The dwarves appear primarily in Skáldskaparmál (the account of dwarf-crafted treasures), Völuspá (the dwarf catalog), Alvíssmál (the dwarf's conversation with Thor), and Gylfaginning. Svartálfaheimr as a distinct realm is primarily Snorri's systematization.
The Dwarves — Made from Maggots
The Norse dwarves were not what Tolkien made them or what popular fantasy inherited. They are, in origin, beings created from the maggots that formed in Ymir's flesh as the world was being shaped from his body. Snorri records this detail in Gylfaginning: "Then the gods ... remembered that maggots had formed in the flesh of Ymir and were rotting it. The gods gave these the form and intelligence of men, but they live in the earth and in rocks." They emerged from carrion and became the greatest craftsmen in the nine worlds. The origin matters — they come from death and transformation, not from divine creation. They are the world's recycled matter given creative intelligence.
The dwarf-catalog in Völuspá is one of the poem's stranger passages: a long list of dwarf names, many of which are Old Norse for mountains, rocks, and geological features. Fjalarr, Galarr, Dvalinn, Bifurr, Bömburr, Nóri, Ánn, Ánarr, Óinn, Mjöðvitnir. These are not random names — they are the names of the underground world's inhabitants in the same way that the gods' names encode their functions. The list exists in the poem for a reason scholars still debate.
The Treasures of the Gods
The dwarves made virtually everything the gods depend on. The catalogue of dwarf-crafted divine treasures in Skáldskaparmál is the most important record of what dwarven craft meant in Norse mythology:
- Gungnir — Odin's spear, crafted by the sons of Ívaldi. It never misses its mark. Odin throws it over the host at the beginning of the Æsir-Vanir War, the first battle in the world.
- Skiðblaðnir — Freyr's ship, also by the sons of Ívaldi. Can sail any sea in any wind, has favorable winds whenever its sail is raised, and can be folded like cloth when not in use — small enough to put in a pocket.
- Mjölnir — Thor's hammer, made by the dwarves Brokkr and Sindri on a wager with Loki. Loki (in fly form) bit Brokkr's bellows arm repeatedly during the forging, causing the handle to be shorter than intended. Despite this flaw, Mjölnir was judged the greatest of all the treasures — because with it, Thor could defend the world against the giants.
- Draupnir — Odin's gold arm-ring, by Brokkr and Sindri. Every ninth night, eight rings of equal weight drip from it. It is placed on Baldr's funeral pyre and returned by Hermóðr from Hel.
- Gleipnir — the ribbon binding that holds Fenrir. Not made of iron or stone but of the sound of a cat's footfall, the beard of a woman, the roots of a mountain, the sinews of a bear, the breath of a fish, and the spittle of a bird — things that do not exist, made by dwarves. It looks like a silk ribbon and cannot be broken.
The pattern is consistent: what the gods need most to hold the world in order — Odin's authority, Freyr's abundance, Thor's defense, the binding of the apocalyptic wolf — comes from underground craftsmen working with materials the gods cannot work themselves. Divine order depends on underworld labor.
Alvíssmál — The Dwarf Who Knew Everything
The poem Alvíssmál (Sayings of All-Wise) features a dwarf named Alvíss who has come to claim Thor's daughter as his bride, having been promised her by the gods while Thor was absent. Thor delays the marriage by engaging Alvíss in a verbal contest of wisdom: tell me what every world calls each thing — sky, earth, moon, sun, cloud, wind, fire, sea, wood, night, grain, ale.
Alvíss answers correctly and completely for every question, giving the name used by gods, men, giants, elves, dwarves, and the inhabitants of Hel for each thing in the cosmos. He is genuinely all-wise. He knows all the languages of the nine worlds. Thor keeps him talking until dawn — and sunlight turned dwarves to stone. Alvíss had all the knowledge and lost anyway. The poem is simultaneously a catalog of Norse cosmological language and a story about the limits of knowledge without wisdom.