# Iron ## 🧊 Iron · 3D (three.js) <iframe src="https://wikitube-elements.netlify.app/?el=Fe&embed=1" width="100%" height="620" frameborder="0" style="border:0;border-radius:12px;overflow:hidden" allowfullscreen loading="lazy" title="The Elements 3D microsim - Iron"></iframe> *Iron in the live three.js Elements explorer — drag to orbit the atom, click any tile to compare, slide the temperature.* · [▶ open full](https://wikitube-elements.netlify.app/?el=Fe) <!-- ELEMENTS_MICROSIM:END --> !Iron plate.svg *Plate 26 of 118 - animated Bohr shells, stylized per Madelung filling; engraving style per house Arcanity kit.* ## Microsim To Do *Claimable rows, house pattern. Real Wikipedia articles only.* - Taconite processing - the Mesabi Range and industrial iron ore separation - Mesabi Range - the world's greatest iron deposit and Minnesota's industrial foundation - Bessemer process - steel production and the Industrial Revolution ## Links (Wikipedia order) <!-- injected from _registry/childlinks/Iron.json (2026-07-30T02:09:12Z) --> `(Benzylideneacetone)iron_tricarbonyl` · `(Butadiene)iron_tricarbonyl` · `1,1'-Bis(diphenylphosphino)ferrocene` · `2nd_millennium_BC` · `Abraham_Darby_I` · `Abundance_of_elements_in_Earth's_crust` · `Abundance_of_the_chemical_elements` · [[Actinium]] · `Adenosine_triphosphate` · `Agriculture` · `Alkali_metal` · `Alkaline_earth_metal` · `Allotropes_of_iron` · `Allotropy` · [[Alloy]] · `Alloy_steel` · [[Alpha_decay]] · [[Alpha_particle]] · `Alpha_process` · [[Aluminium]] · `Aluminium-26` · [[Americium]] · `Ammonium_ferric_citrate` · `Ammonium_iron(II)_sulfate` · `Ammonium_iron(III)_sulfate` · `Anatolia` · `Ancient_Greece` · `Ancient_Rome` · `Anemia` · `Aniline` · [[Antimony]] · `Antoine_Lavoisier` · [[Argon]] · [[Arsenic]] · [[Astatine]] · `Asteroid` · `Atharvaveda` · [[Atomic_mass]] · `Atomic_number` · `Atomic_radius` · `Austenite` · `Australia` · `Bainite` · [[Barium]] · `Barium_ferrate` · `Bath_stone` · `Bean` · [[Berkelium]] · `Berlin_iron_jewellery` · [[Beryllium]] · `Beta` · `Bicarbonate` · `Bioinorganic_chemistry` · [[Bismuth]] · `Blast_furnace` · `Block_(periodic_table)` · `Blood` · `Blood_donation` · `Bloomery` · `Blueprint` · `Bluing_(steel)` · `Bohr_effect` · [[Bohrium]] · [[Boiling_point]] · [[Boron]] · `Boron_group` · `Brazil` · `Bread` · `Breakfast_cereal` · `Brinell_hardness_test` · [[Bromine]] · `Bronze_Age` · `Brown_Jurassic` · `Bulk_modulus` · `Bunter_(geology)` · `Buntsandstein` · `Bühl_(Baden)` · `CAS_Registry_Number` · [[Cadmium]] · [[Caesium]] · [[Calcium]] · `Calcium_oxide` · `Calcium_silicate` · [[Californium]] · `Cape_York_meteorite` · [[Carbon]] · `Carbon_dioxide` · `Carbon_group` · `Carbon_monoxide` · `Carbon_steel` · `Carbonate` · `Carbonyl_iron` · `Carboxyhemoglobin` · `Carburizing` · `Cast_iron` · `Catalase` · `Cathodic_protection` · `Caucasus` · `Cell_(biology)` · `Cellular_respiration` · `Celts` · `Cementation_process` · `Cementite` · [[Cerium]] · `Chalcogen` · `Charcoal` · `Charge-transfer_complex` · `Chelation` · [[Chemical_element]] · `Chemical_symbol` · `Chemotherapy` · `Chert` · `China` · [[Chlorine]] · `Christian_Bohr` · [[Chromium]] · `Chromosome_6` · `Clay` · `Coagulopathy` · `Coal` · `Coalbrookdale` · `Coalbrookdale_by_Night` · [[Cobalt]] · `Cobalt-60` · `Cofactor_(biochemistry)` · `Coke_(fuel)` · `Cold_working` · `Colorectal_cancer` · `Coma` · `Commission_on_Isotopic_Abundances_and_Atomic_Weights` · `Compass` · `Computer_memory` · `Congener_(chemistry)` · `Conservation_of_mass` · `Coordination_complex` · [[Copernicium]] · [[Copper]] · `Covalent_radius` · [[Crust_(geology)]] · [[Crystal_structure]] · [[Cubic_crystal_system]] · `Curie_temperature` · [[Curium]] · `Cuticle` · `Cyanide` · `Cyclobutadieneiron_tricarbonyl` · `Cyclopentadienyliron_dicarbonyl_dimer` · `Cyclopentadienyliron_dicarbonyl_iodide` · `Cysteine` · `Cytochrome` · `Cytochrome_P450` · `DNA` · `Damascus_steel` · [[Darmstadtium]] · [[Decay_product]] · `Deferoxamine` · `Delta_(letter)` · [[Density]] · `Dietary_Reference_Intake` · `Dietary_supplement` · `Diiron_nonacarbonyl` · `Diiron_propanedithiolate_hexacarbonyl` · `Direct_reduced_iron` · `Diseases_of_Canaries` · `Disko_Island` · `Disodium_tetracarbonylferrate` · `Disulfidobis(tricarbonyliron)` · `Dolomites` · `Domestic_canary` · `Donzdorf` · `Double_beta_decay` · [[Dubnium]] · `Ductile_iron` · `Ductility` · `Duodenum` · [[Dysprosium]] · [[Earth]] · `Earth's_crust` · `Earth's_inner_core` · `Earth's_magnetic_field` · `Earth's_outer_core` · `Earth_science` · [[Einsteinium]] · `El_Mutún` · `Elastic_modulus` · `Electric_arc_furnace` · [[Electric_motor]] · `Electrical_resistivity_and_conductivity` · `Electrolysis` · `Electrolytic_iron` · `Electrolytic_process` · [[Electron]] · `Electron_capture` · `Electron_configuration` · `Electron_transfer` · `Electronegativity` · `Enantiomer` · `Enol` · `Enthalpy_of_atomization` · `Enthalpy_of_fusion` · `Enthalpy_of_vaporization` · `Epsilon` · `Equilibrium_constant` · [[Erbium]] · `Ernst_Otto_Fischer` · `Eurasia` · `European_Food_Safety_Authority` · [[Europium]] · `Extinct_radionuclide` · `Fatigue_limit` · [[Fermium]] · `Ferrate` · `Ferredoxin` · `Ferric` · `Ferric_chloride_test` · `Ferric_oxalate` · `Ferric_stearate` · `Ferrimagnetism` · `Ferrite_(magnet)` · `Ferritin` · `Ferrocene` · `Ferrocenium_tetrafluoroborate` · `Ferromagnetism` · `Ferropericlase` · `Ferrous` · `Finery_forge` · `Fischer–Tropsch_process` · `Fish` · [[Flerovium]] · `Floppy_disk` · [[Fluorine]] · `Flux_(metallurgy)` · `Forging` · `Formation_and_evolution_of_the_Solar_System` · `Fossil_fuel` · `Foundry` · [[Francium]] · `Fred_Hoyle` · `Frederick_William_III` · `Fugacity` · [[Gadolinium]] · [[Gallium]] · `Galvanization` · `Gamma` · `Genetic_disorder` · `Geoffrey_Burbidge` · `Geoffrey_Wilkinson` · `German_Americans` · [[Germanium]] · `Germany` · `Glucose` · `Glycine` · [[Gold]] · `Graphite` · `Gray_iron` · `Greeks` · `Greenland` · `Group_(periodic_table)` · `Group_10_element` · `Group_11_element` · `Group_12_element` · `Group_3_element` · `Group_4_element` · `Group_5_element` · `Group_6_element` · `Group_7_element` · `Group_8_element` · `Group_9_element` · [[Hafnium]] · [[Half-life]] · `Halide` · `Halogen` · `Hard_disk_drive` · [[Hassium]] · `Heart` · [[Helium]] · `Hematite` · `Heme` · `Hemoglobin` · `Hemolithin` · `Henry_Bessemer` · `Henry_Cort` · `Hepcidin` · `Hesiod` · `Hexaferrum` · `Hexane` · `High-valent_iron` · `Histidine` · `History_of_metallurgy_in_the_Indian_subcontinent` · `Hittites` · [[Holmium]] · `Hull_(watercraft)` · `Human_iron_metabolism` · `Hydrate` · `Hydrocarbon` · `Hydrochloric_acid` · [[Hydrogen]] · `Hydrogen_bond` · `Igneous_rock` · `Imidazole` · `India` · [[Indium]] · `Industrial_Revolution` · `Inorganic_Chemistry_(journal)` · `Inorganica_Chimica_Acta` · `International_Journal_of_Hematology` · `International_Resource_Panel` · `Intravenous_iron_infusion` · [[Iodine]] · [[Ionization_energy]] · [[Iridium]] · `Iron(I)_hydride` · `Iron(II)_acetate` · `Iron(II)_bromide` · `Iron(II)_carbonate` · `Iron(II)_chloride` · `Iron(II)_chromite` · `Iron(II)_citrate` · `Iron(II)_fluoride` · `Iron(II)_fumarate` · `Iron(II)_gluconate` · `Iron(II)_hydride` · `Iron(II)_hydroxide` · `Iron(II)_iodide` · `Iron(II)_lactate` · `Iron(II)_molybdate` · `Iron(II)_nitrate` · `Iron(II)_oxalate` · `Iron(II)_oxide` · `Iron(II)_perchlorate` · `Iron(II)_phosphate` · `Iron(II)_selenate` · `Iron(II)_selenide` · `Iron(II)_sulfate` · `Iron(II)_sulfide` · `Iron(II)_tetrafluoroborate` · `Iron(II,III)_oxide` · `Iron(II,III)_sulfide` · `Iron(III)_azide` · `Iron(III)_bromide` · `Iron(III)_chloride` · `Iron(III)_chromate` · `Iron(III)_fluoride` · `Iron(III)_iodide` · `Iron(III)_nitrate` · `Iron(III)_oxide` · `Iron(III)_oxide-hydroxide` · `Iron(III)_perchlorate` · `Iron(III)_phosphate` · `Iron(III)_pyrophosphate` · `Iron(III)_selenite` · `Iron(III)_sulfate` · `Iron(III)_sulfide` · `Iron-55` · `Iron-56` · `Iron-deficiency_anemia` · `Iron-oxidizing_bacteria` · `Iron_(disambiguation)` · `Iron_(metaphor)` · `Iron_Age` · `Iron_Cross` · `Iron_compounds` · `Iron_cycle` · `Iron_deficiency` · `Iron_disilicide` · `Iron_fertilization` · `Iron_germanide` · `Iron_in_biology` · `Iron_in_folklore` · `Iron_meteorite` · `Iron_monosilicide` · `Iron_nanoparticle` · [[Iron_ore]] · `Iron_overload` · `Iron_oxide` · `Iron_oxychloride` · `Iron_pentacarbonyl` · `Iron_phosphide` · `Iron_pillar_of_Delhi` · `Iron_powder` · `Iron_supplement` · `Iron_tetracarbonyl_dihydride` · `Iron_tetracarbonyl_diiodide` · `Iron_tetrafluoride` · `Ironworks` · `Iron–platinum_nanoparticle` · `Iron–sulfur_cluster` · `Iron–sulfur_protein` · `Isotope` · `Isotopes_of_iron` · `Japan` · `Jiangsu` · `Joseph_Hall_(metallurgist)` · `Journal_of_the_American_Chemical_Society` · `Journal_of_the_Chemical_Society` · `Kamacite` · `Kelvin` · `Ketone` · `Kiirunavaara` · `Kiln` · `Knölker_complex` · [[Krypton]] · [[Lanthanum]] · `Latent_iron_deficiency` · `Lattice_constant` · `Lawrence_Livermore_National_Laboratory` · [[Lawrencium]] · [[Lead]] · `Leaf_vegetable` · `Leopold_Gmelin` · `Lethal_dose` · `Levant` · `Ligand` · `Limestone` · `List_of_chemical_element_name_etymologies` · `List_of_copper_alloys` · `List_of_data_references_for_chemical_elements` · [[Lithium]] · `Liver` · `Liver_failure` · [[Livermorium]] · `Lodestone` · `Lower_mantle` · `Luhe_County` · [[Lutetium]] · `M-type_asteroid` · `Machine_tool` · `Machining` · [[Magnesium]] · `Magnesium_iron_hexahydride` · `Magnet` · `Magnetic_domain` · `Magnetic_field` · `Magnetic_storage` · `Magnetic_tape` · `Magnetism` · `Magnetite` · [[Manganese]] · `Margaret_Burbidge` · [[Mars]] · `Mars_surface_color` · `Martensite` · `Mary_Elvira_Weeks` · `Mass_attenuation_coefficient` · `Mass_spectrometry` · [[Meitnerium]] · `Melting_point` · [[Mendelevium]] · [[Mercury_(element)]] · `Mercury_(planet)` · `Mesabi_Range` · `Metabolic_acidosis` · `Metal` · `Metal_Stocks_in_Society_report` · `Metallicity` · `Metallurgical_furnace` · `Metamorphoses` · `Meteoric_iron` · `Meteorite` · `Methionine` · `Methylthioirontricarbonyl_dimer` · `Michael_Witzel