/**
 * The Genesis Journal (Bible ch.11), the intellectual centre of the house.
 * Educational content outweighs promotion. Genesis-specific facts are limited
 * to the verified record; the gemology is standard, defensible knowledge.
 */

export type Block =
  | { t: "p"; x: string }
  | { t: "h2"; x: string }
  | { t: "pull"; x: string };

export type Article = {
  slug: string;
  title: string;
  deck: string;
  category: "Gemmology" | "Phenomena" | "Provenance" | "Collecting" | "The House";
  date: string;
  minutes: number;
  hero?: string;
  heroCaption?: string;
  body: Block[];
  relatedGems: string[];
  relatedArticles: string[];
};

export const journal: Article[] = [
  {
    slug: "reading-a-gubelin-report",
    title: "How to Read a Gübelin Report",
    deck: "A gemmological report is the closest thing a gemstone has to a biography. Here is how to read one, line by line, using the document behind the Star of Genesis.",
    category: "Gemmology",
    date: "2026-05-12",
    minutes: 7,
    hero: "/star/star-genesis.png",
    heroCaption: "The Star of Genesis, Gübelin Gemmological Report No. 24057232, 7 June 2024.",
    body: [
      { t: "p", x: "Every extraordinary gemstone arrives with a question: how do we know? The answer, for over a century, has been the independent laboratory, and among laboratories, the Gübelin Gem Lab of Lucerne holds a particular authority in coloured stones. Its reports are terse, precise documents. Knowing how to read one is a collector's first skill." },
      { t: "h2", x: "Identity before beauty" },
      { t: "p", x: "A report begins by establishing what the object is: species and variety. For the Star of Genesis, the finding reads natural corundum, colour change star sapphire. Each word is load bearing. Natural excludes synthetic material grown in laboratories. Corundum is the species; star sapphire the variety, announcing the phenomenon; colour change a second phenomenon, independently verified." },
      { t: "h2", x: "The measurements" },
      { t: "p", x: "Weight and dimensions anchor the stone's identity: 48.95 carats, 21.65 by 16.80 by 13.16 millimetres, cut as an oval cabochon. No two stones share these numbers together with the report's photographic record; the document and the object verify one another permanently." },
      { t: "h2", x: "Origin" },
      { t: "p", x: "Origin determination is the laboratory's quiet triumph. Trace element chemistry and the character of inclusions carry the fingerprint of the deposit where a crystal grew; decades of reference collections allow the laboratory to conclude, in this case, Burma (Myanmar), the classic source of fine star sapphire, and the origin collectors weight most heavily." },
      { t: "pull", x: "No indications of heating. Five words that can multiply a stone's rarity many times over." },
      { t: "h2", x: "Treatment" },
      { t: "p", x: "Most corundum on the market has been heated to improve colour. The report's finding for the Star of Genesis, no indications of heating, states that its colour and its star are entirely the work of geology. Untreated stones of scale and quality form a small fraction of a small fraction; this line, more than any other, separates categories of rarity." },
      { t: "h2", x: "The rating" },
      { t: "p", x: "Beyond the report itself, Gübelin issues a Gemstone Rating: a single figure out of one hundred synthesising quality and rarity. The Star of Genesis rates 93.7, Outstanding. A rating is not a price; it is something more durable, a scientific ranking that travels with the stone forever." },
      { t: "h2", x: "What a report is not" },
      { t: "p", x: "A gemmological report is not a valuation, not a guarantee of future worth, and never a substitute for the stone itself. It is the foundation on which everything else, connoisseurship, comparison, ultimately conviction, is built. Genesis presents its important stones with their full documentation, and encourages every collector to begin there." },
    ],
    relatedGems: ["star-sapphire", "blue-sapphire", "rare-collector-stones"],
    relatedArticles: ["understanding-asterism", "the-colour-change-phenomenon"],
  },
  {
    slug: "understanding-asterism",
    title: "The Six-Rayed Star: Understanding Asterism",
    deck: "Why a handful of sapphires carry a living star across their surface, the geology, the optics and the lapidary's irreversible decision.",
    category: "Phenomena",
    date: "2026-04-20",
    minutes: 6,
    hero: "/star/star-genesis.png",
    heroCaption: "Six rays, assembled from light scattered by needles of rutile finer than a human hair.",
    body: [
      { t: "p", x: "Hold a star sapphire under a single light and move it. The star wakes: six rays gathering on the dome, gliding as your hand turns, dissolving and reassembling. It behaves less like a marking than like an inhabitant. The ancients called star stones guardians; modern optics explains the phenomenon without diminishing it in the slightest." },
      { t: "h2", x: "Silk" },
