Turquoise with Pyrite
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O] with Iron Pyrite (FeS2)
Category
Browse mineral like byproduct specimens identified by the Rock Identifier community.
Turquoise with Pyrite
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O] with Iron Pyrite (FeS2)
Phantom Quartz
Silicon Dioxide (SiO2) with inclusions
Sandstone
Arenite (SiO2 based)
Botryoidal quartz (likely chalcedony or druzy quartz)
Silicon dioxide, SiO₂; microcrystalline quartz (chalcedony) with possible drusy quartz coating
River Pebble
Lithified clastic sediment
Pebble with Basaltic and Quartz-rich Banding
Polymictic Lithic Pebble
Brecciated Jasper
Silicon Dioxide (SiO2) with mineral impurities
Quartz (likely heat-treated or colored cord)
Silicon Dioxide (SiO2)
Chert Pebble (Jasper variety)
Silicon Dioxide (SiO2)
Sea Shell Fragment (Calcium Carbonate)
Aragonite / Calcite (CaCO3)
Milky Quartz with Hematite inclusions
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Dendritic Agate
Silicon Dioxide (SiO2) with Manganese/Iron oxide inclusions
Peach Moonstone
Potassium Aluminum Silicate (KAlSi3O8)
Graphic Granite
Graphic Granite (a runic intergrowth of Quartz and Feldspar)
Dendritic sandstone
Sandstone with Manganese Oxide dendrites
Schist with Biotite and Quartz
Biotite-Quartz Schist (Fe,Mg,Al silicate mix)
Felted Quartz / Chlorite Quartz
Chlorite included Quartz (SiO2 + (Mg,Fe)3(Si,Al)2O5(OH)4)
Lepidolite Pebble
K(Li,Al)3(Al,Si,3O10)(F,OH)2
Fuchsite
Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)
Peacock Ore
Bornite (Cu5FeS4) or Chalcopyrite treated with acid
Blue Quartz (potentially Dumortierite-included)
Silicon Dioxide (SiO2) with inclusions
Chert / Green Jasper
Silicon Dioxide (SiO2)
Limonite (Iron Stone/Gossen)
Limonite (FeO(OH)·nH2O)
Chrysocolla
Cu2-xAlx(H2O)n(H2Si2O5)5 · nH2O (Hydrated copper aluminum silicate)
Granite
Intrusive Igneous Rock
Sandstone (with Iron Staining)
Arenite
Blue Quartz
Silicon Dioxide (SiO2) with inclusions
Hypersthene
(Mg,Fe)SiO3 - Enstatite-Ferrosilite series
Inclusion Quartz (Garden Quartz)
Silicon Dioxide (SiO2) with inclusions (e.g., Chlorite, Hematite)
Vesicular Basalt
Mafic Volcanic Rock (Basalt)
Sandstone Concretion
Carbonate-cemented Sandstone Concretion
Gneiss
Gneiss
Granite Boulder
Intrusive Igneous Rock
Granite
Phaneritic plutonic rock (Quartz, Feldspar, Mica)
Chert (variations include Flint/Chalcedony)
Chert (SiO2 - Silicon Dioxide)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily Quartz with Fe2O3 staining)
Gneiss (Banded Gneiss)
Gneiss
Greenstone / Greenschist
Greenschist (contains chlorite, epidote, actinolite)
Quartz Geode
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Fossilized tooth, likely a mammalian tooth fragment
Indeterminate fossil tooth; possibly an ungulate or carnivoran tooth