In J.R.R. Tolkien’s The Silmarillion, what are the three jewels called the Silmarils made from?

In J.R.R. Tolkien’s The Silmarillion, the three Silmarils contain the light of the Two Trees of Valinor.

The jewels were made by Fëanor, the greatest craftsman among the Noldor. He captured within them the blended light of Telperion and Laurelin, the Two Trees that illuminated Valinor before the Sun and Moon existed. Their radiance made the Silmarils uniquely precious, even to the Valar.

Morgoth coveted the jewels and eventually stole them after destroying the Two Trees with the giant spider Ungoliant. He carried them to Middle-earth and set them in his iron crown. Fëanor’s oath to recover them led to rebellion, exile, and centuries of violence among the Elves.

The Silmarils are not ordinary gemstones and are not made from starlight, dragon fire, or moonlight. Their defining property is the preserved light of the Two Trees, which remains pure even though the jewels become central to tragic conflicts.