Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
mineral
Category
Mineral Like Byproduct (Often Mistaken For Igneous Rock Or Meteorite)
Browse mineral like byproduct (often mistaken for igneous rock or meteorite) specimens identified by the Rock Identifier community.
Quartz pebble
Silicon dioxide (SiO2)
mineral
Tourmaline (Multi-colored)
Complex Borosilicate (Na,Ca)(Li,Mg,Al,Fe)3Al6(BO3)3Si6O18(OH)4
mineral
Quartz (chalcedony variety) or Limestone with Quartz Veins
SiO2 (for Quartz/Chalcedony); CaCO3 (for Limestone)
Mineral or Sedimentary Rock (with mineral inclusions)
Basalt (River Pebble)
Basalt (Mafic Extrusive Igneous Rock)
igneous
Andesite
Andesite (Intermediate Extrusive Igneous Rock)
igneous
Granodiorite
Granodiorite (phaneritic intrusive igneous rock)
igneous
Sandstone (with banding)
Arenite (primarily SiO2)
sedimentary
Pyrite (Fools Gold)
Iron Sulfide (FeS2)
mineral
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Ferruginous Quartz
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions
mineral
Sandstone
Arenite (Sedimentary rock comprising sand-sized grains)
sedimentary
Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
mineral
Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral
Labradorite
Labradorite (a calcium-enriched sodic plagioclase feldspar mineral - (Ca, Na)(Al, Si)4O8)
mineral
Turquoise (set in silver jewelry)
Turquoise - CuAl6(PO4)4(OH)8·4H2O (Hydrated copper and aluminum phosphate)
mineral
Turquoise
CuAl6(PO4)4(OH)8·4H2O
mineral
River Pebble (Gabbro or Dark Sandstone variety)
Mafic Intrusive Rock (Plagioclase Feldspar and Pyroxene)
igneous
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Basalt
Basalt (Extrusive Mafic Igneous Rock)
igneous
Pyrite
Iron Sulfide (FeS2)
mineral
Sandstone
Arenite (SiO2 based with various mineral cements)
sedimentary
Gneiss (specifically Micaceous Gneiss)
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Milky Quartz
Crystalline Silicon Dioxide (SiO2)
mineral
Basaltic Tuff / Volcanic Breccia
Pyroclastic Breccia / Lithic Tuff
igneous
Quartzite
Quartzite (primarily SiO2)
metamorphic
Granite
Phaneritic intrusive igneous rock
igneous
Red Sandstone
Arenite (Ferruginous Sandstone)
sedimentary
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
mineral
Quartz with Hematite Staining
Silicon Dioxide (SiO2) with Ferric Oxide (Fe2O3) inclusions
mineral
Chinese Writing Stone
Porphyritic Basalt (or Andesite) with Feldspar inclusions
igneous
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Epidosite
Epidosite (Metasomatic rock consisting mainly of Epidote and Quartz)
metamorphic
Red Granite
Phaneritic Felsic Igneous Rock
igneous
Dendritic Agate
Silicon Dioxide (SiO2) with manganese/iron inclusions
mineral
Amethyst
Amethyst (variety of Quartz, SiO2)
mineral
Quartz Geode
Quartz (Silicon Dioxide - SiO2) within a Chalcedony and Limonite shell
sedimentary
Schorl (Black Tourmaline) in Quartz or Feldspar Matrix
NaFe3Al6(BO3)3Si6O18(OH)4 (Schorl) in Granitic Pegmatite
igneous
Granite (Weathered)
Grano-diorite / Granite (SiO2 rich intrusive rock)
igneous
Basalt with Vesicle/Vug
Basalt (Aphanitic Mafic Igneous Rock)
igneous
Druzy Quartz (part of a Geode)
Silicon Dioxide (SiO2)
mineral
Eudialyte in Matrix
Na15Ca6(Fe,Mn)3Zr3(Si,Nb) (Si25O73) (OH,Cl,H2O)3
mineral