Turquoise
CuAl6(PO4)4(OH)8·4H2O
Category
Browse mineral (sedimentary context) specimens identified by the Rock Identifier community.
Turquoise
CuAl6(PO4)4(OH)8·4H2O
Pyrite
Iron Sulfide (FeS2)
Turquoise
Turquoise (Hydrated phosphate of copper and aluminium) CuAl6(PO4)4(OH)8·4H2O
Quartz (Variety: Citrine or Tumbled Chalcedony)
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Blue Calcite
Calcium Carbonate (CaCO3)
Orange Calcite
Calcium Carbonate (CaCO3)
Turquoise
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]
Turquoise in Matrix
Hydrated phosphate of copper and aluminum (CuAl6(PO4)4(OH)8·4H2O)
Turquoise with Pyrite
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O] with Iron Pyrite (FeS2)
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
Red Jasper
Microcrystalline quartz (SiO2) with Hematite (Fe2O3) impurities
Turquoise
Hydrated phosphate of copper and aluminium - CuAl6(PO4)4(OH)8·4H2O
Native Copper
Native Copper (Cu)
Concretion (Sandstone)
Sandstone Concretion
Quartz Geode with Goethite/Hematite
Silicon Dioxide (SiO2) with Iron Oxides
Fluorite
Calcium Fluoride (CaF2)
Shale or Siltstone
Sedimentary Clastic Rock (Variable mineral composition including quartz and clay minerals)
Jasper
Silicon dioxide (SiO2)
Jasper
Jasper (Cryptocrystalline Quartz, SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Iron impurities
Pyrite
Iron Sulfide (FeS2)
Sandstone
Arenicola (comprising mostly Quartz, SiO2)
Gneiss
Gneiss (High-grade metamorphic rock)
Banded Gneiss (River Rock/Pebble)
Gneiss (specifically a banded variety often found as a river rock)
Sandy Ironstone
Ferruginous Sandstone
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Pebble (likely Quartz or Chert)
SiO₂ (Silicon Dioxide) - referring to the likely main mineral composition, Quartz. If it's chert, the scientific name remains SiO₂ with a microcrystalline structure.
Ironstone (likely siderite or goethite-rich siltstone)
Ferruginous Siltstone
Fluorite
Calcium Fluoride (CaF2)
Orange Calcite
Calcium Carbonate (CaCO3)
Pyrite
Iron Sulfide (FeS2)
Pyrite
Iron Sulfide (FeS2)
Pyrite
Iron Disulfide (FeS2)
Magnetite (likely with weathered Limonite/Hematite)
Magnetite (Fe3O4) with iron oxide weathering
Pyrite
Iron Sulfide (FeS2)
Pyrite
Pyrite (Iron Disulfide), FeS2
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Halite (Rock Salt)
Halite (Sodium Chloride, NaCl)
Orange Calcite (Cleavage Rhomb)
Calcite (Calcium Carbonate, CaCO3)
Limonite (Ochreous)
FeO(OH)·nH2O (Hydrated Iron Oxide)
Orange Calcite (likely polished specimen)
Calcite