      { t: "p", x: "As a corundum crystal cools over geological time, titanium that once sat comfortably within the lattice is expelled, crystallising as rutile, needles so fine they are measured in microns. Gemmologists call this material silk. In most sapphires silk is faint and incidental. In a few, it fills the stone in three perfectly ordered directions, set at sixty degrees to one another by the crystal's own symmetry." },
      { t: "h2", x: "Three bands, one star" },
      { t: "p", x: "Each family of parallel needles scatters light into a band running at right angles to its length. Three families produce three bands; three bands crossing at a point produce six rays. The star is therefore not on the stone but in it, a structure of light, rebuilt continuously from whatever illumination the room provides." },
      { t: "pull", x: "The star is not on the stone but in it, a structure of light, rebuilt continuously." },
      { t: "h2", x: "The cutter's one chance" },
      { t: "p", x: "Asterism only appears above a domed surface, which is why star stones are cut en cabochon. The cutter must orient the dome's axis precisely against the crystal's symmetry: a fraction of a degree of error and the star sits off centre forever. On rough of great value, it is among the least forgiving decisions in the lapidary arts." },
      { t: "h2", x: "Judging a star" },
      { t: "p", x: "Connoisseurs ask five things of a star: that it be sharp, complete, centred, mobile, and carried in a stone whose body colour would be admired even without it. Add a documented origin and an untreated state, and the stone enters the small company where the Star of Genesis, 48.95 carats, Burmese, unheated, resides." },
    ],
    relatedGems: ["star-sapphire", "blue-sapphire"],
    relatedArticles: ["reading-a-gubelin-report", "the-colour-change-phenomenon"],
  },
  {
    slug: "the-colour-change-phenomenon",
    title: "Blue by Day, Violet by Night: The Colour Change Phenomenon",
    deck: "A small class of gemstones refuses to hold a single colour. The science of why light rewrites them, and why collectors prize the trait so highly.",
    category: "Phenomena",
    date: "2026-03-18",
    minutes: 5,
    body: [
      { t: "p", x: "Most gemstones have a colour. A few have a repertoire. Seen in daylight, the Star of Genesis is a deep blue; carried into a room lit by warm incandescent light, it turns violet. Nothing about the stone has changed, only the light, and yet the transformation is complete and repeatable, as reliable as a law of physics, which is exactly what it is." },
      { t: "h2", x: "A stone balanced between colours" },
      { t: "p", x: "A colour change gem absorbs light in a way that leaves two windows open: one in the blue green region of the spectrum, one in the red violet. Daylight, rich in blue wavelengths, pours through the first window and the eye reads a cool stone. Incandescent light, rich in red, favours the second and the same stone answers warm. The stone is a kind of instrument, playing whatever the light supplies." },
      { t: "h2", x: "Why it is rare" },
      { t: "p", x: "The balance is delicate. The absorbing elements, chromium, vanadium, iron and titanium in various combinations, must be present in proportions that hold both windows open at once. Slightly too much of one and the stone commits to a single colour. In corundum the trait is uncommon; combined with asterism it is among the rarest pairings the species produces." },
      { t: "pull", x: "The stone is an instrument, playing whatever the light supplies." },
      { t: "h2", x: "How collectors judge it" },
      { t: "p", x: "Three questions decide the rank of a colour change stone: how complete the change is, how attractive each of the two colours is in its own right, and whether the effect survives ordinary rooms rather than laboratory lamps. The report language for the Star of Genesis, blue in daylight, violet in incandescent light, records a textbook example of the phenomenon, in a stone that also carries a star." },
    ],
    relatedGems: ["star-sapphire", "blue-sapphire", "rare-collector-stones"],
    relatedArticles: ["understanding-asterism", "reading-a-gubelin-report"],
  },
  {
    slug: "why-origin-matters",
    title: "Why Origin Matters: Burma, Kashmir, Ceylon",
    deck: "Two sapphires of identical colour can differ several times over in value. The difference is geography, and the reasons are better than snobbery.",
    category: "Provenance",
    date: "2026-02-10",
    minutes: 6,
    body: [
      { t: "p", x: "Ask why a Burmese ruby or a Kashmir sapphire commands its premium and the cynic answers: branding. The cynic is wrong. Origin, in coloured stones, encodes real information, about how a stone looks, how scarce its kind is, and how its rarity will behave over time." },
      { t: "h2", x: "Geology is style" },
      { t: "p", x: "Each deposit is a distinct recipe of chemistry, pressure and time, and the recipe leaves its signature in the stone. Kashmir sapphires carry a soft, velvety blue from microscopic scattering no other deposit reproduces. Mogok rubies fluoresce with an inner fire born of low iron chemistry. Ceylon stones hold a luminous vivacity prized for two millennia. These are not labels; they are visual dialects a trained eye can often recognise unaided." },
