Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Category
Mineral (Synthetic)
Browse mineral (synthetic) specimens identified by the Rock Identifier community.
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Eudialyte in Matrix
Eudialyte (Na4(Ca,Ce)2(Fe2+,Mn,Y)ZrSi8O22(OH,Cl)2)
mineral
Magnetite with Pyrite or Chalcopyrite inclusions
Magnetite (Fe3O4) with Pyrite (FeS2)
mineral
Quartz (Riverstone / Cobble)
Silicon Dioxide (SiO2)
mineral
Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic volcanic rock including secondary mineral infills)
Igneous
Sandstone (Quartzose)
Arenite (primarily SiO2)
sedimentary
Copper Ore
Native Copper (Cu) often found with Chalcocite (Cu2S) or Bornite (Cu5FeS4)
mineral
Red Ochre (Hematite-rich Clay)
Limonitic/Hematitic Claystone (Fe2O3 with clay minerals)
Sedimentary
Jasper or Agate with Chlorite Inclusions
Silicon Dioxide (SiO2) with Chlorite group minerals
sedimentary
Pyrite
Iron Disulfide (FeS2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Aventurine (likely Green Aventurine)
Quartz (SiO2) with included minerals (Fuchsite or Chlorite for green color)
Mineral
Chakra Stone Bracelet (mixed gemstones)
Multi-mineral/Gemstone assembly (primarily Quartz variety beads)
mineral
Rough Ruby
Corundum (Al2O3 with Chromium impurities)
mineral
Blue Celestite (with Galena)
Strontium sulfate (SrSO4) and Lead sulfide (PbS)
mineral
Seashell (Calcium Carbonate)
Calcium Carbonate (CaCO3)
mineral
Schist
Mica Schist
metamorphic
Granite (Light-colored quartz/feldspar variety)
Granite (composed primarily of Quartz SiO2 and Feldspar KAlSi3O8)
igneous
Greenschist
Greenschist (Chlorite-actinolite schist)
metamorphic
Man-made Slag (Industrial Byproduct)
Anthropogenic Glassy Residue
not a natural rock
Moonstone (Feldspar)
Orthoclase (KAlSi3O8) or Albite (NaAlSi3O8)
mineral
Breciated Limestone with Calcite Veins
Sedimentary Breccia (CaCO3)
sedimentary
Greywacke (River Slikenside)
Greywacke (Lithic Sandstone)
sedimentary
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Quartz with Iron Oxide Inclusions
Silicon Dioxide (SiO2) with Hematite/Limonite
mineral
Clear/White Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Pyrite (FeS2)
mineral
Fluorite
Fluoride (Calcium Fluoride - CaF2)
mineral
Granite
Granite (Phaneritic Igneous Rock)
igneous
Greenschist (Greenstone)
Chlorite Schist / Greenschist Facies Rock
metamorphic
Dendrite (Manganese Oxide Dendrites)
Psilomelane or Pyrolusite on Matrix (typically MnO2)
mineral
Ferrochrome Slag
Anthropogenic slag (Fe-Cr alloy waste)
industrial byproduct
Aventurine
Silicon Dioxide with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
mineral
Granite
Granite (Felsic Plutonic Rock)
igneous
Ferruginous Sandstone (River Pebble)
Clastic Sedimentary Rock (primarily SiO2 with Fe2O3 cement)
sedimentary
Sandstone (Micaceous)
Clastic Sedimentary Rock (primarily SiO2 with Mica)
sedimentary
Granite (Weathered River Rock)
Granite (Phaneritic Igneous Rock)
igneous
Granite cobble
Granite (composed primarily of Quartz, Feldspar, and Mica)
igneous
Granite
Granite (High-silica plutonic rock)
Igneous
Diamond
Diamond (C)
mineral
Quartz Vein in Pelite (Metamorphic Rock)
Hydrothermal Quartz Veining in Metasedimentary Rock (SiO2)
metamorphic
Basalt with Plagioclase Phenocrysts (Porphyritic Basalt)
Porphyritic Basalt (Mafic volcanic rock)
igneous