Lazulite
Lazulite (MgAl2(PO4)2(OH)2)
Category
Browse mineral, often found in sedimentary deposits specimens identified by the Rock Identifier community.
Lazulite
Lazulite (MgAl2(PO4)2(OH)2)
Galena
Lead(II) sulfide (PbS)
Gneiss
Gneiss (Metamorphic Rock)
Polished Hematite Tower
Hematite (Fe2O3)
Malachite
Cu2CO3(OH)2 (Copper Hydroxide Carbonate)
Rhodochrosite
Manganese carbonate (MnCO3)
Copper Ore Bearing Rock
Host rock with secondary copper minerals (such as Malachite, Azurite, and Chrysocolla)
Fossilized Shark Tooth
Selachimorpha fossil (varies by species)
Hematite
Iron(III) oxide (Fe2O3)
Turquoise (likely stabilized or simulated Howlite)
CuAl6(PO4)4(OH)8·4H2O (Hydrous phosphate of copper and aluminium)
Banded Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
Chrysocolla
Hydrated copper phyllosilicate, (Cu,Al)2H2Si2O5(OH)4·nH2O
Proustite
Proustite (Ag3AsS3)
Turquoise
CuAl6(PO4)4(OH)8·4H2O (Hydrous phosphate of copper and aluminium)
Turquoise
Hydrated phosphate of copper and aluminium, CuAl6(PO4)4(OH)8·4H2O
Jasper
Jasper (Cryptocrystalline Quartz; SiO2)
Bivalve Fossil
Bivalvia (Phylum Mollusca)
Malachite
Copper(II) carbonate hydroxide [Cu2CO3(OH)2]
Hematite Rose
Iron Oxide, Fe2O3
Azurite and Malachite on Matrix
Azurite: Cu3(CO3)2(OH)2; Malachite: Cu2CO3(OH)2
Hematite Nodule
Hematite (Alpha Fe2O3)
Turquoise in Matrix
Hydrated phosphate of copper and aluminium: CuAl6(PO4)4(OH)8·4H2O
Copper Ore
Native Copper (Cu) often found with Chalcocite (Cu2S) or Bornite (Cu5FeS4)
Chalcopyrite
Copper Iron Sulfide (CuFeS2)
Fossilized Bone (Petrified Bone)
Permineralized Vertebrate Remains
Azurite and Malachite
Cu3(CO3)2(OH)2 (Azurite) / Cu2CO3(OH)2 (Malachite)
Limonite (Ironstone)
Limonite (FeO(OH)·nH2O)
Chrysocolla
Chrysocolla: Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O
Blue Apatite
Ca5(PO4)3(F,Cl,OH)
Magnesite or Howlite (dyed or naturally patterned)
Magnesium carbonate (MgCO3) or Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)
Chrysocolla in Matrix
Chrysocolla (Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O)
Ferruginous Sandstone
Arenite with Iron Oxide matrix (Fe2O3)
Likely petrified wood
Fossilized woody tissue, commonly silicified wood (SiO₂)
Rhodochrosite
Manganese Carbonate (MnCO3)
Rhodochrosite
Manganese Carbonate (MnCO3)
Jasper
Microcrystalline quartz (SiO2)
Fluorite (Green)
Calcium Fluoride (CaF2)
Dinosaur Fossil (Skull)
Dinosauria fossilis (Petrified Hydroxyapatite / Calcium Carbonate)
Howlite
Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)
Jasper
Microcrystalline Quartz (SiO2)
Limonite (Ironstone)
FeO(OH)qn H2O
Galena
Lead(II) sulfide (PbS)