Magnetite / Iron Ore
Magnetite (Fe3O4)
Category
Browse mineral (man made aura treatment) specimens identified by the Rock Identifier community.
Magnetite / Iron Ore
Magnetite (Fe3O4)
Chert Nodule (Fossiliferous Chert)
Microcrystalline Quartz (SiO2)
Quartz / Quartzite
Silicon Dioxide (SiO2)
Greenschist with Quartz Veining
Greenschist (commonly containing Chlorite, Actinolite, and Epidote)
Green Jasper
Silicon Dioxide (SiO2) with impurities
Fossilized Crab Carapace (Concretion)
Decapoda (fossil), typically preserved in calcite or siderite concretion
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Serpentinite
Serpentinite (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4
Hematite
Iron(III) oxide (Fe2O3)
Jasper (specifically Yellow/Red Jasper)
Silicon Dioxide (SiO2) with iron oxide inclusions
Quartzite
Quartzite (primarily SiO2)
Granite
Granite (Phaneritic Quartz-Feldspar Felsic Rock)
Tree Agate
Dendritic Chalcedony (SiO2)
Dendritic Quartz Pebble
Silicon Dioxide (SiO2) with Manganese/Iron oxide inclusions
Greenstone / Diorite
Intermediate plutonic igneous rock
Sandstone (with garnet granules)
Clastic sedimentary rock (primarily SiO2 with Fe3Al2(SiO4)3 inclusions)
Olivine in Basalt (Peridotite Xenolith)
Forsterite-rich Olivine (Mg2SiO4) in Aphanitic Basalt
Granite
Granite (Felsic Plutonic Rock)
Galena
Lead Sulfide (PbS)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz Geode
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Halite
Halite (Sodium Chloride, NaCl)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Biotite Mica
K(Mg, Fe)3AlSi3O10(F, OH)2
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Quartz (Milky/Granular)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Rough Quartz (likely Rose or Smoky variant)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Clear Quartz/Rock Crystal)
Silicon Dioxide (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Clear Quartz
Quartz (Silicon Dioxide - SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Clear/White)
Silicon Dioxide (SiO2)