      { t: "h2", x: "Scarcity with a history" },
      { t: "p", x: "Origin also encodes supply. The Kashmir deposit produced significant material for roughly a decade in the nineteenth century and has been effectively silent since. Mogok has been worked for centuries and yields its finest stones grudgingly. When a deposit is finite and famous, its stones become a closed population, collectors are not merely buying beauty but membership in a fixed set." },
      { t: "pull", x: "Collectors are not merely buying beauty but membership in a fixed set." },
      { t: "h2", x: "How origin is established" },
      { t: "p", x: "No stone carries a passport, so the laboratory reconstructs one: trace element chemistry read against reference collections assembled over decades, inclusion scenes photographed and matched, spectra compared. An origin opinion from Gübelin or its peers is the product of one of the deepest reference archives in science." },
      { t: "h2", x: "The Genesis position" },
      { t: "p", x: "The house weights origin heavily, and documents it. Its flagship stone is Burmese by laboratory determination, a fact that, together with its untreated state, places the Star of Genesis within several closed populations at once." },
    ],
    relatedGems: ["blue-sapphire", "ruby", "emerald"],
    relatedArticles: ["reading-a-gubelin-report", "collecting-coloured-gemstones"],
  },
  {
    slug: "collecting-coloured-gemstones",
    title: "A Collector's Grammar of Coloured Gemstones",
    deck: "Diamonds are graded; coloured stones are judged. The vocabulary a new collector needs before the first serious acquisition.",
    category: "Collecting",
    date: "2026-01-15",
    minutes: 8,
    body: [
      { t: "p", x: "The diamond world hands its newcomers a tidy grammar, four Cs, laminated charts, comparison stones. The coloured stone world offers something older and less standardised: connoisseurship. The good news is that its principles can be learned, and they repay the learning for a lifetime." },
      { t: "h2", x: "Colour is sovereign" },
      { t: "p", x: "In coloured stones, colour typically carries the great majority of value. Learn to see it as three separate qualities: hue (the colour itself and its leanings), tone (lightness to darkness) and saturation (greyness to vividness). The finest stones sit in the medium tones at high saturation, vivid without blackening, open without washing out." },
      { t: "h2", x: "Clarity, in context" },
      { t: "p", x: "Coloured stones are not judged by the diamond's standard of emptiness. Each species has its own expectations: emerald is permitted its garden; spinel and tsavorite are expected clean; silk in a sapphire may be a virtue, softening colour, and, ordered finely enough, writing a star." },
      { t: "h2", x: "The treatment line" },
      { t: "p", x: "The single most consequential fact about a coloured stone is what has been done to it. Heating, filling, diffusion and impregnation are documented by laboratories in standard language. Between two stones of equal beauty, the untreated one may be worth several times the other, because it is rarer in a way no market cycle can change." },
      { t: "pull", x: "Rarity that no market cycle can change: that is what the treatment line records." },
      { t: "h2", x: "Origin, size and the cut" },
      { t: "p", x: "Origin adds its premium for reasons of style and closed supply. Size interacts with species: five carats is ordinary in amethyst, notable in tsavorite, historic in fine ruby. Cut, the least discussed factor, decides whether a stone's colour is displayed or merely stored." },
      { t: "h2", x: "Documents, then eyes, then time" },
      { t: "p", x: "The working method of every serious collector we have known: insist on laboratory documentation from recognised houses; train the eye patiently on stones above one's means; and buy less often, better. Gemstones reward decades, not quarters. A house like Genesis exists to place its documentation, its stones and its experience at the service of exactly that method." },
    ],
    relatedGems: ["ruby", "spinel", "tsavorite", "diamond"],
    relatedArticles: ["why-origin-matters", "reading-a-gubelin-report"],
  },
  {
    slug: "a-grammar-of-jadeite",
    title: "Icy, Lavender, Imperial: A Grammar of Jadeite",
    deck: "The East's supreme gemstone is judged by a vocabulary all its own. Colour, water, texture, and the one question that precedes them all.",
    category: "Gemmology",
    date: "2025-12-08",
    minutes: 6,
    body: [
      { t: "p", x: "Jadeite humbles collectors trained on faceted stones. It has no fire to measure, no facets to grade; its qualities are read the way one reads porcelain or calligraphy, by colour, substance and touch, against three thousand years of accumulated taste." },
      { t: "h2", x: "First, the question of type" },
