Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Category
Man Made Material (Simulated Mineral)
Browse man made material (simulated mineral) specimens identified by the Rock Identifier community.
Learn about Man Made Material (Simulated Mineral) in the encyclopedia
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Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz (Druzy or Crystalline variety)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Jasper
Silicon dioxide (SiO2)
Mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Chevron Amethyst
Silicon Dioxide (SiO2) with iron impurities
mineral
Larimar
Pectolite (NaCa2Si3O8(OH))
mineral
Smoky Quartz
Silicon Dioxide (SiO₂)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz pebble in concrete
Quartz (SiO₂), embedded in Portland-cement concrete
mineral
White Howlite
Howlite (Calcium borosilicate hydroxide, Ca2B5SiO9(OH)5)
mineral
Citrine
Silicon Dioxide (SiO2)
mineral
Smoky Quartz with Feldspar
Silicon Dioxide (SiO2) with Potassium Feldspar (KAlSi3O8)
mineral
Ferruginous Quartz
Silicon Dioxide (SiO2) with Hematite/Limonite impurities
mineral
Petrified Wood
Silicified Wood / Xylopal
fossil
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Petrified Wood
Silicified Wood (SiO2)
fossil
Weathered fine-grained stone, likely sandstone or quartzite
Quartz-rich sandstone (possibly weakly metamorphosed quartzite); predominantly SiO₂
sedimentary
Red Granite
Intrusive Igneous Rock (Felsic)
igneous
Amygdaloidal Basalt with Epidote
Vesicular Basalt with secondary Epidote/Quartz mineral infill
igneous
Sandstone (Pebble)
Sandstone (principally SiO2 with iron oxide impurities)
sedimentary
Serpentinite (often called Jade or Nephrite substitute)
Serpentinite (composed primarily of Antigorite, Lizardite, or Chrysotile)
metamorphic
Quartz-rich granitic rock, possibly pegmatite
Granite/pegmatitic granite; chiefly quartz (SiO₂), feldspar, and mica
igneous
Petrified Wood
Silicified wood (Quartz/Chalcedony - SiO2)
sedimentary
Red Sandstone
Arenite (Ferruginous Sandstone)
sedimentary
Red Sandstone
Arenite (Ferruginous Sandstone)
sedimentary
Sandstone (with Laminations)
Clastic sedimentary rock (primarily Quartz-based)
sedimentary
Red Sandstone
Arenite (high iron oxide content)
sedimentary
Sandstone (Red Sandstone)
Arenite (SiO2 based with Fe2O3 staining)
sedimentary
Feldspathic Gneiss (Granite Gneiss)
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Pegmatite (Granitic)
Granitic Pegmatite containing Quartz, Feldspar, and Tourmaline (Schorl)
igneous
Fossil Coral
Phylum Cnidaria / Rugosa or Tabulata
fossil
Vesicular basalt (probable)
Basalt, mainly plagioclase feldspar and pyroxene, with possible olivine and iron oxides
igneous
Chert (Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Sandstone with Iron Staining
Arenite (SiO2 with Fe-oxide coatings)
sedimentary
Pyrite (Iron Pyrites)
Iron Sulfide (FeS2)
mineral
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily Quartz with Hematite/Limonite oxides)
sedimentary
Granitic Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Sandstone
Sedimentary Rock (Quartz arenite / Lithic sandstone)
sedimentary