The ingredients of silima were known only to Fëanor, though it was said to be made of the blended light of the Two Trees of Valinor. It suffused the crystalline structure of the jewels and gave them a radiance that shone even in the dark, yet gleamed more brightly when exposed to light.
- ↑ 1.0 1.1 Robert Foster, The Complete Guide to Middle-earth, p.356, entry "Silima"
- ↑ J.R.R. Tolkien, Christopher Tolkien (ed.), The Silmarillion, "Quenta Silmarillion: Of the Silmarils and the Unrest of the Noldor"
- ↑ J.R.R. Tolkien, Christopher Tolkien (ed.), The Silmarillion, "Appendix: Elements in Quenya and Sindarin Names", sil-