Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Category
Minerals
Browse minerals specimens identified by the Rock Identifier community.
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Gold Flakes
Native Gold (Au)
mineral
Quartz (Milky Quartz)
Quartz (Silicon Dioxide, SiO2)
mineral
Lepidolite in Quartz (Obelisk)
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lepidolite)
metamorphic
Botryoidal Hematite (included in Quartz/Limonite matrix)
Fe2O3 (Hematite) on Quartz (SiO2) / Limonite
mineral
Pink Feldspar
Orthoclase Feldspar (KAlSi3O8)
mineral
Limonite (Iron Ore Congcretion)
Limonite (a mixture of hydrated iron(III) oxide-hydroxides, FeO(OH)·nH2O)
mineral
Schist
Mica Schist (primarily consisting of muscovite, biotite, and quartz)
metamorphic
Concrete with Aggregate
Artificial Conglomerate (Cement and Aggregate)
sedimentary
Schist
Mica Schist
metamorphic
Rhodochrosite
Manganese Carbonate (MnCO3)
mineral
Gneiss
Gneiss
metamorphic
Granite Cobble
Granite
igneous
Gneiss
Gneiss
metamorphic
Pink Granite
Phaneritic intrusive igneous rock (Granite)
igneous
Rough Diamond
Carbon (C)
mineral
Diamond
Native Carbon (C)
mineral
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Diamond
Diamond (pure carbon C)
mineral
Granodiorite
Phaneritic Plutonic Intermediate-Felsic Rock
igneous
Sandstone
Arenite (primarily SiO2)
sedimentary
Granite
Phaneritic plutonic rock (Quartz, Feldspar, Mica)
igneous
Not a geological specimen
N/A (man-made object)
N/A
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Diamond
Carbon (C)
mineral
Chert (Chalcedony/Agate)
Microcrystalline Quartz (SiO2)
sedimentary
Pink Granite
Phaneritic Felsic Igneous Plutonic Rock
igneous
Sodalite
Sodalite, Na8(Al6Si6O24)Cl2
mineral
Halite (Rock Salt)
Sodium Chloride (NaCl)
mineral
Granite
Granite (High-silica plutonic rock)
igneous
Rough Diamond
Carbon (C)
mineral
Gneiss
Gneiss (Metamorphic rock composed primarily of Quartz, Feldspar, and Mica/Amphibole)
metamorphic
Metal Chain Belt with Square Plates
Not applicable (man-made)
Man-made Object (Metalwork)
Schist (Garnet-Mica Schist)
Garnet-Mica Schist
metamorphic
Granite Pebble
Granite (composition of Quartz, Alkali Feldspar, and Plagioclase)
igneous
Chert (often found as Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Gabbro (River Cobble)
Gabbro (mafic intrusive rock)
igneous
Eudialyte
Eudialyte (Na4(Ca,Ce)2(Fe2+,Mn,Y)ZrSi8O22(OH,Cl)2)
mineral
Granite Pebble
Phaneritic Felsic Igneous Rock
igneous
Granite
Granite (composed primarily of Quartz, Feldspar, and Mica)
igneous
Amygdaloidal Basalt
Amygdaloidal Basalt
igneous
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral