Eudialyte
Eudialyte (Na4(Ca,Ce)2(Fe2+,Mn,Y)ZrSi8O22(OH,Cl)2)
mineral
Category
Mineral Like (Anthropogenic)
Browse mineral like (anthropogenic) specimens identified by the Rock Identifier community.
Biotite Mica in Quartz
Biotite (K(Mg,Fe)3AlSi3O10(F,OH)2) in Quartz (SiO2)
mineral
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
mineral
Smoky Quartz (with complementary stones in jewelry setting)
Smoky Quartz (Silicon Dioxide - SiO2)
mineral
Aquamarine
Beryl (Be3Al2Si6O18)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Peridot
Olivine (Mg, Fe)2SiO4
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Labradorite (Schiller Spar)
(Na,Ca)(Al,Si)4O8
mineral
Rose Quartz
Silicon dioxide (SiO2)
mineral
Chalcedony (Quartz Var.)
Silicon Dioxide (SiO2)
mineral
Amazonite
K(AlSi3O8), Microcline
mineral
Quartz Geode
Crystalline Silicon Dioxide (SiO2) in a Geode
mineral
Dyed Agate
Agate (Silicon Dioxide, SiO2)
Mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Blue Banded Agate (Dyed)
Silicon Dioxide (SiO2) - variety of Chalcedony
mineral
Banded Agate (White Agate)
Chalcedony (Silicon Dioxide, SiO2)
mineral
Pyrite Geode
Iron Disulfide (FeS2)
mineral
Milky Quartz Mushroom Carving
Quartz (Silicon Dioxide, SiO2)
mineral
Agate Geode
Silicon Dioxide (SiO2) - Microcrystalline Quartz
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz Pebble (Water-worn)
Silicon Dioxide (SiO2)
mineral
Dyed Quartz Geode
Silicon Dioxide (SiO2) with artificial pigment
mineral
Goethite / Limonite Gossan
Goethite, FeO(OH)
mineral
Banded Gneiss
Gneiss (High-grade regional metamorphic rock)
metamorphic
Sandstone
Arenite (composed primarily of Quartz, SiO2)
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Desert Rose
Baryte or Gypsum variation (CaSO4·2H2O or BaSO4)
mineral
Chert (Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Ferruginous Quartz
Quartz (Silicon Dioxide) with Iron Inclusion, SiO2
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone with Iron Oxide
Arenite (SiO2 with Fe2O3 staining)
sedimentary
Sandstone (Quartzite-rich River Cobble)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sandstone (with ripple marks)
Arenite / Quartz Sandstone
sedimentary
Green Aventurine
Silicon Dioxide (Quartz) with inclusions of Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)
metamorphic
Schorl (Black Tourmaline) in Quartz and Feldspar
NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
mineral
Milky Quartz with Nephrite Jade
Silicon Dioxide (SiO2) with Ca2(Mg,Fe)5Si8O22(OH)2
mineral/metamorphic
Chert (Common Opal/Chalcedony)
Microcrystalline Quartz (SiO2)
sedimentary
Bauxite
Bauxite (Al(OH)3, γ-AlO(OH), and α-AlO(OH))
sedimentary