Ferruginous Quartz (Red Quartz)
Silicon Dioxide (SiO2) with Hematite/Limonite impurities
mineral
Category
Sedimentary (Processed Mineral Product)
Browse sedimentary (processed mineral product) specimens identified by the Rock Identifier community.
Learn about Sedimentary (Processed Mineral Product) in the encyclopedia
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Celadonite in Basalt (Green Earth)
Celadonite (K(Mg,Fe2+)(Fe3+,Al)Si4O10(OH)2)
mineral
Native Copper
Native Copper (Cu)
mineral
Ocean Jasper
Orbicular Jasper (Silicon Dioxide, SiO2)
sedimentary
Conglomeratic Sandstone
Clastic Sedimentary Rock
sedimentary
Serpentine
Serpentine Group Minerals (e.g., Antigorite, Chrysotile, Lizardite)
Mineral, often found as a rock
Magnetite (Lodestone)
Iron(II,III) oxide (Fe3O4)
mineral
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral
Quartz
Quartz (SiO2 - Silicon Dioxide)
Mineral
Sandstone (River Rock)
Arenite (composed primarily of SiO2)
sedimentary
Pebble
Clast (specifically a granule or small pebble)
Sedimentary
Unakite
Epidotized Granite
Igneous rock
Sandstone
Sandstone (Sedimentary rock composed of silicate grains)
sedimentary
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral
Lapis Lazuli
Lapis lazuli (primary mineral: Lazurite, (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
metamorphic
Sedimentary Breccia
Breccia (Clastic Sedimentary Rock)
sedimentary
Fossil Shark Tooth
Odontaspididae (Sand Tiger Shark family)
fossil
![Turquoise (Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]) — mineral](https://media.rockidentification.com/f0e26140-66af-4b29-ac3d-420c184c210e-thumbnail.jpg)
Turquoise
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]
mineral
![Turquoise with Pyrite (Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O] with Iron Pyrite (FeS2)) — mineral](https://media.rockidentification.com/157e6415-0364-437c-b0a4-74ad43800d08-thumbnail.jpg)
Turquoise with Pyrite
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O] with Iron Pyrite (FeS2)
mineral
Turquoise in Matrix
Hydrated phosphate of copper and aluminum (CuAl6(PO4)4(OH)8·4H2O)
mineral
Magnetite
Magnetite (Fe3O4)
mineral
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
mineral
Sandstone (Quartzose)
Arenite (Siliciclastic sedimentary rock)
sedimentary
Sandstone with Iron Staining
Arenite (SiO2 with Fe2O3)
sedimentary
Sandstone (Ferruginous)
Arenite with Iron Oxides
sedimentary
Sandstone
Arenite (SiO2 principal component)
sedimentary
Fluorite
Calcium fluoride (CaF2)
mineral
Sandstone (likely Siltstone)
Arenite or Siltstone (high SiO2 content)
sedimentary
Sandstone (likely River-tumbled Picture Sandstone)
Arenite (predominantly SiO2 with iron oxide impurities)
sedimentary
Sandstone (Ferruginous)
Arenite (Fe-rich)
sedimentary
Sandstone (Ferruginous)
Sandstone (Clastic sedimentary rock, predominantly SiO2 with Fe2O3 cement)
sedimentary
Limonite (Iron Ore)
FeO(OH)·nH2O
mineral
Sandstone (with Iron Staining)
Clastic Sedimentary Rock (primarily Quartz, SiO2)
sedimentary
Sandstone (Quartzose Sandstone)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sandstone with Concretions / Liesegang Rings
Arenite with iron oxide banding
sedimentary
Clear Quartz (Carved Merkaba)
Silicon Dioxide (SiO2)
mineral
Sandstone (Quartzose)
Arenite (SiO2 based)
sedimentary
Limonite (Iron Ore)
Limonite (̑FeO(OH)·nH₂O)
sedimentary
Sandstone
Arenite (SiO2 based sedimentary rock)
sedimentary
Sandstone
Clastic sedimentary rock (primarily SiO2)
sedimentary
Sandstone (likely Arkose or Quartz Sandstone)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Turquoise
Hydrated phosphate of copper and aluminium - CuAl6(PO4)4(OH)8·4H2O
mineral