# Zirconium
## ๐ง Zirconium ยท 3D (three.js)
<iframe src="https://wikitube-elements.netlify.app/?el=Zr&embed=1" width="100%" height="620" frameborder="0" style="border:0;border-radius:12px;overflow:hidden" allowfullscreen loading="lazy" title="The Elements 3D microsim - Zirconium"></iframe>
*Zirconium in the live three.js Elements explorer โ drag to orbit the atom, click any tile to compare, slide the temperature.* ยท [โถ open full](https://wikitube-elements.netlify.app/?el=Zr)
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!Zirconium plate.svg
*Plate 40 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.*
- Zircaloy alloy - nuclear reactor fuel cladding and development
- Zircon mineral - historical use and gemstone properties
- Nuclear reactor materials - zirconium's neutron properties and corrosion resistance
## Links (Wikipedia order)
<!-- injected from _registry/childlinks/Zirconium.json (2026-07-30T02:09:12Z) -->
`2011_Tลhoku_earthquake_and_tsunami` ยท `Abrasive` ยท `Abundance_of_elements_in_Earth's_crust` ยท [[Actinium]] ยท `Actuator` ยท `Alkali_metal` ยท `Alkaline_earth_metal` ยท `Alkoxide` ยท `Alkyne` ยท [[Alloy]] ยท [[Aluminium]] ยท [[Americium]] ยท `Ammonium_hexafluorozirconate` ยท `Anisotropy` ยท `Anode` ยท [[Antimony]] ยท `Anton_Eduard_van_Arkel` ยท `Apollo_program` ยท [[Argon]] ยท [[Arsenic]] ยท [[Astatine]] ยท `Atomic_number` ยท `Atomic_radius` ยท [[Barium]] ยท [[Berkelium]] ยท [[Beryllium]] ยท [[Beta_decay]] ยท [[Bismuth]] ยท `Block_(periodic_table)` ยท [[Bohrium]] ยท [[Boiling_point]] ยท [[Boron]] ยท `Boron_group` ยท `Brian_Wirth` ยท `Brinell_hardness_test` ยท [[Bromine]] ยท `Bulk_modulus` ยท `CAS_Registry_Number` ยท [[Cadmium]] ยท [[Caesium]] ยท [[Calcium]] ยท [[Californium]] ยท [[Carbon]] ยท `Carbon_group` ยท `Catalysis` ยท `Ceramic` ยท `Ceramic_knife` ยท [[Cerium]] ยท `Chalcogen` ยท [[Chemical_element]] ยท `Chemistry_World` ยท `Chloride` ยท [[Chlorine]] ยท [[Chromium]] ยท `Chronic_kidney_disease` ยท `Close-packing_of_equal_spheres` ยท [[Cobalt]] ยท `Combustibility_and_flammability` ยท `Combustion` ยท `Commission_on_Isotopic_Abundances_and_Atomic_Weights` ยท `Coordination_complex` ยท [[Copernicium]] ยท [[Copper]] ยท [[Corrosion]] ยท `Covalent_radius` ยท [[Crystal_structure]] ยท `Cubic_zirconia` ยท [[Curium]] ยท [[Darmstadtium]] ยท [[Decay_product]] ยท [[Density]] ยท `Dental_implant` ยท `Deodorant` ยท `Diamond` ยท `Double_beta_decay` ยท `Dream_Chaser` ยท [[Dubnium]] ยท `Ductility` ยท [[Dysprosium]] ยท [[Einsteinium]] ยท `Electric_arc_furnace` ยท `Electrical_resistivity_and_conductivity` ยท `Electrolysis` ยท `Electron_capture` ยท `Electron_configuration` ยท `Electronegativity` ยท `Enthalpy_of_fusion` ยท `Enthalpy_of_vaporization` ยท [[Erbium]] ยท `Etymonline` ยท `Eudialyte` ยท [[Europium]] ยท `Extractive_distillation` ยท [[Fermium]] ยท `Flash_(photography)` ยท [[Flerovium]] ยท [[Fluorine]] ยท `Food_and_Drug_Administration` ยท `Fractional_crystallization_(chemistry)` ยท [[Fractional_distillation]] ยท `Fracture_toughness` ยท [[Francium]] ยท [[Gadolinium]] ยท [[Gallium]] ยท `Geoffrey_Wilkinson` ยท [[Germanium]] ยท `Getter` ยท `Glycine` ยท [[Gold]] ยท `Group_(periodic_table)` ยท `Group_10_element` ยท `Group_11_element` ยท `Group_12_element` ยท `Group_3_element` ยท `Group_4_element` ยท `Group_5_element` ยท `Group_6_element` ยท `Group_7_element` ยท `Group_8_element` ยท `Group_9_element` ยท [[Hafnium]] ยท [[Half-life]] ยท `Halogen` ยท [[Hassium]] ยท [[Helium]] ยท `Hemoglobin` ยท `Hexafluorozirconic_acid` ยท [[Holmium]] ยท `Humphry_Davy` ยท `Hydrochloric_acid` ยท [[Hydrogen]] ยท `Hydrogen_peroxide` ยท `Hydroxide` ยท `Hyperkalemia` ยท `Ilmenite` ยท [[Indium]] ยท `Inorganic_chemistry` ยท [[Iodine]] ยท [[Ion]] ยท [[Ionization_energy]] ยท [[Iridium]] ยท [[Iron]] ยท `Isotopes_of_niobium` ยท `Isotopes_of_yttrium` ยท `Isotopes_of_zirconium` ยท `Jan_Hendrik_de_Boer` ยท `Jet_engine` ยท `Journal_of_Organometallic_Chemistry` ยท `Kelvin` ยท `Kerosene` ยท `Kidney_dialysis` ยท `Kroll_process` ยท [[Krypton]] ยท [[Lanthanum]] ยท `Lattice_constant` ยท [[Lawrencium]] ยท [[Lead]] ยท `Lead_zirconate_titanate` ยท `Liquidโliquid_extraction` ยท `List_of_chemical_element_name_etymologies` ยท `List_of_data_references_for_chemical_elements` ยท [[Lithium]] ยท `Lithium_hexafluorozirconate` ยท [[Livermorium]] ยท `Long-Qing_Chen` ยท `Long-lived_fission_product` ยท [[Lutetium]] ยท `MEMS` ยท [[Magnesium]] ยท `Magnetism` ยท [[Manganese]] ยท `Martin_Heinrich_Klaproth` ยท [[Meitnerium]] ยท `Melting_point` ยท [[Mendelevium]] ยท [[Mercury_(element)]] ยท `Mesh_(scale)` ยท `Metallocene` ยท `Methyl_isobutyl_ketone` ยท `Molar_heat_capacity` ยท [[Molybdenum]] ยท [[Moscovium]] ยท `NFPA_704` ยท `National_Institute_for_Occupational_Safety_and_Health` ยท `Native_metal` ยท `Natural_abundance` ยท [[Neodymium]] ยท [[Neon]] ยท [[Neptunium]] ยท [[Nickel]] ยท [[Nihonium]] ยท [[Niobium]] ยท [[Nitrogen]] ยท [[Nobelium]] ยท [[Noble_gas]] ยท `Norman_Greenwood` ยท [[Nuclear_fuel]] ยท `Nuclear_isomer` ยท `Nuclear_reactor` ยท `Occupational_Safety_and_Health_Administration` ยท [[Oganesson]] ยท `Opacifier` ยท `Organic_synthesis` ยท [[Osmium]] ยท `Ossicles` ยท `Oxidation_state` ยท [[Oxygen]] ยท [[Palladium]] ยท `Pearson_symbol` ยท `Period_(periodic_table)` ยท `Period_1_element` ยท `Period_2_element` ยท `Period_3_element` ยท `Period_4_element` ยท `Period_5_element` ยท `Period_6_element` ยท `Period_7_element` ยท `Periodic_table` ยท `Permissible_exposure_limit` ยท `Phase_(matter)` ยท [[Phosphorus]] ยท `Picometre` ยท `Piezoelectricity` ยท [[Platinum]] ยท [[Plutonium]] ยท `Pnictogen` ยท `Poisson's_ratio` ยท [[Polonium]] ยท `Polypropylene` ยท [[Potassium]] ยท `Potassium_hexafluorozirconate` ยท [[Praseodymium]] ยท `Primordial_nuclide` ยท [[Promethium]] ยท `Prosthesis` ยท [[Protactinium]] ยท [[Radioactive_decay]] ยท `Radionuclide` ยท [[Radium]] ยท [[Radon]] ยท `Recommended_exposure_limit` ยท `Red_blood_cell` ยท `Refractory` ยท `Research_reactor` ยท [[Rhenium]] ยท [[Rhodium]] ยท [[Roentgenium]] ยท `Royal_Society_of_Chemistry` ยท [[Rubidium]] ยท [[Ruthenium]] ยท [[Rutherfordium]] ยท `Rutile` ยท `S-type_star` ยท [[Samarium]] ยท `Sandpaper` ยท [[Scandium]] ยท [[Seaborgium]] ยท [[Selenium]] ยท `Shear_modulus` ยท `Silicate_mineral` ยท [[Silicon]] ยท [[Silver]] ยท `Sintering` ยท [[Sodium]] ยท `Sodium_zirconium_cyclosilicate` ยท `Solid` ยท `Spacecraft_propulsion` ยท `Spaceplane` ยท `Spark_(fire)` ยท `Specific_heat_capacity` ยท `Spectral_line` ยท `Speed_of_sound` ยท `Spinach` ยท `Sri_Lanka` ยท `Standard_atomic_weight` ยท `Standard_temperature_and_pressure` ยท `Stellar_classification` ยท [[Strontium]] ยท [[Sulfur]] ยท `Sulfuric_acid` ยท `Supercooling` ยท `Synthetic_radioisotope` ยท [[Tantalum]] ยท [[Technetium]] ยท [[Tellurium]] ยท [[Tennessine]] ยท [[Terbium]] ยท [[Thallium]] ยท `Thermal_decomposition` ยท `Thiocyanate` ยท [[Thorium]] ยท `Thrust` ยท [[Thulium]] ยท `Timeline_of_chemical_element_discoveries` ยท [[Tin]] ยท [[Titanium]] ยท `Tonne` ยท `Trace_radioisotope` ยท [[Transducer]] ยท `Transition_metal` ยท [[Tungsten]] ยท [[Uranium]] ยท `Urea` ยท `Vacuum_tube` ยท [[Vanadium]] ยท `Vapor_pressure` ยท `Vickers_hardness_test` ยท `Water_purification` ยท [[Xenon]] ยท `Young's_modulus` ยท [[Ytterbium]] ยท [[Yttrium]] ยท `ZieglerโNatta_catalyst` ยท [[Zinc]] ยท `Zircon` ยท `Zirconium(III)_chloride` ยท `Zirconium(IV)_acetate` ยท `Zirconium(IV)_chloride` ยท `Zirconium_alloys` ยท `Zirconium_carbide` ยท `Zirconium_diboride` ยท `Zirconium_dichloride` ยท `Zirconium_dioxide` ยท `Zirconium_hydride` ยท `Zirconium_nitride`
