Quartz (Iron-Stained)
Silicon Dioxide (SiO2)
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.
Learn about Mineral Like Byproduct (Often Mistaken For Igneous Rock Or Meteorite) in the encyclopedia
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Kimberlite with Diamond
Kimberlite (Porphyritic Peridotite)
igneous
Peridot
Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)
Mineral
Blue Quartzite
Blue Quartzite (Primary mineral: Quartz, SiO2 with magnesio-riebeckite or crocidolite inclusions)
metamorphic
Gold Nugget
Native Gold (Au)
mineral
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
mineral
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) within metamorphic/igneous matrix
igneous/metamorphic
Anthropogenic Heat Source (Electronic/Industrial Interface)
Thermal IR emission (Electronic infrastructure)
not a rock or mineral
Pyrite in Matrix
Iron Disulfide (FeS2)
mineral
Greenschist
Chlorite Schist (Greenschist Facies)
metamorphic
Olivine (Peridot)
Magnesium Iron Silicate ((Mg, Fe)2SiO4)
mineral
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Biotite (Mica)
Biotite group (K(Mg,Fe)3AlSi3O10(F,OH)2)
mineral
Banded Gneiss
Banded Gneiss (Metamorphic Rock)
metamorphic
Tiffany Stone
Bertrandite (with Fluorite, Opal, and Chalcedony), Be4Si2O7(OH)2
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Rhyolite (Leopard Skin Jasper)
Rhyolite (Silicon Dioxide with impurities)
igneous
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Amygdaloidal Basalt with Epidote/Chlorite
Basalt (containing (Ca2(Al2Fe3+)(SiO4)(Si2O7)O(OH)))
igneous
Basalt (Vesicular or Porphyritic River Pebble)
Mafic Volcanic Rock (Aphanitic to Porphyritic Basalt)
igneous
Diorite
Diorite (Intermediate intrusive igneous rock)
igneous
Pallasite Meteorite (Sliced and Polished)
Pallasite (Iron-Nickel Matrix with Olivine crystals)
mineral
Granite
Phaneritic Igneous Rock (primarily Quartz, Feldspar, and Mica)
igneous
Epidote (Greenstone)
Calcium aluminum iron silicate hydroxide Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH)
metamorphic
Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Siltstone
Siltstone (SiO2, Fe2O3, Al2O3 mix)
sedimentary
Leland Blue Stone
Anthropogenic Iron Smelting Slag
mineraloid
Tektite (Indochinite)
Tektite (natural glass, SiO2 + Al2O3)
mineral
Greenish Metamorphic Rock (likely containing epidote or chlorite)
Metamorphic rock, possibly epidosite or greenstone
Metamorphic
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Granodiorite
Granodiorite (Intermediate intrusive igneous rock)
igneous
Goldstone
Aventurine Glass (Man-made)
mineral
Gold Ore (Lode Gold)
Native Gold (Au) in Matrix
mineral
Chondrite Meteorite Fragment
Ordinary Chondrite (L or H type)
igneous
Hypersthene
Hypersthene ((Mg,Fe)SiO₃)
Mineral
Tektite (likely Australite)
Tektite (no specific chemical formula as it's a natural glass of variable composition, mostly SiO2, Al2O3, FeO, MgO, CaO, K2O, Na2O, TiO2)
Mineral (specifically a mineraloid)
Milky Quartz with Country Rock contact
Silicon Dioxide (SiO2) in contact with Metamorphic/Igneous rock
mineral
Banded Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Iron-stained weathered stone (tentative)
Undetermined; possibly weathered iron-rich basalt or concretion
mineral