sedimentary mimic) specimens identified by the Rock Identifier community.
Selenite (Satin Spar)
Gypsum (CaSO4·2H2O)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Banded Iron Formation (BIF) / Iron Ore
Banded Iron Formation (composed primarily of Hematite (Fe2O3) and Magnetite (Fe3O4) with Quartz/Chert)
Limonite with Hematite
Limonite (FeO(OH)·nH2O) and Hematite (Fe2O3)
Fluorite
Calcium Fluoride (CaF2)
Limonite (Iron Ore)
FeO(OH)·nH2O (Hydrous ferric oxide)
Clear Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Clear/White Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Bornite
Bornite (Cu5FeS4)
Ironstone (with Limonite/Goethite)
Ferruginous Sedimentary Rock (contains Limonite FeO(OH)·nH2O and Hematite Fe2O3)
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Sandstone
Arenite (SiO2 primarily)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Rose Quartz
Silicon dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Chert / Jasper
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Kyanite in Quartz
Kyanite (Al2SiO5) with Quartz (SiO2) matrix
Hematite
Iron(III) oxide (Fe2O3)
Clear Quartz
Silicon Dioxide (SiO2)
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
Sandstone
Arenite (SiO2 based)
Chert (specifically Flint or Common Chert)
Chert (Cryptocrystalline Silica, SiO2)
Green Fluorite
Fluorite (Calcium Fluoride - CaF2)
Rhodonite with Manganese Oxides
Rhodonite (Mn,Fe,Mg,Ca)SiO3
Red Jasper (possibly Carnelian)
Silicon Dioxide (SiO2) with Hematite impurities
Sandstone
Arenite (composed primarily of SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartzite
Quartzite (SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Fluorite
Calcium Fluoride (CaF2)
Ironstone Concretion
Limonitic/Hematitic Concretion
Fluorite (Blue)
Calcium Fluoride (CaF2)
Jasper
Silicon Dioxide (SiO2)
Carnelian (Chalcedony)
Silicon Dioxide (SiO2)
Red Jasper
Jasper (Silicon Dioxide with Iron Oxide impurities), formula: SiO2
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
Green Calcite
Calcium Carbonate (CaCO3)
Jasper
Silicon dioxide (SiO2) with iron oxide inclusions
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
River Rock (likely Siltstone or fine-grained Sandstone)
Clastic Sedimentary Rock