> **Official MAIN - Chemical element, Z = 40.** 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: Zirconium](https://en.wikipedia.org/wiki/Zirconium).
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## Key facts (infobox)
| | |
|---|---|
| Symbol - Z | Zr - 40 |
| Group - Period - Block | 4 - 5 - d-block |
| Atomic weight (Da) | 91.224 |
| Density (g/cm3) | 6.52 |
| Melting - Boiling (K) | 2128 - 4682 |
| Electronegativity (Pauling) | 1.33 |
| Crustal abundance (mg/kg) | 165 |
| Origin | primordial |
| Phase (STP) | solid |
| Name origin | zircon, from Persian zargun, 'gold-hued' |
*Bracketed weights are the mass number of the most stable isotope; values in parentheses are predictions (per the source table).*
## Story
Zirconium was first isolated in pure form in 1824 by Swedish chemist Jรถns Jacob Berzelius through reduction of potassium zirconium fluoride. The element takes its name from the mineral zircon (ZrSiOโ), which has been known and valued since antiquity; the Arabic word "zargun" (meaning gold-hued) was the source of the mineral's name, which gave rise to "zirconium." For over a century, zirconium remained a metallurgical curiosity. Its importance grew dramatically in the mid-20th century with the development of nuclear reactors, where zirconium's combination of low neutron absorption and high corrosion resistance made it ideal for reactor cladding [model-prior - verify].
Zirconium is a hard, silver-gray transition metal with an extremely high melting point (2128 K or about 1855ยฐC) and exceptional corrosion resistance [model-prior - verify]. It does not occur in pure form in nature; the primary ore is zircon (zirconium silicate). Zirconium's dominant industrial application is in nuclear reactor fuel cladding, where zirconium alloys (particularly Zircaloy) contain about 80 percent zirconium and are used to encapsulate uranium fuel pellets [model-prior - verify]. Other important uses include refractory ceramics, abrasives, and specialized alloys for high-temperature and corrosive-environment applications [model-prior - verify].
In the corpus, zirconium exemplifies how an element can transition from gemstone mineral (valued in zircon and diamond simulants) to critical infrastructure material at the atomic scale. Zirconium's essential role in nuclear energy connects it to both historical power generation and the future of the Technate's energy infrastructure.
## 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
- Technate Expansion schema - zirconium's critical role in nuclear energy and advanced reactors
## Vocational-Technical Semiotics
The element speaks the canon's shared signs: the periodic table cell (Zr, group 4, period 5), 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.
## Navigation
- Canon: Elements Canon index - neighbors by Z: [[Yttrium|Yttrium (39)]] - [[Niobium|Niobium (41)]]
- R.E.A.C.T.I.O.N. - Centers of Excellence
## Wikipedia : Wikitube
**Strict pair:** [Wikipedia](https://en.wikipedia.org/wiki/Zirconium) : [Wikitube](https://en.wikitube.io/wiki/Zirconium)
## Previous hub tags
Tree parents: [[Helium]] ยท [[Hydrogen]] ยท [[Oxygen]].
Legacy hubs: none.
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*Sources: 1 legacy note. Minted wave 1, 2026-07-30 (v1.6 order).*