Quartz (Rose Quartz or Jasper variety)
Silicon Dioxide (SiO2)
Category
Browse igneous and sedimentary mixture specimens identified by the Rock Identifier community.
Quartz (Rose Quartz or Jasper variety)
Silicon Dioxide (SiO2)
Green Calcite
Calcium Carbonate (CaCO3)
Shale
Shale (clastic sedimentary rock)
Apatite
Calcium phosphate fluoride/chloride, Ca5(PO4)3(F,Cl,OH)
Apatite
Calcium phosphate fluoride/chloride, Ca5(PO4)3(F,Cl,OH)
Quartz
Silicon Dioxide (SiO2)
Banded Iron Formation (BIF)
Banded Iron Formation
Weathered iron-rich rock (probable laterite or limonite-bearing stone)
Goethite–limonite mixture, commonly written FeO(OH)·nH₂O, with possible quartz and clay minerals
Bauxite (Laterite Clay)
Bauxite (mixture of Hydrous Aluminum Oxides: Gibbsite Al(OH)3, Boehmite and Diaspore AlO(OH))
Chert (specifically Yellow/Common Opal or Jasper mixture)
Silicon Dioxide (SiO2)
Blue Apatite
Fluorapatite (Ca5(PO4)3(F,Cl,OH))
Blue Apatite
Ca5(PO4)3(F,Cl,OH)
Yellow Apatite
Fluorapatite (Ca5(PO4)3(F,Cl,OH))
Clear Quartz (Faceted) or Cubic Zirconia / Glass imitation
SiO2 (if Quartz), ZrO2 (if Cubic Zirconia)
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Magnetite (potentially Hematite)
Magnetite (Fe₃O₄)
Diorite (Dalmatian Stone)
Phaneritic Plutonic Diorite
Pyrite
Iron sulfide (FeS2)
Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Blue Apatite
Ca5(PO4)3(F,Cl,OH)
Chalcopyrite
Copper Iron Sulfide (CuFeS2)
Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Pyrite Nodules / Weathered Pyrite
Iron Sulfide (FeS2)
Shale or Mudstone (Based on appearance)
Shale (fine-grained, laminated fissile sedimentary rock) / Mudstone (fine-grained, non-fissile sedimentary rock)
Pet Rock (Man-made Quartzite or Granite Cobble)
Silicon dioxide (SiO2) mixture; commonly composed of Quartz, Feldspar, and Mica
Dalmation Stone
Peralkaline Rock (mixed silicate minerals)
Dalmation Stone (often called Dalmatian Jasper)
Peralkaline Rock (Microgranite/Aplite), SiO2 with inclusions of Arfvedsonite
Dalmatian Stone
Peralkaline rhyolite
Quartz pebble
Silicon dioxide (SiO2)
Blue Apatite
Apatite (Ca5(PO4)3(F,Cl,OH))
Green Aventurine
SiO2
Magnetite
Magnetite (Fe3O4)
Magnetite (Octahedral Crystal)
Magnetite (Fe3O4)
Magnetite
Magnetite (Fe3O4)
Magnetite
Magnetite (Fe3O4)
Magnetite / Iron Ore
Magnetite (Fe3O4)
Shale or Argillite
Shale (fine-grained clastic sedimentary rock) or Argillite (low-grade metamorphic rock derived from shale)