      { t: "p", x: "Before beauty comes honesty. Type A jadeite is natural material, its colour untouched, finished only with traditional wax. Type B has been acid bleached and impregnated with polymer; Type C dyed. Serious collecting concerns Type A exclusively, and laboratory certification of type is the precondition of any significant purchase." },
      { t: "h2", x: "Colour" },
      { t: "p", x: "The summit is imperial green, vivid, even, sunlit emerald colour from chromium. Around it spread the apple and spinach greens, the blue greens, and two connoisseur categories of their own: lavender, coloured by manganese, at its best a soft violet with the texture of mist; and the reds and honeys the market calls, collectively, fei cui's warmer register." },
      { t: "h2", x: "Water" },
      { t: "p", x: "The trade's most beautiful term of art: a jadeite's translucency is its water. Fine material transmits light as if holding it; the recent rise of icy jadeite, nearly colourless, nearly transparent, shows the market learning to prize water almost above colour itself." },
      { t: "pull", x: "A jadeite's translucency is its water; the finest material holds light the way a river holds sky." },
      { t: "h2", x: "Texture and craft" },
      { t: "p", x: "Under the loupe, fine jadeite is a fabric of microscopic crystals; the tighter the weave, the finer the polish and the deeper the lustre. And because jadeite is carved, not faceted, the object's craft is inseparable from its value: a bangle's perfect circle, a plaque's carving, the wit of a pea pod rendered in green." },
      { t: "h2", x: "The Genesis workshop" },
      { t: "p", x: "Jadeite forms the largest single body of work in the Genesis archive: icy plaques and leaves, lavender peonies, pods of fortune, bangles of near transparency, and a necklace of nine vivid greens: each, in the house's practice, a conversation between stone and setting." },
    ],
    relatedGems: ["jadeite"],
    relatedArticles: ["collecting-coloured-gemstones"],
  },
  {
    slug: "the-genesis-story",
    title: "From Singapore to Hong Kong: The Genesis Story",
    deck: "A private collection becomes a house; a house crosses the South China Sea. The short history of Genesis Global, told plainly.",
    category: "The House",
    date: "2025-11-20",
    minutes: 5,
    body: [
      { t: "p", x: "Genesis began, as many good houses do, with a private obsession. Years before the company existed, its founder was quietly assembling a collection of precious gemstones, acquired patiently, held long, and studied with a lawyer's discipline. The collection outperformed every expectation set for it. The lesson was not lost." },
      { t: "h2", x: "Singapore, 2012" },
      { t: "p", x: "Genesis-Global Gems & Jewellery (Singapore) Pte Ltd was founded in 2012 by Kelvin Tan, who left a senior legal career of judiciary appointments, the Bar and head of legal roles across major institutions to build a house around the stones he collected. His brother Dennis Tan, whose career ran through The Ritz-Carlton and Asia's most demanding houses of service, joined to shape the client experience. The house styled itself an investment jeweller: a purveyor of exquisite gems whose beauty was matched by their seriousness as stores of value." },
      { t: "h2", x: "The Bangkok years" },
      { t: "p", x: "The house's showroom era in Bangkok placed it at one of the great crossroads of the coloured stone trade, the city through which much of the world's ruby and sapphire passes. There the house deepened the sourcing relationships with gem mining companies that remain its quiet advantage: rubies, sapphires, emeralds, jadeite and diamonds, acquired close to origin." },
      { t: "pull", x: "Exceptional stones are acquired close to origin, through relationships built over years; there is no other way." },
      { t: "h2", x: "The public record" },
      { t: "p", x: "Those years left a paper trail the house is proud of: features in Prestige, Millionaire Asia, Jewels & Time and their peers; television segments with Channel NewsAsia; exhibitions and private events whose photographs fill the Genesis archive. The Gems Equities plan of that era, a structured programme of acquisition and managed resale, its profits shared equally between house and client, reflected the founding conviction that great stones reward patience. Its specific terms always were, and remain, a matter of private agreement." },
      { t: "h2", x: "Hong Kong" },
      { t: "p", x: "Today the house operates as Genesis Global Gems & Jewellery (Hong Kong) Limited, headquartered in the city that has become the world's clearing house for exceptional Asian gemstones, the market where the great jadeites, sapphires and fancy colour diamonds change hands. From Hong Kong, Genesis serves private clients internationally, by appointment: the same discipline, the same relationships, the same conviction that began as one collector's private rule, buy rarely, buy documented, and keep what is irreplaceable." },
    ],
    relatedGems: ["star-sapphire", "jadeite"],
    relatedArticles: ["reading-a-gubelin-report", "collecting-coloured-gemstones"],
  },
];

export function getArticle(slug: string) {
  return journal.find((a) => a.slug === slug);
}