Specular Hematite (Specularite)
Iron(III) oxide (Fe2O3)
Category
Browse not a rock (animated character) specimens identified by the Rock Identifier community.
Specular Hematite (Specularite)
Iron(III) oxide (Fe2O3)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Moonstone
Orthoclase Feldspar ((K,Na)AlSi3O8) with Albite
Serpentinite
Serpentinite (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4
Garnet (likely Almandine or Pyrope)
Garnet Group (Fe3Al2Si3O12 or Mg3Al2Si3O12)
Clear/White Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Almandine Garnet in Matrix
Almandine, Fe3Al2(SiO4)3
Basalt
Basalt (Mafic volcanic rock)
Agate
Silicon Dioxide (SiO2) - Variety of Chalcedony
Banded Agate
Cryptocrystalline Quartz (SiO2)
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
Dendritic Agate
Silicon Dioxide (SiO2) with inclusions
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Brecciated Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Muscovite Mica
Muscovite KAl2(AlSi3O10)(OH)2
Quartz (Milky or Smoky variety)
Silicon Dioxide (SiO2)
Bloodstone
Heliotrope (Cryptocrystalline Quartz, SiO2)
Green Aventurine
Silicon dioxide (SiO2) with fuchsite inclusions
Yellow Chalcedony
Cryptocrystalline Quartz (SiO2)
Serpentine
Antigorite, Lizardite, or Chrysotile (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4
Green Chert
Microcrystalline Quartz (SiO2)
Chert (Jasper)
Silicon Dioxide (SiO2)
Gold Nugget
Native Gold (Au)
Moss Agate and Druzy Quartz Carving
Cryptocrystalline Silica (SiO2) with impurities
Greenstone
Metabasalt / Chlorite Schist
Red Jasper
Jasper (Silicon Dioxide) - SiO2
Quartzite
Quartzite (primarily SiO2)
Bauxite / Iron-rich Laterite
Laterite (principally Al(OH)3, Fe2O3, and SiO2)
Blue Zircon
Zirconium Silicate (ZrSiO4)
Bloodstone (Heliotrope)
Silicon Dioxide (SiO2) - Variety of Chalcedony/Jasper
Pyrite
Iron Sulfide (FeS2)
Amethyst
Crystalline Silicon Dioxide with Iron impurities (SiO2)
Citrine
Silicon Dioxide (SiO2)
Green Fluorite
Fluorite (Calcium Fluoride - CaF2)
Yellow Jasper
Jasper (Silicon Dioxide, SiO2)
Pyrite
Iron Disulfide (FeS2)
Dyed Agate
Agate (Silicon Dioxide, SiO2)
Yellow Jasper
Silicon Dioxide (SiO2) - Opaque Chalcedony
Dragon Blood Jasper
Quartz (SiO2) with Epidote and Piedmontite inclusions
Sodalite
Sodalite [Na8(Al6Si6O24)Cl2]
Kyanite (within Quartz)
Kyanite (Al2SiO5) in crystalline Quartz base (SiO2)
River Quartz Pitting/Cobble
Silicon Dioxide (SiO2)