Labradorite
(Ca, Na)(Al, Si)4O8
mineral
Category
Igneous And Sedimentary
Browse igneous and sedimentary specimens identified by the Rock Identifier community.
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Rose Quartz
Silicon dioxide (SiO2)
mineral
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Slag (Industrial Byproduct)
Artificial silicate/iron byproduct
Mineral description (Anthropogenic material)
Soapstone / Steatite
Steatite (primarily Talc, Mg3Si4O10(OH)2)
metamorphic
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals, Mg3Si2O5(OH)4)
metamorphic
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Pink Feldspar
Orthoclase Feldspar (KAlSi3O8)
mineral
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Rose Quartz (Aura Quartz)
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Chert (Agatized/Chalcedony variety)
Microcrystalline Quartz (SiO2)
sedimentary
Yellow Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Pink Rhyolite
Rhyolite (High-silica volcanic rock)
igneous
Pegmatite (Granitic) with Tourmaline
Granitic Pegmatite (containing Schorl and Quartz)
igneous
Eudialyte with Syenite
Eudialyte: Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
igneous
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide inclusions
sedimentary
Red Jasper (Quartz)
Silicon Dioxide (SiO2) with Iron impurities
sedimentary
Red Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Granite
Granite (a common rock name, not a single mineral species, composed primarily of quartz, feldspar, and mica/amphibole)
igneous
Biotite Mica
K(Mg,Fe2+)3(Al,Fe3+)Si3O10(OH,F)2
Mineral
Aquamarine
Beryl (Be3Al2Si6O18), specifically the blue-green variety
Mineral
Fossiliferous Limestone with Brachiopod
Phylum Brachiopoda in Sedimentary Matrix (CaCO3)
fossil
Granite
Phaneritic Felsic Igneous Rock (Granite)
igneous
Bivalve Fossil in Sedimentary Matrix
Fossiliferous Mudstone (Class: Bivalvia)
sedimentary
Quartzite
Quartzite (primarily composed of SiO O₂)
Sedimentary Rock
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Fossiliferous Limestone with Brachiopods
Calcium Carbonate (CaCO3) with fossilized Brachiopoda sp. (likely Order Spiriferida or Rhynchonellida)
sedimentary
Quartz
Silicon Dioxide (SiO₂)
Mineral
Selenite / Gypsum
Gypsum (CaSO4·2H2O)
Mineral
Granite
Granite (a felsic intrusive igneous rock)
Igneous rock
Greenstone with Epidote or Quartz Vein
Epidiorite or Metabasalt (composed largely of Chlorite, Epidote, and Amphibole)
metamorphic
Red Sandstone
Arenite (Ferruginous Sandstone)
sedimentary
Magnetite with Pyroxene
Magnetite (Fe3O4) in Mafic Igneous Matrix
mineral/igneous
Peridotite
Peridotite (predominantly Olivine and Pyroxene)
igneous
Quartz on Feldspar
Silicon Dioxide (SiO2) with Potassium Feldspar (KAlSi3O8)
igneous
Chondrite Meteorite
Ordinary Chondrite (OC)
igneous
Granite
Granite (Phaneritic Quartz-Feldspar-Biotite rock)
igneous