Bloodstone (Heliotrope)
Cryptocrystalline Quartz (SiO2) with inclusions of Hematite or Chlorite
Category
Browse not a rock (animated character) specimens identified by the Rock Identifier community.
Bloodstone (Heliotrope)
Cryptocrystalline Quartz (SiO2) with inclusions of Hematite or Chlorite
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Serpentine
Antigorite/Lizardite (Mg,Fe)3Si2O5(OH)4
Greenstone (Greenschist)
Greenschist facies rock (containing chlorite, actinolite, and epidote)
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
Greenschist
Greenschist (containing Chlorite, Epidote, and Actinolite)
Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Fossil Coral
Tabulate Coral (potentially Favosites or Calapoecia)
Pyrite
Iron Sulfide (FeS2)
Smoky Quartz
Silicon Dioxide (SiO2)
Agate
SiO2
Yellow Jasper (Iron-stained Chert)
Silicon Dioxide (SiO2) with iron oxide (Limonite/Goethite) inclusions
Ferruginous Quartz (Iron-stained Quartz)
Quartz with Iron Oxide inclusions (SiO2 with Fe2O3)
Jasper
Jasper (Silicate mineral, SiO2)
Red Jasper
Jasper (Silicon Dioxide, SiO2)
Pyrite
Iron Disulfide (FeS2)
Granite
Phaneritic Plutonic Felsic Rock
Vesicular Basalt
Aphanitic Mafic Igneous Rock (with vesicles)
Serpentine
Antigorite / Lizardite / Chrysotile [(Mg,Fe)3Si2O5(OH)4]
Milky Quartz
Silicon Dioxide (SiO2)
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Granite (Pink/Red Granite)
Phaneritic Felsic Igneous Rock
Slate
Foliated Metamorphic Rock (composed primarily of silica and alumina with iron and magnesium)
Eclogite
Eclogite (Omphacite + Pyrope)
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Shale with Iron Oxide Staining
Fissile Mudstone (primarily clay minerals and quartz)
Potassium Feldspar (Orthoclase)
Orthoclase (KAlSi3O8)
Hematite Nodules (Moqui Marbles style)
Iron Oxide (Fe2O3)
Blue Apatite
Apatite, Ca5(PO4)3(F,Cl,OH)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Drupa or Druzy Quartz on Geode Fragment
Crystalline Silicon Dioxide (SiO2)
Dinosaur Fossil (Skull)
Dinosauria fossilis (Petrified Hydroxyapatite / Calcium Carbonate)
Hematite-rich Ironstone
Ferruginous Rock (Fe2O3)
Dalmatian Stone
Dalmatian Jasper (a trade name for an igneous microcrystalline rock composed mostly of feldspar, quartz, and dravite)
Quartzite pebble
Quartzite (SiO2)
Scoria
Extrusive Mafic Volcanic Rock
Bumble Bee Jasper
Calcite and Volcanic Ash Mixture
Quartzite
Metamorphosed Sandstone (SiO2)
Limonite (Iron Ore)
FeO(OH)·nH2O (Hydrated iron(III) oxide-hydroxide mixture)
Quartzite
Quartzite (SiO2)