Är den enda ringen utseende som beskrivs i böckerna?

The One Ring är en vanlig, guldfärgad och oadminerad ring. Här är beskrivningen från Shadow of the Past :

Gandalf held it up. It looked to be made of pure and solid gold. 'Can you see any markings on it?' he asked.
'No,' said Frodo. 'There are none. It is quite plain, and it never shows a scratch or sign of wear.'

Och här beskrivs det igen, den här gången i Sarumans ord, från Council of Elrond :

"The Nine, the Seven, and the Three," he said, "had each their proper gem. Not so the One. It was round and unadorned, as it were one of the lesser rings; but its maker set marks upon it that the skilled, maybe, could still see and read."

Och här är Isildurs beskrivning av det, igen från Council of Elrond :

Yet even as I write it is cooled, and it seemeth to shrink, though it loseth neither its beauty nor its shape. Already the writing upon it, which at first was as clear as red flame, fadeth and is now only barely to be read. It is fashioned in an elven-script of Eregion, for they have no letters in Mordor for such subtle work; but the language is unknown to me. I deem it to be a tongue of the Black Land, since it is foul and uncouth.

Detta skrivande var självklart Ring Inskriptionen.

Från Ringets sammanslutning (bok), nämns i denna passage åtminstone färgen.

As for Bilbo Baggins, even while he was making his speech, he had been fingering the golden ring in his pocket: his magic ring that he had kept secret for so many years.

Liksom detta från proletan, som beskriver Gollum:

He possessed a secret treasure that had come to him long ages ago, when he still lived in the light: a ring of gold that made its wearer invisible.

Även från Wikipedia:

The words of the ring-inscription are in Black Speech, a language devised by Sauron and used in the land of Mordor. The inscription reflects the One Ring's power to control the other Rings of Power. The writing uses Elvish letters (tengwar), in a mode adapted to the Black Speech.

The Ring had the ability to change size. As well as adapting to fingers of varying size, from Sauron's to Frodo's, it sometimes suddenly expanded in order to give its wearer the slip

Storleken och formen är inte lika konkret som dess färg.

Normally the One Ring appeared perfectly plain and featureless, but when heated its inscription appeared in fiery letters. A drawing of the inscription and a translation provided by Gandalf appears in Book I, Chapter 2 of The Fellowship of the Ring, "The Shadow of the Past".

GandalftalarordenisvarttalibokII,kapitel2,"Elrondrådet":

"Ash nazg durbatulûk, ash nazg gimbatul,

Ash nazg thrakatulûk agh burzum-ishi krimpatul."

Översatt betyder orden:

One ring to rule them all, one ring to find them,

One ring to bring them all and in the darkness bind them.

Ringen var en perfekt cirkel av rent guld. De andra ringarna hade mängder inbäddade i dem, men One Ring var bara ett vanligt band - förutom vid uppvärmning uppenbarade de fina linjerna Tengwar-manuset Black Speech.

Storleken på ringen är lite tvivelaktig, det verkar kunna expandera och kontrakta för att passa bäraren - oavsett om de är Isildurs eller Smeagols storlek.

Silmarillion fokuserar mest på händelser i den första åldern, men det finns en kort sektion i slutet med tredje ålder och ringar av makt. Detta beskriver hur Sauron lurade Elverna av Eregion i att smida 19 Rings of Power, medan han smidda den ena ringen själv.