` · `Mineral` · `Moiety_(chemistry)` · `Molar_heat_capacity` · `Molar_ionization_energies_of_the_elements` · [[Molybdenum]] · `Monocrystalline_whisker` · [[Moon]] · [[Moscovium]] · `Muscle` · `Mussel` · `Myoglobin` · `Mössbauer_spectroscopy` · `Narwhal` · `Natural_abundance` · `Nature_(journal)` · [[Neodymium]] · [[Neon]] · [[Neptunium]] · [[Nickel]] · `Nickel-62` · `Niels_Bohr` · [[Nihonium]] · [[Niobium]] · `Nitric_acid` · `Nitrobenzene` · [[Nitrogen]] · `Nitrogen_fixation` · `Nitrogenase` · [[Nobelium]] · [[Noble_gas]] · `Non-stoichiometric_compound` · `Norman_Greenwood` · [[Nuclear_fusion]] · `Nuclear_reaction` · [[Nucleosynthesis]] · `Nuclide` · `Ochre` · [[Oganesson]] · `Oregon` · `Organoiron_chemistry` · `Organometallic_chemistry` · [[Osmium]] · `Oxalate` · `Oxidation_state` · [[Oxygen]] · `Oyster` · `Paint` · `Painted_Hills` · [[Palladium]] · `Passivation_(chemistry)` · `Pearlite` · `Pearson_symbol` · `Pelletizing` · `Pentlandite` · `Pergamon_Press` · `Periclase` · `Period_(periodic_table)` · `Period_1_element` · `Period_2_element` · `Period_3_element` · `Period_4_element` · `Period_5_element` · `Period_6_element` · `Period_7_element` · `Periodic_table` · `Permanganate` · `Peroxide` · `Phase_(matter)` · `Phase_diagram` · `Phenol` · [[Phosphorus]] · `Phosphorus_trifluoride` · `Photodisintegration` · [[Photon]] · `Physics_and_Chemistry_of_Minerals` · `Phytoplankton` · `Picometre` · `Pig_iron` · `Pigment` · `Planetary_core` · `Planetary_differentiation` · `Planetary_science` · [[Platinum]] · `Pliny_the_Elder` · [[Plutonium]] · `Pnictogen` · `Poisson's_ratio` · [[Polonium]] · `Polymer` · `Polysulfide` · `Porphyrin` · [[Potassium]] · `Potassium_ferrate` · `Potassium_ferricyanide` · `Potassium_ferrioxalate` · `Potassium_ferrocyanide` · `Potassium_ferrooxalate` · `Poultry` · `Pourbaix_diagram` · [[Praseodymium]] · `Primordial_nuclide` · `Printed_circuit_board` · [[Promethium]] · [[Protactinium]] · `Protein` · `Proton_decay` · `Prussian_blue` · `Puddling_(metallurgy)` · `Pyrite` · `Pyrophoricity` · `Pyrrhotite` · `Quantum_tunnelling` · `R-process` · `RMI_(energy_organization)` · [[Radioactive_decay]] · [[Radium]] · [[Radon]] · `Reagent` · `Rebar` · `Red_blood_cell` · `Red_giant` · `Red_meat` · `Redox` · `Reference_Daily_Intake` · `Refractory` · [[Regolith]] · `Reviews_of_Modern_Physics` · [[Rhenium]] · [[Rhodium]] · `Rigveda` · `Ringwoodite` · `Road` · `Robert_Burns_Woodward` · [[Roentgenium]] · `Room_temperature` · `Roussillon,_Vaucluse` · `Royal_family` · [[Rubidium]] · `Rubredoxin` · `Russia` · `Rust` · [[Ruthenium]] · [[Rutherfordium]] · `Sakha_Republic` · `Salt_(chemistry)` · [[Samarium]] · `Sandwich_compound` · [[Scandium]] · [[Seaborgium]] · [[Selenium]] · `Sewage_treatment` · `Shale` · `Shear_modulus` · `Shock_(circulatory)` · `Siderite` · `Siderophore` · `Silicate_mineral` · `Silicate_perovskite` · [[Silicon]] · [[Silver]] · `Slag` · `Smelting` · [[Sodium]] · `Sodium_chloride` · `Sodium_ferrioxalate` · `Sodium_nitroprusside` · `Solar_System` · `Solid` · `Song_Yingxing` · `Song_dynasty` · `South_Korea` · `Specific_heat_capacity` · `Spectral_line` · `Spectrochemical_series` · `Speed_of_sound` · [[Spin_(physics)]] · `Spin_states_(d_electrons)` · `Sponge_iron_reaction` · `Stability_constants_of_complexes` · `Stainless_steel` · `Standard_atomic_weight` · `Standard_temperature_and_pressure` · `Steam_engine` · [[Steel]] · `Steelmaking` · `Stress_concentration` · [[Strontium]] · [[Sulfur]] · `Sulfur_dioxide` · `Supernova` · `Supernova_remnant` · `Synthetic_radioisotope` · `Taenite` · `Tang_dynasty` · [[Tantalum]] · [[Technetium]] · `Telluric_iron` · [[Tellurium]] · [[Tennessine]] · [[Terbium]] · `Terrestrial_planet` · `Tetraethylammonium_diiron_oxyhexachloride` · `Tetrakis(methylammonium)_hexachloroferrate(III)_chloride` · [[Thallium]] · `The_Iron_Bridge` · `The_New_York_Times` · `Thermal_decomposition` · `Thermite` · `Thiocyanate` · [[Thorium]] · [[Thulium]] · `Timeline_of_chemical_element_discoveries` · `Timeline_of_the_far_future` · [[Tin]] · [[Titanium]] · `Tofu` · `Tool` · `Toughness` · `Trace_radioisotope` · `Tracey_Rouault` · `Transfer_hydrogenation` · `Transferrin` · `Transition_metal` · `Transition_zone_(Earth)` · `Triiron_dodecacarbonyl` · `Tris(acetylacetonato)iron(III)` · [[Tungsten]] · `Tutankhamun` · `Type_Ia_supernova` · `Ukraine` · `United_States` · `Universe` · [[Uranium]] · `Van_der_Waals_radius` · [[Vanadium]] · `Vapor_pressure` · `Vedas` · `Vickers_hardness_test` · `WHO_Model_List_of_Essential_Medicines` · `Warring_States_period` · `Water` · `Water_of_crystallization` · `Watercress` · [[Wayback_Machine]] · `Weapon` · `Weathering` · `Wikisource` · `William_Alfred_Fowler` · `Wootz_steel` · `Works_and_Days` · `World_Health_Organization` · `Wrought_iron` · `Wüstite` · [[Xenon]] · `Young's_modulus` · [[Ytterbium]] · [[Yttrium]] · `Zimbabwe` · [[Zinc]] · [[Zirconium]] ## Gallery ![Electrolytic iron and a 1 cm3 cube (Wikimedia Commons)](https://upload.wikimedia.org/wikipedia/commons/thumb/a/ad/Iron_electrolytic_and_1cm3_cube.jpg/960px-Iron_electrolytic_and_1cm3_cube.jpg) *Electrolytic iron and a 1 cm3 cube (Wikimedia Commons) — [Details & license](https://commons.wikimedia.org/wiki/File:Iron_electrolytic_and_1cm3_cube.jpg).* !Archimedes-screw one-screw-threads with-ball 3D-view animated small.gif *The Archimedes screw - the classic cast-iron water machine (vault Gif Library)* > **Official MAIN - Chemical element, Z = 26.** Part of the Elements Canon (one canonical page per element). Infobox grounded in [Wikipedia: List of chemical elements](https://en.wikipedia.org/wiki/List_of_chemical_elements), fetched 2026-07-08. Full article: [Wikipedia: Iron](https://en.wikipedia.org/wiki/Iron). <!-- ELEMENTS_MICROSIM:BEGIN (auto-managed block - edits inside will be overwritten) --> ## Key facts (infobox) | | | |---|---| | Symbol - Z | Fe - 26 | | Group - Period - Block | 8 - 4 - d-block | | Atomic weight (Da) | 55.845 | | Density (g/cm3) | 7.874 | | Melting - Boiling (K) | 1811 - 3134 | | Electronegativity (Pauling) | 1.83 | | Crustal abundance (mg/kg) | 56300 | | Origin | primordial | | Phase (STP) | solid | | Name origin | Proto-Celtic *isarnom, 'iron' (root meaning 'blood'); symbol from Latin ferrum | *Bracketed weights are the mass number of the most stable isotope; values in parentheses are predictions (per the source table).