# Yttrium ## 🧊 Yttrium · 3D (three.js) <iframe src="https://wikitube-elements.netlify.app/?el=Y&embed=1" width="100%" height="620" frameborder="0" style="border:0;border-radius:12px;overflow:hidden" allowfullscreen loading="lazy" title="The Elements 3D microsim - Yttrium"></iframe> *Yttrium 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=Y) <!-- ELEMENTS_MICROSIM:END --> !Yttrium plate.svg *Plate 39 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.* - Yttria-stabilized zirconia - high-temperature ceramics and refractories - [[Superconductivity|High-temperature superconductors]] - yttrium barium copper oxide and YBCO - Phosphor chemistry - yttrium in fluorescent displays and lamps ## Links (Wikipedia order) <!-- injected from _registry/childlinks/Yttrium.json (2026-07-30T02:09:12Z) --> `Aaldert_Wapstra` · [[Actinium]] · `Alkali_metal` · `Alkaline_earth_metal` · [[Aluminium]] · [[Americium]] · `Ammonium_chloride` · `Anders_Gustaf_Ekeberg` · `Anisotropy` · [[Antimony]] · `Antoine_Lavoisier` · `Applied_Physics_Letters` · [[Argon]] · [[Arsenic]] · [[Astatine]] · [[Atomic_mass]] · `Atomic_nucleus` · `Atomic_number` · `Atomic_radius` · [[Barium]] · `Bastnäsite` · [[Berkelium]] · [[Beryllium]] · [[Beta_decay]] · `Beta_particle` · `Biology` · [[Bismuth]] · `Block_(periodic_table)` · `Blue` · [[Bohrium]] · [[Boiling_point]] · [[Boron]] · `Boron_group` · `Breast_milk` · `Brinell_hardness_test` · `Bromide` · 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`Young's_modulus` · [[Ytterbium]] · `Ytterby` · `Yttrium(II)_oxide` · `Yttrium(III)_antimonide` · `Yttrium(III)_arsenide` · `Yttrium(III)_bromide` · `Yttrium(III)_chloride` · `Yttrium(III)_fluoride` · `Yttrium(III)_oxide` · `Yttrium(III)_sulfide` · `Yttrium-90` · `Yttrium_aluminium_garnet` · `Yttrium_barium_copper_oxide` · `Yttrium_borides` · `Yttrium_iodide` · `Yttrium_iron_garnet` · `Yttrium_lithium_fluoride` · `Yttrium_nitride` · `Yttrium_oxyfluoride` · `Yttrium_phosphide` · [[Zinc]] · [[Zirconium]] > **Official MAIN - Chemical element, Z = 39.** 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: Yttrium](https://en.wikipedia.org/wiki/Yttrium). <!-- ELEMENTS_MICROSIM:BEGIN (auto-managed block - edits inside will be overwritten) --> ## Key facts (infobox) | | | |---|---| | Symbol - Z | Y - 39 | | Group - Period - Block | 3 - 5 - d-block | | Atomic weight (Da) | 88.906 | | Density (g/cm3) | 4.472 | | Melting - Boiling (K) | 1799 - 3609 | | Electronegativity (Pauling) | 1.22 | | Crustal abundance (mg/kg) | 33 | | Origin | primordial | | Phase (STP) | solid | | Name origin | Ytterby, Sweden | *Bracketed weights are the mass number of the most stable isotope; values in parentheses are predictions (per the source table).* ## Story Yttrium was discovered in 1794 by Finnish chemist Johan Gadolin in the black mineral gadolinite found near the village of Ytterby in Sweden. Gadolin named the element (and the mineral) after the locality. The name proved enormously consequential: Ytterby became the namesake for four elements (Yttrium, Ytterbium, Terbium, and Erbium), all found in ore from that single Swedish mining site. Yttrium remained a laboratory curiosity for nearly 150 years; only in the latter half of the 20th century did industrial applications emerge, particularly in alloys, phosphors, and superconductors [model-prior - verify]. Yttrium is a silvery-white transition metal in group 3 (alongside scandium and lanthanum), with chemical properties distinct from both the d-block metals and the lanthanides [model-prior - verify]. It does not occur in pure form in nature; the primary ores are xenotime (yttrium phosphate) and gadolinite (yttrium beryllium silicate). Yttrium's highest-volume use is as a stabilizer in zirconium oxide ceramics, particularly yttria-stabilized zirconia (YSZ), which has a very high melting point and is used in refractories and thermal barrier coatings [model-prior - verify]. Yttrium compounds are also essential to phosphors in CRT displays and fluorescent lamps, and yttrium barium copper oxide (YBCO) was one of the first high-temperature superconductors discovered [model-prior - verify]. In the corpus, yttrium marks the beginning of the d-block metals in period 5 and the gateway to the lanthanides. Its diverse applications—from ceramics to superconductors—exemplify how the periodic table's elements support increasingly specialized technologies. ## 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 - yttrium's role in advanced ceramics and high-temperature superconductors ## Vocational-Technical Semiotics The element speaks the canon's shared signs: the periodic table cell (Y, group 3, 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: [[Strontium|Strontium (38)]] - [[Zirconium|Zirconium (40)]] - R.E.A.C.T.I.O.N. - Centers of Excellence ## Wikipedia : Wikitube **Strict pair:** [Wikipedia](https://en.wikipedia.org/wiki/Yttrium) : [Wikitube](https://en.wikitube.io/wiki/Yttrium) ## Previous hub tags Tree parents: [[Helium]] · [[Hydrogen]] · [[Oxygen]]. Legacy hubs: none. --- *Sources: 1 legacy note. Minted wave 1, 2026-07-30 (v1.6 order).*