Diorite
Phaneritic Intermediate Igneous Rock
igneous
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.
Learn about Mineral Like Byproduct (Often Mistaken For Igneous Rock Or Meteorite) in the encyclopedia
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Carborundum
Silicon Carbide (SiC)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Orange Quartz (Ferruginous Quartz)
Silicon Dioxide (SiO2) with Iron Oxide inclusions
mineral
Serpentine
Serpentine subgroup (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4
metamorphic
Meteorite (Chondrite)
Chondritic Meteorite (Undifferentiated extraterrestrial rock)
igneous
Chondrite Meteorite
Ordinary Chondrite (OC)
igneous
Moldavite
Tektite (Silicates with aluminum, iron, manganese, and potassium oxide glass)
meteorite
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Siltstone
Siltstone (Detrital Sedimentary Rock)
sedimentary
Dalmatian Stone
Dalmatian Jasper (a misnomer) / Perthitic Igneous Rock
igneous
Sandstone Concretion
Clastic sedimentary rock (primarily Quartz SiO2)
sedimentary
Mudstone/Siltstone with Liesegang Bands
Argillaceous Sedimentary Rock with Chemical Banding
sedimentary
Olivine/Peridot
Magnesium Iron Silicate (Mg,Fe)2SiO4
mineral
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Geode (unopened)
Quartz-filled Geode (SiO2)
sedimentary
Mica Schist (with Muscovite mica)
Mica Schist (KAl2(AlSi3O10)(OH)2)
metamorphic
Hypersthene
Enstatite-Ferrosilite series, (Mg,Fe)2Si2O6
mineral
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Sodalite
Sodalite (Na8Al6Si6O24Cl2)
mineral
Blue Apatite
Calcium Phosphate (Ca5(PO4)3(F,Cl,OH))
mineral
Chondrite Meteorite
Stony Meteorite (Chondrite)
meteorite
Iron Meteorite (Fragment)
Siderite (Iron-Nickel alloy: Kamacite and Taenite)
igneous
Peridotite (with Olivine and Pyroxene)
Ultramafic Magmatic Rock (Primary minerals: (Mg, Fe)2SiO4 and (Ca, Mg, Fe)2Si2O6)
igneous
Amazonite
KAlSi3O8 (Potassium Aluminum Silicate) - a variety of Microcline Feldspar
mineral
Peridot
Olivine (Mg, Fe)2SiO4
mineral
Olivine (Peridot)
Magnesium Iron Silicate (Mg, Fe)2SiO4
mineral
Olivine (Peridot)
Magnesium Iron Silicate (Mg, Fe)2SiO4
Mineral
Moldavite
Tektite (Silica Glass - SiO2 + Al2O3, FeO, MgO, CaO, Na2O, K2O)
gemstone
Pyrite
Iron Sulfide (FeS2)
mineral
Dumortierite in Quartz
Silicon Dioxide with Aluminium Borosilicate (SiO2 + (Al,Fe7+)7(BO3)(SiO4)3O3)
mineral
Iron Meteorite
Iron-nickel alloy (primarily kamacite and taenite)
Meteorite (extraterrestrial material)
Chert Concretion / Nodule
Microcrystalline Quartz (SiO2)
sedimentary
Moldavite
Moldavite (Silica-rich glass, SiO2 + Al2O3)
tektite
Charnockite
Orthopyroxene-bearing granite (Charnockite)
metamorphic
Liesegang Banded Sandstone (Wonderstone)
Ferruginous Sandstone with Liesegang Rings
sedimentary
Basalt Scoria
Aphanitic basaltic scoria
igneous
Olivine (Peridotite)
(Mg,Fe)2SiO4 (Magnesium Iron Silicate)
igneous
Lunar Meteorite (Feldspathic Breccia)
Lunar Achondrite (Regolith Breccia)
igneous
Scoria (with likely iron oxidation)
Scoria (Basaltic Scoria)
igneous
Vesicular basalt (likely weathered lava rock)
Basalt, predominantly calcium-rich plagioclase, pyroxene, and commonly olivine; vesicular texture from gas bubbles
igneous
Olivine (Peridot in gem form)
Magnesium Iron Silicate (Mg,Fe)2SiO4
mineral