* ## Story Iron has been used by human civilizations since before recorded history. Archaeological evidence shows that humans worked meteoritic iron (iron from fallen meteorites) as early as 3000 BCE, long before the Iron Age proper (roughly 1200 BCE), when smelting techniques made terrestrial ores accessible. Iron's name carries ancient roots in Proto-Celtic languages, where "isarnom" meant iron, with etymologies tracing back to concepts of blood and strength. The element defines entire historical epochs—the Iron Age—and became the backbone of industrial civilization after the development of affordable steel production in the 19th century. Iron is the most abundant element in Earth's crust (excluding the atmosphere) and the fourth most abundant overall, exceeded only by oxygen, silicon, and magnesium. It is ferromagnetic at room temperature, meaning it develops a permanent magnetic field when magnetized [model-prior - verify]. Iron ores vary widely; the most commercially important are hematite (Fe₂O₃) and magnetite (Fe₃O₄), though taconite—an iron-bearing sedimentary rock containing hematite dispersed in silica—became the dominant ore source in North America in the 20th century [model-prior - verify]. Steel (iron alloyed with carbon and other elements) is the most widely used metal in the world, essential to construction, transportation, machinery, and energy infrastructure [model-prior - verify]. In the corpus, iron is the elemental heart of Minnesota's industrial heritage. The Mesabi Range, the greatest iron-ore deposit ever discovered, was the foundation of Minnesota's economy for over a century. The shift from pure iron ore to taconite processing (pioneered at Mountain Iron in 1892) revolutionized the industry and created the modern mining economy. Iron links the canon's three domains: terrestrial mining history, space-mining economics, and the Technate's material infrastructure layer. ## Corpus connections - R.E.A.C.T.I.O.N. - the Chemistry hub - Centers of Excellence Portal - [[Technetium|Technetium - the element made before found]] - the canon's patron - and Technitium, the School - Space Mining in Minnesota - iron's role as the solar system's most productive ore and Minnesota as the Mesabi - History of Mining in Minnesota - the Mesabi Range, Mountain Iron 1892, taconite processing, and industrial transformation - Technate Expansion schema - iron as the foundational material of all technological infrastructure ## Vocational-Technical Semiotics The element speaks the canon's shared signs: the periodic table cell (Fe, group 8, period 4), isotope notation, and hazard pictograms ghs where handling demands it. ## Sources Infobox: [en.wikipedia.org/wiki/List_of_chemical_elements](https://en.wikipedia.org/wiki/List_of_chemical_elements) (fetched 2026-07-08); etymology per the same table's notes. Story sources to be added at enrichment. <!-- REAL-GENERATIVE-MEDIA:START --> ## From the Real GENERATIVE library > Iron is a chemical element; it has the symbol Fe (from Latin ferrum 'iron') and atomic number 26. It is a metal that belongs to the first transition series and group 8 of the periodic table. ([Wikipedia](https://en.wikipedia.org/wiki/Iron)) <!-- REAL-GENERATIVE-MEDIA:END --> ## Navigation - Canon: Elements Canon index - neighbors by Z: [[Manganese|Manganese (25)]] - [[Cobalt|Cobalt (27)]] - R.E.A.C.T.I.O.N. - Centers of Excellence ## Wikipedia : Wikitube **Strict pair:** [Wikipedia](https://en.wikipedia.org/wiki/Iron) : [Wikitube](https://en.wikitube.io/wiki/Iron) ## Previous hub tags Tree parents: [[Helium]] · [[Hydrogen]] · [[Oxygen]]. Legacy hubs: none. --- *Sources: 1 legacy note. Minted wave 1, 2026-07-30 (v1.6 order).*