Azurite and Malachite on Matrix
Azurite: Cu3(CO3)2(OH)2; Malachite: Cu2CO3(OH)2
mineral
Category
Mineralized Fossil
Browse mineralized fossil specimens identified by the Rock Identifier community.
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Turquoise
CuAl6(PO4)4(OH)8·4H2O
mineral
Moonstone
Orthoclase feldspar ((K,Na)AlSi3O8)
mineral
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral
Sandstone (likely Ferruginous)
Sandstone (SiO2 with iron oxides)
sedimentary
Turquoise
Turquoise (Hydrated phosphate of copper and aluminium) CuAl6(PO4)4(OH)8·4H2O
mineral
Chrysocolla in Cuprite (Sonoran Sunrise)
Cu2-xAlx(H2-xSi2O5)(OH)4·n(H2O) (Chrysocolla) and Cu2O (Cuprite)
mineral
Olivine in Basalt matrix
Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)
igneous
Granite
Granite (Felsic Plutonic Rock)
igneous
Basalt (River Rock/Cobble)
Basalt (no specific mineral formula as it's a rock)
Igneous
Turquoise
Turquoise - CuAl6(PO4)4(OH)8·4H2O
mineral
Gneiss (Metamorphic Rock)
Gneiss
metamorphic
Granite or Pegmatite in host rock
Granitoid / Felsic Intrusive Rock
Igneous
Lapis Lazuli
Lapis Lazuli (A complex rock primarily composed of Lazurite: (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
metamorphic
Quartz with Arsenopyrite
Silicon Dioxide (SiO2) with Iron Arsenic Sulfide (FeAsS)
mineral
Epidosite
Epidosite (Metasomatic rock consisting mainly of Epidote and Quartz)
metamorphic
Granodiorite
Granodiorite (containing Plagioclase, Quartz, and K-feldspar)
igneous
Diorite
Phaneritic intermediate plutonic rock
Igneous
Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
River Stone / Pebble
Clastic Sediment (composed largely of Quartz, Feldspar, and various rock fragments)
Mineral, Sediment
Ruby in Kyanite
Corundum in Disthene (Al2SiO5 + Al2O3)
metamorphic
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Bauxite
Bauxite (Mixture of Al(OH)3, AlO(OH), and Fe2O3)
sedimentary
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Fluorite (Green)
Calcium Fluoride (CaF2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Limonite (Iron Ore)
Hydrous ferric oxides (FeO(OH)·nH2O)
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Yellow Ochre / Limonite
Limonite (FeO(OH)·nH2O)
Mineral
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz pebble
Silicon Dioxide (SiO2)
mineral
Quartz (Grain)
Silicon Dioxide (SiO2)
mineral
Quartz (Small Pebble)
Silicon Dioxide (SiO2)
mineral
Mahogany Obsidian
Obsidian with Hematite inclusions (SiO2 + Fe2O3)
igneous
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz pebble
Silicon dioxide (SiO2)
mineral
Quartz (River Pebble)
Silicon Dioxide (SiO2)
mineral
Limonite (Ironstone Concretion)
Limonite (Hydrated iron(III) oxide-hydroxide, mixtures of FeO(OH)·nH2O)
sedimentary
Kidney Stone
Nephrolithiasis (Calcium Oxalate, Hydroxyapatite, or Uric Acid)
mineral
Note: Item is not a geological specimen
Homo sapiens (Dermal Appendage: Pilus)
Organic / Biological